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American Midland Naturalist Monograph No. 1 



Eyes. — Absent. 



Anus. — In an elliptical pattern. 



MALE 



The male differs from the female as follows: The male lacks the cheeks 

 and has the hypostome wider and the denticles smaller with the two principal 

 files separated by two shorter files of smaller denticles on each side of the 

 median line. 



E 



Fig. 41. Ornithodoros slageri Cooley and Kohls. A, Male hypostome. B, Female 

 hypostome. C, Leg I of male. D, Leg IV of male. E, Capitulum of larva, ventral view. 

 F, Larva, dorsal view. 



