180 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



1915. Euhcematopinus abnormis Kellogg & Ferris, 

 Anopl. and Mall, of N. Am. Mam., pp. 47-48; 

 t. f. 16; pi. 3, f. 3; pi. 5, f. 4, 9. 



Genus Hcematopinoides Osborn. 



Osborn, Bui. 7, o. s., U. S. Dept. Agr., Div. Ent, p. 28 

 (1891); Bui. 5, n. s„ p. 187 (1896); Enderlein, Zool. Anz., 

 Vol. 28, pp. 136, 140 (1904) ; Dalla Torre, Gen. Ins., Anopl., p. 

 15 (1908); Kellogg & Ferris, Anopl. and Mall, of N. Am. 

 Mam., p. 46 (1915). 



Anterior and middle legs small, posterior legs much larger, 

 without stalked, disk-shaped appendages on femur and tibia. 

 Abdomen without chitinized tergal and sternal plates. Pleural 

 plates present. 



Type of the genus, Hcematopinoides squamosus Osborn. 



1 — Hcematopinoides squamosus Osborn. From Geomys bur- 

 sarius. (Iowa, U. S. A.). 



1891. Hcematopinoides squamosus Osborn, Bui. 7, 



o. s., U. S. Dept. Agr., Div. Ent., p. 28, f. 16. 

 1896. Hcematopinoides squamosus Osborn, Bui. 5, 



n. s., U. S. Dept. Agr., Div. Ent., pp. 187-188, 



f. 110. 

 1908. Hcematopinoides squamosus Dalla Torre, Gen. 



Ins., Anopl., p. 15. 

 1915. Hcematopinoides squamosus Kellogg & Ferris, 



Anopl. and Mall, of N. Am. Mam., pp. 46-47. 



Family Echinophthiriidce 



Echinophthiriidce Enderlein, Zool. Anz., Vol. 28, pp. 136, 

 137 (1904); Ibid., Vol. 29, p. 661 (1906); Deut. Siidpolar 

 Exp., Vol. 10, pp. 505-506 (1909); Dalla Torre, Gen. Ins., 

 Anopl., p. 17 (1908). 



Lepidophthiriidce (in part) Mjoberg, Ark. f. Zool., Vol. 6, 

 pt. 13, p. 177 (1910). 



Antennae" four- or five^segmented. Legs with a thumb-like 

 process opposing the claw, the anterior pair small with slen- 

 der claw, the other pairs extremely large with blunt, heavy 

 claws. Abdomen without pleural, tergal or sternal plates. 



