Acarina 
261 
loO. Stigmal plate of Dermacentor andersoni; (a) of male, (6) of female. After Stiles. 
(c) Dermacentor variabilis, male - ( d ) Glyciphagus obesus; ( e ) Otodectes 
cynotis; (/) Tyroglyphus lintneri; (g) Tarsonemus pallidus; (h) anal plate 
and mand’ble of Liponyssus; (c) to ( h ) after Banks. 
