1936] 



MAMMALS OF OREGON 



375 



stomachs are found filled with finely masticated insect remains, 

 little is known of their actual food habits and food supply. 



MYOTIS VOLANS LONGICRUS (TBUE) 



LONG-LEGGED BAT 

 Vespertilio longicrus True, Science 8 : 588, 1886. 



Type. Collected in vicinity of Puget Sound, Wash., by David Starr Jordan. 

 Cataloged December 16, 1886. 



General characters. Small, tibia long, about 18 mm; ears short and bluntly 

 rounded, fur on underside of wings extending to elbows; color dark chestnut 

 or cinnamon brown above, sometimes blackish; smoky brown below; ears and 

 membranes blackish. 



Measurements. Adult female from McKenzie Bridge: Total length, 90 mm; 

 tail, 41 ; foot, 9 ; ear (dry), 9 ; humerus, 37. Male from Port Townsend, Wash. : 

 90.6; 42.8; 8; 13; 40. 



Distribution and habitat. The humid coast and mountain region 

 from Admiralty Island, Alaska, to Monterey County, Calif. Oregon 

 specimens are recorded by Miller and Allen from McKenzie Bridge, 

 east base Cascade Mountains, east of Mount Thielsen, and two al- 

 coholics from Baker County. In the university collection at Eugene 

 are specimens from Oak- 

 ridge, Eugene, Mercer, 

 Grants Pass, and Galice, 

 and in Jewett's collection 

 at Portland are specimens 

 from Estacada and Ne- 

 tarts (fig. 94). 



General habit s. On 

 August 25, 1896, a speci- 

 men was taken on Upper 

 Sink Creek in the yellow 

 pine forest near the east- 

 ern base of Mount Thiel- 

 sen, far from human habi- 

 tation and far from any 

 exposed rocks. Nearly 20 

 years later, on June 29 

 and July 4, 1915, 1 male and 1 female of these little dark-colored bats 

 were collected near McKenzie Bridge at the edge of the dense forest. 

 Among the several other species of small Myotis, indistinguishable on 

 the wing, they were shot from the air as they darted back and forth 

 across open spaces in the forest where they could be seen against the 

 evening sky. On July 6, L. J. Goldman shot another at the Lost 

 Creek Kanger Station, 10 miles southeast of the bridge, 



MYOTIS VOLANS INTERIOR MIIXEB 



INTERIOR BAT 

 Mi/otis longicrus interior Miller, Biol. Soc. Wash. Proc. 27 : 211, 1914. 



Type. Collected near Twining, Taos County, N. Mex., by Vernon Bailey, July 

 23, 1904. 



General characters. Size and form as in typical M. v. longicrus, but color 

 lighter and more reddish or yellowish ; upper parts dark hazel to light chestnut ; 



FIGURE 94. Range in Oregon of : 1, Myotis volans 

 longicrus; 2, M. v. interior. 



