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



1874. Hoematopinus setosus Giebel, Ins. Epizoa, pp. 



42-43. 

 1880. Echinophthirius setosus Piaget, Les Ped., pp. 



656-658; pi. 54—, f. 1. 

 1896. Echinophthirius setosus Osborn, Bui. 5, n. s., 



U. S. Dept. Agr., Div. Ent, p. 188. 

 1904. Echinophthirius phocoe Enderlein, -Zool. Anz., 



Vol. 28, p. 136. 



1908. Echinophthirius phocoe Dalla Torre, Gen. Ins., 

 Anopl., p. 17. 



1909. Echinophthirius phocoe Enderlein, Deut. Sud- 

 polar Exp., Vol. 10, p. 507. 



1910. Echinophthirius phocoe Mjoberg, Ark. f. Zool., 

 Vol. 6, pt. 13, p. 176. 



1913. Echinophthirius phocoe Evans, Proc. Roy. Phys. 

 Soc., Edinburgh, Vol. 19, p. 95, fig. 

 3 — Echinophthirius sericeus Meinert. From Phoca sp. 

 (Greenland). 



1896. Echinophthirius sericeus Meinert, Vedenska- 



belige Meddelelser, p. 177. 

 1908. Echinophthirius sericeus Dalla Torre, Gen. Ins., 

 Anopl., p. 18. 



Subfamily Antarciophthiriinoe 



Enderlein, Deut. Siidpolar Exp., Vol. 10, p. 506 (1909). 

 Antennae four- or five-segmented. Thorax and abdomen 

 beset with many stout spines and with delicate scales. 



Genus Antarctophthirus Enderlein 



Antarctophthirus Enderlein, Zool. Anz., Vol. 29, p. 661 

 (1906) ; Deut. Siidpolar Exp., Vol. 10, p. 506 (1909) ; Dalla 

 Torre, Gen. Ins., Anopl, p. 17 (1908); Kellogg & Ferris, 

 Anopl. and Mall, of N. Am. Mam., p. 48 (1915). 



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

 13, p. 178-179 (1910). 



Antennae five-segmented. Anterior legs and claws much 

 smaller than the others, which are extraordinarily large and 

 stout. No sternal plate. No pleural plates. Abdomen and 



