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



1909. Hcematopinus (Polyplax) lyriocephalus Neu- 

 mann, Arch, de Par., Vol. 13, p. 528. 



1910. Hcemodipsus lyriocephalus Mjoberg, Ark. f. 

 Zool., Vol. 6, pt. 13, p. 165. 



1913. Hcemodipsus lyriocephalus Evans, Proc. Royal 

 Phys. Soc. Edinburgh, Vol. 19, p. 94. 



1915. Hcemodipsus lyriocephalus Kellogg & Ferris, 

 Anopl. & Mall, of N. Am. Mam., p. 28. 



2 — Hcemodipsus ventricosus (Denny). From Oryctolagus 

 cuniculus (Europe). Also from "domestic rabbit" (Eu- 

 rope and North America), Lepus campestris (Iowa, U. S. 

 A.), Lepus calif ornicus (California, U. S. A.), and L. cal- 

 if ornicus deserticola (Arizona, U. S. A.). 



1842. Hcematopinus ventricosus Denny, Mon. Anopl., 



pp. 30-31; pi. 25, f. 6. 

 1874. Hcematopinus ventricosus Giebel, Ins. Epizoa, 



p. 47. 

 1880. Hcematopinus ventricosus Piaget, Les Ped., p. 



642. 

 1885. Hcematopinus ventricosus Piaget, Les Ped., 



Suppl, pp. 141-147; pi. 16, f. 9. 

 1896. Hcematopinus ventricosus Osborn, Bui. 5, n. s., 



U. S. Dept. Agr., Div. Ent., p. 182. 

 1904. Hcemodipsus ventricosus Enderlein, Zool. Anz., 



Vol. 28, p. 143. 



1908. Hcemodipsus ventricosus Dalla Torre, Gen. Ins., 

 Anopl., p. 15. 



1909. Hcematopinus (Polyplax) ventricosus Neu- 

 mann, Arch, de Par.,*Vol. 13, pp. 527-528, f. 27. 



1910. Hcemodipsus ventricosus Mjoberg, Ark. f. Zool., 

 Vol. 6, pt. 13, p. 165. 



1913. Polyplax ventricosa Evans, Proc. Royal Phys. 

 Soc. Edinburgh, Vol. 19, p. 94. 



1915. Hcemodipsus ventricosus Kellogg & Ferris, 

 Anopl. and Mall, of N. Am. Mam., pp. 28-30; 

 t. f. 11; pi. 2, f. 2; pi. 4, f . 5 ; pi. 5, f. 12. 



1916. Hcemodipsus ventricosus Ferris, Psyche, Vol. 23 

 (in press). 



