XX iv First Report on Economic Zoology. 



Arachnida Acari produce mange and sores (SarcojHes, Psoroptes, 



Symbiotes). 

 Hexapoda Biting Aies {Tabamis, Hmniatopota) ; warble flies (Gosiro- 



philiis) (" bots ") ; forest flies {Hippoboscidx). 



Mollusca None. 



Pish Electric eel (Eledropliorus electricus) attacks horses at 



water in Brazil. 



Amphibia None. 



Reptilia Many poisonous snakes, especially the puff adder, fer de 



lance and others, and crocodiles. 



Birds None. 



Mammalia A few large camivora, as leopards ; vampire-bats {Vampynis 



spectrum). 



II. As gei~m carriers. 



Hexapoda Tsetse flies (Glossina) and Nagana; possibly other biting 



flies carry disease. 



Survey of Section (5) op Sub-group A. 



ANIMALS CAUSING BODILY INJURY AND DISEASE IN PIGS. 



I. By direct injury. 



Protozoa Balantidium coli causes ill-health. 



Porifera to Echinoderma. None. 



Platyhelmia Cysticercus cellulosx, cyst of human tapeworm (measles 



in pigs) ; no sexual tapeworm. Ecliinococciis frequent 



in the liver. 



Nemertina None. 



Nematoda Ascaris sidlla in intestines and others; Echiiwrhynclnis 



gigas ; Trichina spiralis ; Strongylidse (S. paradoxtis) in 



bronchi ; SteplienurMS dentatus. 



Chsetopoda None. 



Arachnida Itch mites {Sarcoptes scatei) transmittable to man, and 



Denwdex. 

 Diplopoda and Chilopoda None. 

 Hexapoda Stmwxys (biting or stinging fly) ; Mallopliaga and 



Hmmatopimis (lice). 



Amphibia None, 



Reptilia Poisonous snakes rarely attack the pig. 



Birds None. 



Mammals Larger camivora. 



II. As germ carriers. 



Protozoa to Birds None known. 



Mammalia Rats carry trichinosis (Trichina spiralis). 



SuRVKY of Section (e) of Sub-group A. 



ANIMALS CAUSING BODILY INJURY AND DISEASE IN ELEPHANTS 



AND CAMELS. 



I. By direct injury. 



Protozoa None. 



Porifera and Echinoderma None. 



Platyhelmia Amphistonies cause sickness in Indian elephants ; Trema- 



todes in lungs of camel ; also Cysticerctis tenuicoilis in 



camels; Echinococcus in liver. 



Nemertina None. 



Nematoda Strongylus filaria in the bronchi of camels. 



Arachnida 'Penta.stotaes (Lingiiatula) in camel; Ixodes camelinus and 



Galeodes aranoides, a great camel pest, and Sarcoptidae. 

 Chilopoda and Diplopoda None. 



