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



1915. EiihcEmatopimis 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 HcBmatopinoides 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, HcBmatopinoides squamosus Osborn. 



1 — HcBinatopiiioides squamosus Osborn. From Geomys hiir- 

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



1891. Hcumatopinoides squamosus Osborn, Bui. 7, 



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

 1896. HcBmatopinoides squamosus Osborn, Bui. 5, 



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



f. 110. 

 1908. H cumatopinoides squamosus Dalla Torre, Gen. 



Ins., Anopl., p. 15. 

 1915. HcBmatopinoides squamosus Kellogg & Ferris, 



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



Family Echinophthiriidce 



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

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

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

 Anopl., p. 17 (1908). 



LepidophthiriidcB (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. 



