Cooley & Kohls: Argasidae of N. America, etc. 



33 



Sexual opening. — In line with the posterior ends of coxae I. 



Spiracle. — Ovate, with surface convex. 



Eyes. — Absent. 



Anus. — Small, nearly circular. 





J 



w j I, 



/>!■/ 



l 



Fig. II. Otobius lagophilus Cooley and Kohls. A, Hypostome of nymph. B, Hypos- 

 tome of adult. C, Leg I of adult. D, Leg IV of adult. E. Leg I of nymph. F. Leg IV 

 of nypmh. G, Spines from anterior portion of the nymph. H, Capitulum of nymph, 

 ventral view. I, Capitulum of adult, ventral view. 



