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



Genus Enderleinelhis Fahrenholz 



Fahrenholz, Zool. Anz., Vol. 39, p. 56 (1912); 2-3-4th 

 Jahresb. d. Niedersach. Zool. Ver., pp. 52-58 (1912) ; Kellogg 

 and Ferris, Anopl. & Mall, of N. Am. Mam., p. 40 (1915). 



Anterior and middle pairs of legs of equal size, small and 

 with slender claws. Posterior legs very large and stout, with 

 stout claw. Head entirely without temporal angles. Abdomen 

 with or without chitinized tergal and sternal plates. Abdom- 

 inal segments for the most part with but one row of hairs 

 or spines in both male and female. Third sternite usually with 

 a widely separated pair of chitinized plates or areas, one near 

 each lateral margin. Pleurites present on second to fifth or 

 sixth segments. 



Recorded only from Sciuridce and PctauristidcB (Rodentia). 



Type of the genus Endcrlehiellus spJicerocephalus 

 (Nitzsch). 



1 — Enderleinellus kelloggi Ferris. Type from Sciurus griseus 

 nigripes (California, U. S. A.). Also from S. griseus 

 griseus ( California ) . 



1916. Enderleinellus kelloggi Ferris, Psyche, Vol. 23 

 (in press). 

 2 — Enderleinellus longiceps Kellogg & Ferris. Type from Sci- 

 urus niger ruHventer or 5. carolinensis (Lincoln, Nebraska, 

 U. S. A.) Also from Sciurus niger ruHventer (Indiana, U. 

 S. A.) and 5*. arisonensis huachuca (Arizona, U. S. A.). 



1915. Enderleinellus longiceps Kellogg & Ferris, 

 Anopl. & Mall, of N. Am. Mam., pp. 44-46; pi. 

 2, f. 5; pi. 4, f. 12; pi. 6, f. 2. 



1916. Enderleinellus longiceps Ferris, Psyche, Vol. 23 

 (in press). 



3 — Enderleinellus osborni Kellogg & Ferris. Type from Citel- 

 lus beecheyi (California, U. S. A.). Also from Citellus 

 douglasi (California). 



1915. Enderleinellus osborni Kellogg & Ferris, Anopl. 

 & Mall, of N. Am. Mam., pp. 43-44; t. f. 15; 

 pi. 4, f. 11; pi. 6, f. 6. 

 -Enderleinellus sphceroccphalus (Nitzsch). Type from 5a- 

 urus vulgaris (Europe). Also from Sciurus hudsonicus 



