XX iv First Report on Economic Zoology.- 



Aiachnida Acari produce mange and sores {Sarcoptcs, Psoraptes]' 



Sy^yibiotcs). 

 Hexapoda Biting &ies (Tabanus, Hssinatojyota) ; warble flies (Gosiro-- 



jyJnlus) (" bots ") ; forest flies [Hippohoscidx). 



Mollusca None. 



Fish Electric eel {Elect rophoiits clectricus) attacks- horses at 



water in Brazil. 



Amphibia None. 



Reptilia Many poisonous snakes, especially the pufE addfer, fer de 



lance and others, and crocodiles. 



Birds None. 



Mammalia A few large carnivora, as leopards ; vampire-bats'( Va/>npyru& 



spectrum). 



II. As germ carriers. 



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



flies carry disease. 



Survey op Section (8) 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 Cysticerciis cellulosse, cyst of human tapeworm (measles 



in pigs) ; no sexual tapeworm. Echiiwcoccus frequent 



in the liver. 



Nemertina None. 



Nematoda Ascaris suilla in intestines and others; Ecliinorhynchus 



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



bronchi ; Steplienurus dentatus. 



Chsetopoda None. 



Arachnida Itch mites (Sarcoptes sca6ei) transmittable to man, and 



De7nodex. 

 Diplopoda and Chilopoda None. 

 Hexapoda Stomoxys (biting or stinging fly) ; MallopJmga and 



Hxmatopinus (lice). 



Amphibia None. 



Reptilia Poisonous snakes rarely attack the pig. 



Birds None. 



Mammals Larger carnivora, 



II. As germ carriers. 

 Protozoa to Birds None known. 



Mammalia Rats carry trichinosi s ( Trichina spiralis) . 



Survey 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 Amphistomes cause sickness in Indian elephants; Trema^ 



todes in lungs of camel ; also Gysticercus tenuicollis in 



camels; Echinococcus in liver. 



Nemertina Nona. 



Nematoda Strongylus filaria in the bronchi of camels. 



Arachnida Pentastomes {Linguatula) in camel ; Ixodes cam^linus and 



Galeodes aratwides, a great camel pest, and Sarcoptidm, 

 Ohilopoda and Diplopoda None. 



