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



Linognathus Enderlein, Ibid., Vol. 29, p. 194 (1905); 

 Dalla Torre, Gen. Ins., Anopl., p. 12 (1908) ; Mjoberg, Ark. 

 f. Zool., Vol. 6, pt. 13, p. 156 (1910); Kellogg & Ferris, 

 Anopl. & Mall, of N. Am. Mam., p. 10 (1915). 



Solenopotes Enderlein, Zool. Anz., Vol. 28, p. 143 (1904) ; 

 Dalla Torre, Gen. Ins., Anopl., p. 15 (1908). 



Hcematopinus (Linognathus) Neumann, Arch, de Par., 

 Vol. 13, pp. 529-530 (1909). 



Head usually rather slender and elongated. Temporal 

 angles not prominent. Middle and posterior legs nearly equal 

 in size, larger and stouter than the anterior. Abdomen en- 

 tirely without chitinized tergal, sternal and pleural plates. 

 Each abdominal segment with two or three transverse rows 

 of hairs. Spiracles large. Gonapods usually long. 



From Perissodactyla, Artiodactyla, Hyracoidea, and from 

 the domestic dog. 



Type of the genus Linognathus piliferus (Burm.). 



1 — Linognathus angulatus (Piaget). Type from Cephalo- 

 phus nigrifrons (Africa). Also from Cephalophus na- 

 talensis and Cephalophus sp. (Africa). 



1885. Hcematopinus ungulatus Piaget, Les Ped., 



Suppl., p. 144; pi. 15, f. 7. 

 Note: ungulatus is evidently a misprint for angulatus, 

 the latter appearing in the description of the plates. 

 1908. Hcematopinus ungulatus Dalla Torre, Gen. Ins., 



Anopl., p. 11. 

 1910. Linognathus angulatus Mjoberg, Ark. f. Zool., 



p. 157. 

 1916. Linognathus angulatus Ferris, Ann. Durban 

 Mus., Vol. 2 (in press). 

 2 — Linognathus breviceps (Piaget). Type from Cephalo- 

 phus maxwelli (Africa). Also from ? "Cearrus-Hirsch" 

 (Guatemala). 



1885. LIcematopinus breviceps Piaget, Les Ped., 



Suppl., p. 142; pi. 15, f. 5. 

 1908. Hcematopinus breviceps Dalla Torre, Gen. Ins., 



Anopl., p. 11. 

 Note: This species is probably the young of Lino- 

 gnathus angulatus (Piaget). 



