1. texanus 



215 



rather sharply prominent ventrally. Hypostome thick and strong, with 

 2 | 2 files of strong teeth along its whole length. Venter : vulva between 

 coxae III ; anal grooves rounded in front and very slightly diverging. 

 Spiracles small, sub-circular or short oval. Legs : coxae almost unarmed, 

 except that coxa I is slightly prominent at its internal angle, and there 

 is a faint indication of an external spur on all the coxae. Their 

 posterior borders are trenchant. Tarsi rather short and humped, 



Fig. 210. 7. texanus ? : eapitulum aud scutum, part of venter, spiracle, anal groove and 

 tarsus 4. Found on coon, Mt Lehman, British Columbia, i. 1910, by S. Hadwen. 

 (N. 992. Original, G. H. F. N. del. 1 ) 



Fig. 211. I. texanus ? : eapitulum and scutum, eapitulum in ventral aspect, coxae, 

 anal groove, spiracle and tarsus 4. Drawn from specimen found on grey squirrel, 

 King's river, California, vm. 1896. (N. 270. Received from V. L. Kellogg and identified 

 by N. Banks. Original, F. M. Howlett del. 1 ) 



1 The differences shown in these figures are partly due to individual variations in the 

 specimens and partly to the position (this applies more particularly to the palps) in which 

 they were drawn. 



