A veterinary medical volume surveys infectious diseases in domestic animals, distinguishing pyæmia and septicæmia and explaining their microbial causes, thrombosis, embolism, metastatic abscesses, and organ lesions. It presents clinical signs, laboratory findings, prognosis, and principles of surgical and medical management, including antisepsis, drainage, excision, and supportive therapy. Individual infections such as strangles, omphalitis, chicken cholera, septicæmia hæmorrhagica, and ulcerative erysipelatoid limb infections in cattle and sheep are described with attention to causes, lesion patterns, prevention measures, and factors of susceptibility and partial immunity.