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



Antennae not differing in the sexes. Middle and posterior 

 legs subequal in size, large and with pointed claws. Anterior 

 legs small and slender with slender claw and, arising close be- 

 side it, a curved, claw-like process. Abdomen large and soft, 

 entirely without chitinized tergal and sternal plartes except in 

 the male, where these plates may be present as very narrow, 

 transverse areas. Each segment with a single transverse row of 

 spines. Pleurites present. Gonapods very short. Spiracles 

 small. Male resembling female except for smaller size. 



Recorded only from Octodontidae (Rodentia). 



Type of the genus, Scipio aulacodi (Neumann). 



1 — Scipio aulacodi (Neumann). Type from Thryonomys 

 szuindcrianus (Africa). Also from Thryonomys s^. {ZvXn- 

 land, South Africa). 



1911. Hcetnatopinus aulacodi Neumann, Arch, de 



Par., Vol. 14, pp. 403-406, f. 5-7. 

 1913. Scipio aulacodi Cummings, Bui. Ent. Res., Vol. 



3, p. 393. 

 1916. Scipio aulacodi Ferris, Ann. Durban Mus., Vol. 

 2 (in press). 

 2 — Scipio breviceps Ferris. From Thryonomys sp. (Zulu- 

 land, South Africa). 



1916. Scipio breviceps Ferris, Ann. Durban Mus., 

 Vol. 2 (in press). 



Linognathince of Uncertain Position 



1 — Hcematopinus (Polyplax) prcccisus Neumann. From 

 "gros Rats" (Abyssinia). 



1901. Hcematopinus prcecitus (typographical error for 

 praecisus) Neumann, Arch, de Par., Vol. 5, pp. 

 600-601. 



1902. Hcrnmtopinus prcccisus Neumann, Ibid., Vol. 6, 

 p. 144, fig. 



1908. Polyplax ? prcccisus Dalla Torre, Gen. Ins., 

 Anopl, p. 13. 



1909. Hcemafopinus (Polyplax) praecisus Neumann, 

 Arch, de Par., Vol." 13, pp. 523-524, f. 23. 



Note : This seems to include the male of one species and 

 the female of another; it is probable that they belong to differ- 

 ent genera. 



