Vol. VI] FERRIS— ANOPLURA 151 



2 — Fahrenhohia tribidosa Ferris. Type from Perognathits 

 calif ornicus (California, U. S. A.). Also from Perognath- 

 its formosus (California). 



1916. Fahrenhohia trihulosa Ferris, Psyche, Vol. 23 

 (in press). 



Genus Hceinodipsus Enderlein 



Hcemodipsus Enderlein, Zool. Anz., Vol. 28, pp. 139, 143 

 (1904) ; Dalla Torre, Gen. Ins., Anopl., p. 15 (1908) ; Mjo- 

 berg. Ark. f. Zool., Vol. 6, pt. 13, p. 165 (1910) ; Kellogg & 

 Ferris, Anopl. and Mall, of N. Am. Mam., pp. 27-28 (1915). 



Hcematopinus (Polypla.v) Neumann, Arch, de Par., Vol, 

 13, p. 536 (1909). 



Anterior legs small with slender claw, middle and posterior 

 legs larger, sub-equal, with heavier claws. Head broad, thorax 

 very small. Abdomen entirely without chitinized tergites and 

 sternites, each segment with a single transverse row of spines 

 or hairs. Pleural plates very small or wanting. Gonapods 

 very short. 



Recorded only from Lcporidce (Rodentia). 



Type of the genus Hcetnodipsus lyriocephalus (Burm.). 



1 — Hcemodipsus lyriocephalus (Burm.). Type from Lepus 

 timidus (Europe). Also from L. europcBus occidentalis 

 (Europe). 



1839. Pcdiculus lyriocephalus Bvu'meister, Gen. Rhyn. 



No. 11, f. 7. 

 1842. Hcematopinus lyriocephalus Denny, Mon. 



Anopl, pp. 27-28; pi. 24, f. 4. 

 1864. Pcdiculus lyriceps Nitzsch, Zeits. f. ges. Na- 



turw.. Vol. 23, p. 24. 

 1874. Hcrmatopinns lyriocephalus Giebel, Ins. Epizoa, 



pp. 39-40; pi. 2, f. 2. 

 1880. Hcematopinus lyriocephalus Piaget, Les Ped., 



pp. 641-642; pi. 52, f. 5. 

 1904. Hcemodipsus lyriocephalus Enderlein, Zool. 



Anz., Vol. 28, p. 143. 

 1908. Hcemodipsus lyriocephalus Dalla Torre, Gen. 



Ins., Anopl., p. 15. 



