AMERICAN BATS OF THE GENERA MYOTIS AND PIZONYX 



61 



Cranial measurements of Myotis hicifugus — Continued 



Locality 



Myotis Incifngns 

 carissima — Con. 



Washington: 



Stehekin 



Do- 



Do 



Do 



Oregon : 



Paulina Lake 



Riverside 



Steen Mountains. 



Do 



California: 



Qilmore Lake 



Yosemite Park... 



Do 



Warner Moun- 

 tains 



Do.. 



Donner 



Do... 



Ice Caves 



Do... 



Prattville 



Lincoln Creek 



Near Susan ville.. 



Myotis Incifugns 

 phasma 



Colorado: 



Snake River 



Do.. 



Lily... 



California: Argus 

 Mountains. 



Myotis lucifugus 

 fortidens 



Tabasco: Teapa 



Texas: Fort Hancock. 



Number 



229896 

 229897 

 230141 

 230142 



204903 

 213909 

 216094 

 216095 



12036 U. C. 

 23036 U. C. 

 3 23034 U. C. 



11351 U. C. 



11352 U. C. 

 100377 U. S. N. M. 



100503 



97731 



97732 



98094 

 100378 



98093 



148158 

 < 148159 



148167 

 13295 F.M. 



8. 8. 8. 18 B. M. 

 36121 



14.0 

 14.4 

 14.3 

 14.5 



14.8 

 14.4 

 14.4 

 14.3 



14.6 

 14.8 

 15.0 



14.6 

 14.9 

 14.2 

 14.5 

 14.7 

 14.3 

 14.6 

 14.4 

 14.2 



15.0 

 14.9 

 14.6 

 14.5 



15.0 

 14.8 



■^J3 



13.1 

 13.0 

 13.6 

 13.7 



13.5 

 13.6 

 13.5 

 13.3 



13.9 

 13.8 

 14.1 



13.9 

 14.0 

 13.2 

 13.6 

 13.9 

 13.5 

 13.5 

 13.8 

 13.5 



O £ 



13.8 

 14.0 



9.0 

 9.0 



9.0 



14. 1 8. 9 

 14. 2 9. 

 13.9 

 13.7 



9.6 

 9.4 



O 1.1 



ut to 



as p 



3.8 

 3.8 

 4.0 

 4.0 



4.0 

 3.9 

 3.9 

 3.8 



4.0 

 4.1 

 4.0 



4.0 

 3.9 

 4.0 

 4.0 

 3.7 

 3.7 

 3.8 

 3.8 

 3.8 



3.6 

 3.8 

 3.6 

 3.7 



3.8 

 3.8 



7.3 



7.2 

 7.2 

 7.2 



7.6 

 7.2 

 7.1 

 7.2 



7.5 



7.5 

 7.4 



7.1 

 7.4 

 7.4 

 7.3 

 7.2 

 7.5 

 7.2 

 7.2 

 7.2 



7.1 

 7.1 

 7.0 



7.4 



7.4 

 7.0 



5.2 

 5.0 

 5.2 

 5.2 



5.2 

 5.0 

 5.1 

 4.9 



5.2 

 5.1 

 5.6 



5.1 

 4.9 

 5.0 

 5.0 

 5.0 

 5.0 

 5.1 

 5.3 



5.2 

 5.0 



10.2 

 10.0 

 10.4 

 10.5 



10.8 



10. 



10.0 



10.6 

 10.5 

 11.0 



10.7 

 10.6 

 10.6 

 10.3 

 10.5 

 10.6 

 10.4 

 10.8 

 10.3 



11.0 

 11.1 

 10.8 

 10.3 



_ o 



5.0 

 5.0 

 5.4 

 5.3 



5.1 

 5.2 

 5.1 

 5.1 



5.3 



5.4 

 5.5 



5.3 

 5.3 

 5.2 

 5.2 

 5.2 

 5.2 

 5.2 

 5.3 

 5.2 



5.7 

 S.3 



5.4 

 5.5 



5.5 

 5.6 

 5.8 

 5.8 



5.4 

 5.6 

 5.6 

 5.7 



5.6 

 6.0 

 5.9 



5.8 

 6.0 

 5.6 

 5.5 

 5.5 

 5.7 

 5.5 

 5.8 



5. 



6.0 



5.8 



5.8 

 6.2 



3^ 



5.5 

 5.3 

 5.7 

 5.7 



5.6 

 5.5 

 5.5 

 5.6 



5.8 

 5.6 

 5.9 



5.6 

 5.6 

 5.6 

 5.7 

 6.7 

 5.8 

 5.6 

 5.8 

 5.6 



6.3 

 6.0 

 5.9 

 5.5 



5.8 

 6.0 



' Type of M. yumanensis altipetens H. W. Orinnell. 



♦ Type. 



MYOTIS YUMANENSIS (H. Allen) 



(Synonymy under subspecies) 



Disf7'i'bution. — Western North America from southern British 

 Columbia to the southern part of the Mexican plateau (at least as 

 far as the State of Michoacan) ; eastward over the arid region of the 

 United States from western Texas northward, including probably 

 the whole of the Great Basin, to western Montana. 



Diagnosis. — In general like Myotis lucifugus but smaller and with 

 relatively somewhat longer tail (average ratio of tail to head and 

 body in 8 specimens from Yuma, Ariz., 81.1; in 10 from Old Fort 

 I'ejon, Calif., 81.2; in 10 from Montana, 87.2; and in 10 from San 

 Luis Potosi, 83.4) ; forearm about 34 mm. (32 to 37 mm.) ; greatest 

 length of skull ranging from 13.0 to 14 2; maxillary tooth row rang- 



