Introduction. 
xxv 
Hexapoda CEstrus cameli , common in camels, and biting flies 
(Tab anus, C hr y sops). 
Roptilia None (?). 
Amphibia None (?). 
Birds None. 
Mammals None. 
II. As germ carriers. 
None known. 
Survey op Section (C) op Sub-group A. 
ANIMALS CAUSING BODILY INJURY AND DISEASE IN GUINEA PIGS. 
Protozoa Coccidia and Infusoria ( Monocercomonas cavise) live in the 
intestines. 
Porifera to Ecliinoderma. None. 
Platyhelmia Trematodes or flukes ( Distomum cavise). 
Nemertina None. 
Nematoda None (?). 
Arachnida Pentastomes (Linguatula) occur in the intestines. 
Hexapoda None known except fleas (Puliciclse). 
Reptilia Various poisonous snakes. 
Amphibia None. 
Birds Most rapacious birds. 
Mammals Most large carnivora. 
Survey op Section (77) of Sub-group A. 
ANIMALS CAUSING BODILY INJURY AND DISEASE TO DOGS AND CATS. 
I. By direct injury. 
Protozoa Protozoal forms in the blood cause malignant jaundice in 
dogs in Africa. Coccidium perforans in intestines of 
dog. 
Porifera to Echinoderma. None. 
Platyhelmia Numerous Cestodes infest dogs (Tsenia csenurus, T. mar- 
ginata, T. echinococcus). T. crassicollis in cats. 
Nemertina None. 
Nematoda Various species in both cat and dog (Ascaris mystax in 
cats; Filaria immitis in dogs). 
Arachnida Ticks ( Ixodidse ) ; Mange Insects ( Psoroptes , Symbiotes, and 
Dcmodccidse), and Pentastomes. 
Chilopoda and Diplopoda None. 
Hexapoda Fleas ( Pulicidse ) and lice ( Mallophaga ) on both dog and 
cat. 
Reptilia Poisonous snakes, and especially the alligator (Alligator 
Mississippicnsis) . 
Amphibia None. 
Birds None. 
Mammals Other large carnivora. 
II. As germ carriers. 
None. 
A Tick (Ixodes sp.) carries germs of malignant jaundice. 
Culicidx carry the embryos of Filaria immitis. Lice 
(Trichodcctes), the cysts of Taenia canina. 
None. 
Sheep, rabbits, hares and mice contain hydatids of some 
canine and cat tapeworms (Ccenurus cercbralis in 
sheep, Cysticercus pisciformis in hares and rabbits). 
Protozoa to Crustacea 
Arachnida 
Hexapoda 
Chilopoda to Birds ... 
Mammals 
