425
— invasion by Trichinella spiralis, 424, 425
— of nematodes, 361
— sarcosporidia in, 191
Muscular system of Hirudinea, 480
Musgrave, on human intestinal amœbæ, 31
— and Clegg’s culture media for amœbæ, 743
Mussels, fresh-water, spirochætes of, 114
Mutualists, nature of, 6
Myiasis, 715
— auricular, 615
— — treatment, 615
— dermatosa œstrosa, 725
— due to Sarcophaga, 589, 590
— externa, 715
— — methods of treatment recommended by various authors, 719, 720
— — rare situations of, 723
— gastric, treatment, 728
— human, occurring in mountains of Central Sahara, 598
— in French West Africa, cause of, 614
— intestinal, 725, 726
— — chronic, 726
— — — complicated by mucous colitis, 726, 727
— — diagnosis, 728
— — irrigation of rectum in, 728
— — larvæ of different species of flies found in, 728
— — modes of infection, 727
— — — — views of various authors on, 727
— — prognosis, 728
— — prophylaxis, 728
— — symptoms, 726
— — treatment, 728
— — and cutaneous, fly causing, 585
— larvæ of African Muscidæ causing (footnote), 590
— nasal, 715
— — cases of, authors reporting, 716, 717
— — connection with ozæna, 717, 722, 723
— — discharge from nose in, 718
— — due to Sarcophaga, treatment, 723
— — fatal termination of, 718
— — from Sarcophaga wohlfahrti, 722, 723
— — maggots of flies setting up, 588
— — prophylaxis against, 718
— — symptoms, 717, 718
— — treatment, 719
— — see also Peenash
— œstrosa, geographical distribution, 724
— — prevalent among rural population, 724
— — rare in man, 724
— — treatment, 725
Myriapoda parasitic in intestine and nose of man, 483
Myxidiidæ, 184
Myxidium lieberkühni, 182
Myxobolidæ, 184
Myxobolus cyprini, 184
— pfeifferi, 184
— — cause of barbel disease, 184
— — spore formation, 183
— neurobius, 184
— schematic representation of spore of, 182
Myxœdematous form of Brazilian trypanosomiasis, 88
Myxosporidia, 129, 181
— authors adding to knowledge of, 182
— — describing species causing diseases in fishes, 182
— characters and habitat, 28, 182
— free forms of, 182
— introduction of term of, by Bütschli, 181
— invasion by, causing disease in fishes, 182, 184
— mode of infection, 184
— multinucleate trophozoite of, 182
— plasmotomy, 182
— spore formation, 182, 183
— tissue parasites, 182
Myzomyia, characters, 561, 567
— funesta, breeding places of, 557
Myzorhynchella, characters, 561, 568
Myzorhynchus, characters, 562, 568

N.
Nabarro, on sleeping sickness, 68
— on Spirochæta duttoni, 116
Nagana (tsetse-fly disease), agent of transmission, 93
— fatal to horses, asses and dogs, 94
— prevalent among and generally fatal to cattle, 93, 94
— treatment by arsenic, 94
— trypanosomes in blood of horses suffering from, 68
Nagel, chloroform and syrup of senna in expulsion of ancylostomes, 686
— filmaron in expulsion of ancylostomes, 687
Nagelschmidt, treatment of scabies, 706
Naphthalene in evacuation of Oxyuridæ, 697
— in intestinal myiasis, 728
Naphthol ointment, dressings of, in head louse infection, 710
— — (Kaposi’s), application in scabies, 707
Nasal cavity, deposition of ova of Oestrus ovis in, 598
— — see also Myiasis, nasal
— — Linguatula parasitic in, 523, 524, 526, 527
— polypus, Rhinosporidium causing, 195–197
Nason, Ascaris in appendix, causing intestinal obstruction, 654
Nasse, investigations of Coccidia, 135
Natal, larva of, characters, 591
Nattan-Larrier, cross-immunity experiments with trypanosomes, 80
— Tetramitus mesnili, 57, 624
Natural flagellates of insects, 103, 104, 107, 112, 739
Naunyn, mode of formation of daughter cysts of echinococcus, 352
Neave, S., ulcers set up by invasion by larvæ of Cordylobia anthropophaga, 592
Necator, 447
— americanus, 450
— — geographical distribution, 459
— — habitat, 459
— — morphology, 457, 458
— — organs compared with those of Ancylostoma duodenale, 458
— characters, 457
— exilidens, characters, 459
— — habitat, 459
Negri, experimental infection with Sarcocystis muris, 192
— on Neuroryctes, 208
Negri’s bodies, 208, 209
Neligan, Leishmania tropica in dogs, 108
Nemathelminthes, 360
Nematoda, see Nematodes
Nematode larvæ in blood in cases of pruritus, 378
— — in periosteum of upper jaw in case of gingivitis, 378
Nematodes, anatomy of, 360
— bursa copulatrix of males, 370
— chorion enveloping ova, 371
— classification of, 374
— clearing of, 473
— cutaneous glands, unicellular, 361
— cuticle of, 360
— cutis of, 361
— dermo-muscular layer of, 361
— development of, 17, 371
— embryos, 372
— encapsuled forms of, 17
— epithelium of, 360
— excretory canals, anterior, 367
— — organs, 366, 367
— — — special, lacking in certain genera, 367
— — pore and duct, 367
— — vesicle, 367
— fixation of, 473
— glandular stomach of, 363
— gubernaculum of male genital apparatus, 369
— hatched from eggs of Sphærularia, 5
— heterogony in, 372
— hind gut, 363
— infection by, 644
— intestinal cæca, 364
— — canal, 363
— “isolation tissue,” 362, 363, 364
— life spent in intermediate and final host, 18
— marine, ventral gland of (so-called), 367
— mounting head of, 473
— muscles of, 361
— nervous system, 364–366
— observed in human eye, 412
— — in man, 376
— œsophageal glands, 364
— œsophagus of, 363
— organs of sense lacking in parasitic species, 366
— ova of, 371
— — conveyance to definite host with intermediate host, 373
— — — — — without intermediate host, 372
— — detection, 473
— — developmental capacity, 371, 372
— ovejector, 368
— oviduct, 368
— parasitic and free-living, connection, 20
— preservation and examination of, 473
— rolling of, 473
— seminal receptacle, 368
— sexual organs, 367
— — — female, 367, 368
— — — — diagram of, 368
— — — male, 369
— — — — diagram of, 368
— small, detection of, 473
— spicules of male genital apparatus, 369
— staining of, 473
— testis of, 369
— “tuft-like” or “phagocytic” organs, 362
— viviparous species, 371
— young, skin diseases due to, in dogs, 378
Nematodirus, habitat, 438
— morphology, 438
Neocellia, characters, 562, 569
Neomyzomyia, characters, 561, 567
Neopsylla, distinctive characters, 545
Neosalvarsan in syphilis, 632
— in yaws, 632
Neosporidia, 129, 181
— characters, 28, 129, 181
Nephrophages sanguinarius, characters and morphology, 490
— — presence in urine, 490
Nervous system of Cestoda, 289, 290
— — of Echinorhynchus, 475
— — of Hirudinea, 481
— — of Insecta, 530
— — of nematodes, 364–366
— — central, effect of Dipylidium caninum on, 649
Neumann, mosquitoes transmitting Plasmodium relictum, 170
— podophyllin in expulsion of ancylostomes, 687
— synopsis of genus Ornithodorus, 508
— table of species of Argas, 505
Neuritis, optic, following male fern poisoning, 670
Neuroptera, characters, 531
Neuroryctes, 208
— hydrophobiæ, 208
— — minute granules in, 210
Neurosporidium, 195
— cephalodisci, 195
Newstead, Amblyomma cayennense, 501
— life-cycle of Phlebotomus, 582
— Margaropus annulatus australis, 505
— means of separating species of Glossina, 604
Niaibi, mite attacking man, 486
Nicoll, development of cestodes without intermediate host, 17
— and Minchin, cysticercoids in rat fleas, 327, 328
Nicolle, immunity experiments with Leishmania infantum and L. tropica, 112
— and others, transmission of relapsing fever by lice, 120, 121
Nicollia, 174
— quadrigemina, 174
Nicotiana soap, application in scabies, 707
Nits, methods of getting rid of, from hair, 710
Nitzsch, views as to cercariæ, 12
Noc, cultivation of species of amœba by, 41
— on Lamblia intestinalis, 60, 625
Noguchi, cultivation of parasite of rabies, 210
— — — of Treponema from human mouth, 128, 741
— — of Treponema pallidum, 125
— method of cultivation of spirochætes, 123
— Spirochæta phagedenis, 122
— Treponema calligyrum, 126
— and Cohen, cultivation of so-called trachoma bodies, 210
— and Moore, association of Treponema with general paralysis, 125
Nöller, development of Trypanosoma lewisi in dog flea (Ctenocephalus canis), 90, 92
— method of controlling fleas during experiments, 93
Nordmann, von, discovery of miracidia of flukes, 12
Normand, association of amœbæ with colitis, 30
— — of Strongyloides stercoralis with diarrhœa, 380
Norway itch (scabies norvegica), 520
Nose, ascarides in, 690
— dipterous larvæ in, in enormous numbers, 716, 717
— discharge from, in nasal myiasis, 718
— human, Myriapoda parasitic in, 483
— larvæ of Hypoderma bovis in, 724
— — of Lucilia macellaria in, 715, 716
— — — — see also Myiasis, nasal
— — of Oxyuris vermicularis in, 469
— leeches in, 700, 701
— — causing epistaxis, 701
— maggots in, 588
— Oxyuridæ migrating into, 695, 696
Nosema apis, 184
— — life-cycle of, 185
— — pansporoblast and sporoblast of, 185
— — planont of, 185
— bombycis, 184
— — spores of, 186
Notoedres cati, 521
— cuniculi, 521
— notoedres, 521
Novy and MacNeal, artificial cultivation of trypanosomes, 69
Novy-MacNeal medium, 744
— — Mathis’s modification, 744
Novy-MacNeal-Nicolle medium, best for cultivation of Leishmania infantum, 109
— — for cultivation of Leishmania tropica, 108
— — formula, 744
Nut-pickers affected by Leptus autumnalis (footnote), 485
Nuttall, Spirochæta marchouxi, 119
— Piroplasmidæ, 174
Nuttall and Hadwen, trypan-blue in treatment of piroplasmosis, 178
— and others, nuclear phenomena of Babesia canis, 176
— — Theileria parva, 179
Nuttallia, characters, 174
— equi, cause of equine piroplasmosis, 174, 178
— — life-cycle in red blood corpuscles, 173
— herpestidis, 174
Nycteribiidæ, 611
Nyctotherus, 204
Nyctotherus africanus, 206
— faba, 205
— — morphology, 205
— giganteus, 205, 206
— — morphology, 205
Nyssorhynchus, characters, 562, 569

O.
Occiput, abscess of, liver-fluke in, 243
Ochindundu, bite of, 541
— characters of, 541
Ochromyia anthropophaga, larvæ of, characters (footnote), 590, 591
— — — hosts of, 590
Œdema following bite of Argas reflexus, 506
Oerley, induction of facultative parasitism of Rhabditis pellio, 377
Œsophageal glands of nematodes, 364
Œsophagostomeæ, characters, 439
Œsophagostomum, morphology, 441
— apiostomum, habitat and host of, 444
— — morphology, 444
— brumpti, habitat, 441
— — morphology, 441
— stephanostomum, habitat, 444
— — var. thomasi, morphology, 442, 443, 444
Œsophagus of Hirudinea, 480
— — nematodes, 363
— trichomonads in, 55
Oestridæ (warble flies), boils produced by, 725
— cavicolous, 598
— cutaneous, 595
— flight time of, 725
— gastricolous, 599
— — infection by, 729
— — — see also Creeping disease
— hosts of, 594
— larvæ of, occurrence in man rare, 724
— method of depositing ova on skin of man, 725
Oestrus (Cephalomyia) ovis, 598
— — — geographical distribution, 598
— — — ova of, deposition in nasal cavity, 598
Oil, injections of, in nasal myiasis, 719
Ointment, application in scabies, 706
Oken, views as to origin of cercariæ, 12
Oleum chenopodii in ancylostomiasis, 754
Oligosporulea, 195
Oligotricha, 29
Oliver, artificial infection of human beings with Cysticercus bovis, 340
Omentum, abscess of, with Ascaris ova in pus, 657
Omi, diagnostic sign of presence of Sparganum mansoni in body, 659
Onchocerca, 417
— volvulus, 417
— — distribution in West Africa, 419
— — invading lymphatic vessels, 418, 419
— — invasion in man associated with formation of tumours, 418
— — measurements, 755
— — morphology, 417, 418
Onchocercinæ, 417
Oncospheres (embryos) of tapeworms, 298, 299
— — — certain species of animals necessary for, 299
— — — development into plerocercoid, 300
— — — further development must take place in suitable animals, 299
— migration in body, 302
O’Neil, filaria infection of skin, 378
Onions, Anguillulina putrefaciens living in, 379
Oöcysts of Coccidiidea, 141
— of malarial parasites, 163
Opalina, 198, 207
— ranarum, 207
Ophryocystis, 135
Opisthorchiidæ, morphology, 232
Opisthorchiinæ, 252
Opisthorchis, 252
— felineus, development, 254
— — geographical distribution, 252
— — hosts of, 252
— — — intermediate, 254
— — mode of infection by, 254
— — morphology, 252
— — synonyms, 252
— pseudofelineus, anatomy of, diagram illustrating, 254
— sp., habitat, 753
— — morphology, 753
Opisthotonos, disappearance after expulsion of Ascaridæ, 649
Oppenheim, maculæ cærulæ (taches bleues) due to infection by crab louse, 712
— treatment of crab louse infection, 712
Oppilaçao, synonym of Brazilian trypanosomiasis, 87
Oral cavity, cancer of, association of Entamœba buccalis with, 43
— — trichomonads in, 55, 56
Orbit, cysticercus of, 664
Orbital cavity, Pycnosoma maggots invading, 588
Orchitis from Filaria bancrofti infection, 677
Oribates sp., 489
Oriental sore, cause of, 107, 627
— — experimental production, 109
— — geographical distribution, 108
— — germ of, possible carrier, 580
— — immunity to, procured by inoculation, 108
— — objection to name, 107
— — occurrence in dogs, 108
— — parasite producing, 107, 627
— — pathology of, 627
— — preventive measures, 628
— — relation of infantile kala-azar to, shown experimentally, 109
— — sites of occurrence on body, 108
— — transmission of, bugs possibly connected with, 108, 536
— — treatment, 628
Ornithodorus coriaceus, geographical distribution, 509
— mégnini, characters, 510
— — ears of hosts infested by, 510
— — geographical distribution, 510
— — hosts of, 510
— moubata, carrier of African tick fever,