THE AGRICULTURAL Pf:STS OF INDIA. 



Helminths living in man are of three orders : 



09 



Those living in the alimentary canal are the Ancylos- 

 tomum, Ascaris, Botliriocephalus, Oxyurus, Tsenia, and 

 Tricocephalus. Out of the alimentary canal are found the 

 Distoma, Festucaria, Filaria, Spiroptera, Strongylus, and 

 Thecosoma. Cysticerci are helmintha larvse which are 

 furnished with a caudal vesicle. There are three prin- 

 cipal species. Cysticercus bovis is the measle of the ox ; 

 it is the larva of the cestoid worm Tienia mediocanallata, 

 a common form of tape-worm. It is in small segments, 

 and each ripe segment of the tape- worm contains ahout 

 40,000 eggs. Trenia solium is the tape- worm derived from 

 the pig ; it is an entozoon often causing severe ill-health. 

 There is another which Dr. Cobbold supposes belongs 

 to the sheep. They attain their position in man by 

 his eating uncooked or ill-cooked food. Flesh food pro- 

 perly cooked may be eaten with safety. The prevalence 

 of entozoa in military ration beef will be seen from the 

 following extract record from Peshawar : ' .Read Military 



