150 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). 



Hcematopinns (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 angidatus (Piaget). Type from Cephalo- 

 phus nigrifrons (Africa). Also from Cephalophiis na- 

 talensis and Cephalophus sp. (Africa). 



1885. Hcematopinus ungitlatus Piaget, Les Ped., 



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

 Note : imgidatus is evidently a misprint for angulatus, 

 the latter appearing in the description of the plates. 

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



Anopl., p. 11. 

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



p. isV. 



1916. Linognathus angulatus Ferris, Ann. Durban 

 Mus., Vol. 2 (in press). 

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

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

 (Guatemala). 



1885. LIcBmatopinus hreviceps Piaget, Les Ped., 



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

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



Anopl., p. 11. 

 Note: This species is probably the young of Lino- 

 gnathus angulatus (Piaget). 



