RODENTIA: HETEROMYIDAE 361 



1932. Perognathus longimembris pacificus von Bloeker, Proc. Biol. Soc. Wash- 

 ington, vol. 45, p. 128, Sept. 9, 1932. 

 1932. Perognathus longimembris cantivelli von Bloeker, Proc. Biol. Soc. Wash- 

 ington, vol. 45, p. 128, Sept. 9, 1932. (Hyperion, Los Angeles County, 

 Calif. Regarded as identical with pacificus by Huey, Trans. San Diego Soc. 

 Nat. Hist., vol. 9, No. 11, pp. 48, 49, Aug. 31, 1939.) 

 Type Locality. — Mexican boundary monument No. 258, shore of Pacific Ocean, 

 San Diego County, Calif. (See von Bloeker, Journ. Mamm., vol. 12, No. 4, p. 369, 

 Nov. 11, 1931.) Range. — A narrow sea-facing strip of territory extending north- 

 west from near mouth of Tia Juana River, southwestern San Diego County, to 

 Palisades del Rey, Los Angeles County, Calif, (von Bloeker, 1932, p. 129). 



Perognathus longimembris internationalis Huey 



1939. Perognathus longimembris internationalis Huey, Trans. San Diego Soc. 

 Nat. Hist., vol. 9, No. 11, p. 47, Aug. 31, 1939. 



Type Locality. — Baja California side of international boundary at Jacumba, 

 San Diego County, Calif. Range. — Known only from both sides of international 

 boundary in Jacumba Valley. 



Perognathus longimembris aestivus Huey 



1928. Perognathus longimembris aestivus Huey, Trans. San Diego Soc. Nat. 

 Hist., vol. 5, No. 8, p. 87, Jan. 18, 1928. 



Type Locality.— Sangre de Cristo, lat. 31° 52' N., long. 116° 06' W., Valle San 

 Rafael, western base of Sierra Juarez, Baja California, Mexico. Range. — Known 

 from type locality only. Upper Sonoran Zone. 



Perognathus longimembris venustus Huey 



1930. Perognathus longimembris venustus Huey, Trans. San Diego Soc. Nat. 

 Hist., vol. 6, No. 17, p. 233, Dec. 24, 1930. 



Type Locality. —San Agustin, lat. 30° N., long. 115° W., Baja California, Mex- 

 ico. Range. — Known from type locality only. 



Perognathus longimembris kinoensis Huey 



1935. Perognathus longimembris kinoensis Huey, Trans. San Diego Soc. Nat. 



Hist., vol. 8, No. 12, p. 73, Aug. 24, 1935. 

 Type Locality. — Bahia Kino (more precisely, from northern end of sand dune 

 peninsula that borders bay and forms northern arm of estuary), Sonora, Mexico. 

 Range. — Probably throughout most of arid desert of northwestern Sonora, Mex- 

 ico (Burt, Univ. Michigan Mus. Zool. Misc. Publ. 39, p. 43, Feb. 15, 1938). 

 Perognathus longimembris bombycinus Osgoodf * 



1907. Perognathus bombycinus Osgood, Proc. Biol. Soc. Washington, vol. 20, 

 p. 19, Feb. 23, 1907. 



1929. Perognathus longimembris bombycinus Nelson and Goldman, Proc. Biol. 

 Soc. Washington, vol. 42, p. 104, Mar. 25, 1929. 



Type Locality. — Yuma, Yuma County, Ariz. Range. — Colorado River Valley 

 from near Ehrenberg, Yuma County, Ariz. (Grinnell, Univ. California Publ. 

 Zool., vol. 12, No. 4, p. 243, Mar. 20, 1914) , south to Colonia Lerdo, Sonora, 

 Mexico. Recorded also at 3 miles west of Pilot Knob, Imperial County, Calif. 

 (Huey, Trans. San Diego Soc. Nat. Hist., vol. 8, No. 25, p. 356, June 15, 1937). 



