Acarina 



261 



Stigjnaljlate of Dennacentor andersoni ; (o) of male, (6) of female. After Stiles. 

 (c) Dennacentor variabilis, male- (d) Glyciphagus obesus; (e) Otodeotes 

 cynotis; (/) Tyroglyphus lintneri; (g) Tarsonemus pallidus; (h) anal plate 

 and mand'ble of Liponyssus; (c) to {h) after Banks. 



