169 



Lizard {Varanus sj).) — 



Aponomma exornatum. 



Lizard (Species unknown) — 



Amhlyomma marmoreum (larvie). 



Mamba {Deyidras-pis angusiiceps) — 

 Aponomma laeve capensis. 



Python {Python sebae). 



Aponomyna exornatum,. 

 Neumaniella transversale. 



Snakes (Species unknown) — ■ 



Aponomma laeve capenses. 

 Aponomma latum. 

 Amhlyomma marmoreum. 



Tortoise (Species unknown) — 

 Amhlyomma marmoreum. 



,, sylvaticum (C.C.) 



RELATION OF SOUTH AFRICAN TICKS TO DISEASE. 



Disease. 



Host. 



Organism Causing 

 Disease. 



Transmitted by. 



Redwater 



Texas Fever 



Bovine Piroplasmosis 



Cattle 



Piroplasyna higeminum 



Margaropus aymulatus 



decoloratus 

 M. anmdatus ausircdis. 



East Coast Fever 

 Rhodesian Redwater 



Cattle 



Piroplasma parvum 



Rhipicephalus appendiculatus 

 ,, capensis 

 „ evertsi 

 „ simus 

 nit ens 



Distemper 

 Malignant Jaundice 

 Biliary Fever of Dog 

 Canine Piroplasmosis 



Dog 



Piroplasma canis 



Haem,ap)hyscdis leaclii 



Biliary Fever 

 Equine Piroplasmosis 



Horse 



Mule 



Donkey 



Piroplasma equi 



Rhipiceplialus evertsi 



Heartwater 



Sheep 

 Goats 

 Cattle 



Unknown 



A mhlyomma hehraeum 



Spirillosis 



Cattle 



Spirochaeta theileri 



M. annulatus decoloratus 



Human Tick Fever 



Man 



Spirochaeta duttoni 



Ornithodoros savignyi caeciis 



