Introduction. xxv 



Hexapoda CEstrus cameli, common in camels, and biting flies 



(Tabanus, Chrysops). 



Reptilia None (?). 



Amphibia None (?). 



Birds None. 



Mammals None. 



II. As germ carriers. 

 None known. 



Survey of Section (Q op Sub-gboup A. 



AlflMALS CAUSING BODILY INJURY AND DISEASE IN GUINEA PIGS. 



Protozoa Coccidiaand Infusoria {Monocercomonas cavias) live in the 



intestines. 

 Porifera to Echinoderma. None. 



Platyhelmia Trematodes or flukes (Distomum cavise). 



Nemertina None. 



Nematoda None (?). 



Arachnida Pentastomes (Linguatala) occur in the intestines. 



Hexapoda None kno\vii except fleas (Pulicidas). 



Reptilia Various poisonous snakes. 



Amphibia None. 



Birds Most rapacious birds. 



Mammals Most large carnivora. 



Survey op Section (tj) op 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 pcrforans in intestines [of 



dog. 

 Porifera to Echinoderma. None. 

 Platyhelmia Numerous Cestodes infest dogs (Tasnia cxmirus, T. mar- 



ginata, T. echinococcus). T. crassicollis in cats. 



Nemertina None. 



Nematoda Various species in both cat and dog (Ascaris mystax in 



cats; Filaria inimitis in dogs). 

 Arachnida Ticks (Ixodidm) ; Mange Insects (Psoroptes, Symbiotes, and 



Dcmodecidx), and Pentastomes. 

 Chilopoda and Diplopoda None. 

 Hexapoda Fleas (Pulicidas) and lice {Mallophaga) on hoih dog a,ndi 



oat. 

 Reptilia Poisonous snakes, and especially the alligator {AlUgator 



Mississippiensis) . 



Amphibia None. 



Birds None. 



Mammals Other large carnivora. 



II. As germ carriers. 



Protozoa to Crustacea None. 



Arachnida A Tick {Ixodes sp.) carries germs of malignant jaundice. 



Hexapoda Culicidas carry the embryos of Filaria immitis. Lice 



(Trichodectes) , the cysts of Tasnia cdnina. 



Chilopoda to Birds None. 



Mammals Sheep, rabbits, hares and mice contain hydatids of sorne 



canine and cat tapeworms {Ca!nurus cerebralis in 

 sheep, Cysticercus piscifo7-mis in hares and rabbits). 



