| FIG. |
|
PAGE |
|
Ptychoptera paludosa. Limnobia replicata |
Frontispiece |
| 1. |
Hand Magnifier and Stand |
14 |
| 2. |
Zeiss’s Dissecting Microscope |
16 |
| 3. |
Leitz’s Dissecting Microscope |
17 |
| 4. |
Two Leitz Lenses in holder (open) |
18 |
| 5. |
Two Leitz Lenses in holder (closed) |
18 |
| 6. |
Home-made Dissecting Microscope |
19 |
| 7. |
Beakers |
21 |
| 8. |
Glass Capsule |
21 |
| 9. |
Glass Block, with cover |
22 |
| 10. |
Glass Box, with cover |
22 |
| 11. |
Forceps |
23 |
| 12. |
Three forms of Dipping-tube. Method of using it |
24 |
| 13. |
Mounted Needles |
25 |
| 14. |
Cape Peripatus (natural size) |
30 |
| 15. |
Margined Water Beetle (male) |
32 |
| 16. |
Shells of Molluscs broken up by Dytiscus |
33 |
| 17. |
Outline of Dytiscus |
38 |
| 18. |
Male Dytiscus in flight |
39 |
| 19. |
To show fold of (right) wing of Dytiscus |
40 |
| 20. |
To show fold of (right) wing of Dytiscus |
40 |
| 21 and 21 A. |
Head of Dytiscus |
42 |
| 22. |
Disposition of mouth parts |
43 |
| 23. |
Leg of Cockroach |
44 |
| 24. |
Tarsus of Dytiscus (magnified) |
45 |
| 25. |
Female Dytiscus swimming |
46 |
| 26. |
Upper surface of abdomen of typical Beetle |
47 |
| 27. |
Spiracle of Dytiscus (magnified) |
48 |
| 28. |
Tracheal tubes of Dytiscus (magnified) |
48 |
| 29. |
Great Water Beetle |
51 |
| 30. |
Female Hydrophilus constructing a cocoon. (After Lyonnet) |
55 |
| 31. |
Cocktail Beetle |
58 |
| 32. |
Cockroaches |
66 |
| 33. |
Mouth parts of a Cockroach |
69 |
| 34. |
Cockroach, showing Spiracles |
71 |
| 35. |
Alimentary Canal of Cockroach |
73 |
| 36. |
American Cockroach (male) |
75 |
| 37. |
Larva and Pupa of Earwig |
77 |
| 38. |
Earwig (male) |
78 |
| 39. |
Great Green Grasshopper (female) |
81 |
| 40. |
Tibial ear of Great Green Grasshopper |
85 |
| 41. |
Land Bug (magnified) |
86 |
| 42. |
Water Scorpion |
87 |
| 43. |
Organs of Water Scorpion, Egg, and Parasitic Mite. (After Swammerdam) |
90 |
| 44. |
Raptorial leg of Water Scorpion |
92 |
| 45. |
Water Boatman |
93 |
| 46. |
Water Boatman swimming |
94 |
| 47. |
Corixa, with wings expanded |
95 |
| 48. |
Scheme of under surface of Wolf Spider (female). Pedipalp of male (enlarged) |
98 |
| 49. |
Garden Spider and Web |
99 |
| 50. |
Threads of Spider’s Web |
100 |
| 51. |
Anchorage of Web |
101 |
| 52. |
Foot of Garden Spider |
104 |
| 53. |
Spinnerets of Garden Spider |
104 |
| 54. |
Jumping Spider |
106 |
| 55. |
Falces of Male Jumping Spider |
106 |
| 56. |
Foot of Jumping Spider. Scopula much enlarged |
108 |
| 57. |
Diving Spiders |
109 |
| 58. |
Cell of Diving Spider |
112 |
| 59. |
Red Water Mite |
114 |
| 60. |
Larva of Water Mite |
117 |
| 61. |
Nymph of Water Mite |
117 |
| 62. |
Beetle Mite |
119 |
| 63. |
Lithobius forficatus. Mouth parts seen from below. (After Graber) |
124 |
| 64. |
The Common Millepede |
126 |
| 65. |
Segments of Millepede (magnified) |
127 |
| 66. |
Prawn |
132 |
| 67. |
First walking leg of Shrimp (enlarged) |
134 |
| 68. |
Mysis, or the Opossum Shrimp |
135 |
| 69. |
Maxillipedes and Maxilla of Shore Crab. (After Savigny) |
138 |
| 70. |
Stomach of Crab laid open |
139 |
| 71. |
Gammarus. (After Sars) |
142 |
| 72. |
Maxillipedes of Gammarus marinus (magnified) |
146 |
| 73. |
Nest-building Amphipod (from life) |
148 |
| 74. |
Water Woodlouse |
153 |
| 75. |
Mouth-lock. (After Burgess) |
161 |
| 76. |
Dytiscus Larvae |
162 |
| 77. |
Pupa of Dytiscus |
164 |
| 78. |
Larva of Limnobia replicata |
167 |
| 79. |
Forked spine of Limnobia (enlarged) |
168 |
| 80. |
Pupa case of Limnobia |
169 |
| 81. |
Fore wing of Bee, showing marginal fold (×7) |
170 |
| 82. |
Larva of Paraponyx stratiotata (enlarged) |
173 |
| 83. |
Diagram of segment of Paraponyx, showing arrangement of tracheal gills |
175 |
| 84. |
Gill of Paraponyx larva. (After De Geer) |
176 |
| 85. |
Larva of Sialis (enlarged) |
179 |
| 86. |
Diagram of Sialis larva, showing arrangement of gills |
181 |
| 87. |
Pupa of Sialis |
181 |
| 88. |
Larvae of Ptychoptera paludosa (from life) |
184 |
| 89. |
Ptychoptera Larva (enlarged). Tail. (After Lyonnet) |
186 |
| 90. |
Pupa of Ptychoptera. (After Lyonnet) |
187 |