Thf Ottawa Naturalist. 



iJune 



Cranial measurements (in millimeters). 



7709. 

 7710. 



7711. 



4915- 



495^- 



4959- 

 37216. 



1540. 



154'- 

 •542- 



Collection 



Collection 



Collection 



Collection 



Collection 



Collection 

 Collection 

 Collection 

 Collection 

 Collection 



of E. A. 



of E. A. 



of E. A. 



of E. A. 



of E. A. 



of E.A. 

 of the U 

 of J. D. 

 of J. D. 

 of J. D. 



& O. Bangs. S 

 & O. Bangs. $ 

 & O. Bang-s. $ 

 & O. Bangs. S 

 & O. Bangs. 9 



& O. Bangs. 6 

 . S. N. Miisenm 

 Sornborger . . . 

 Sornborger . . . 

 Sornborger . . . 



cS O 



c c 



ni 



o .b^ 



<U (U u 



Z o 



c ^ 



< 



38. 



41 -4 

 39 3 

 35- 

 36 

 35- 



39-2 



c • 

 1) o 



O 



u 



"o . 

 E- 



u 



V 



'■!■ ' 



o 



5 



234 

 259 

 21 . 



21 . 



22.3 



21.3 



25- 



25- 

 24.2 



8 



8. 



8. 



7- 



6.7 



6.9 



c 

 o 

 be 



N 



8.2 



8.2 



8. 



2t . 



25- 

 26.2 



21 .2 



22.4 



22. 



23.2 



24. 



25- 

 23.6 



C J= 





be 

 c 



n 



■■5 2 



0) ^*- 



9 16. 

 •52 

 15 

 '4 



14.2 

 16. 

 16. 1 

 16. 

 i6. 



be 



c 



1. <n 



30 8 

 33- 



27 

 29 

 27 



32- 



Length of Hind Feet (in millimeters, from dry skins). 



7709. Collection of E. A. & O. Bangs 40. 39.5 



7710. Collection of E. A. & O. Bangs 37. 37.5 



771 1. Collection of E. A. & O. Bangs 37.5 37.5 



7069. Collection of the U. S. National Museum . 41. 41. 



6505. Collection of the U. S. National Museum 40. 



5515. Collection of the Museum of Comparative Zoology 40. 39.5 



7189. Collection of the U. S. National Museum 38. 38. 



7190. Collection of the U. S. National Museum. 49. 



5430. Collection of the Museum of Comparative Zoology ..... 40. 39.5 



5431. Collection of the Museum of Comparative Zoology 38. 39. 



1624. Collection of C. F. Batchelder 36. 35. 



1540. Collection of J. D. Sornborger. 40.5 



1541. Collection of J. D. Sornborger 41. 42. 



1542. Collection of J. D. Sornborger. . . . . 42. 



Material Examined. 



Fort Yukon, Alaska. 

 5433. Collection of the Museum of Comparative Zoology. 



Tongas, Alaska. 

 5435. Collection of the Museum of Comparative Zoology. 



Big Island, Great Slave Lake. 

 7069. Collection of the U.S. National Museum. 

 6505. Collection of the U. S. National Museum. 



5432. Collection of the Mu.seum of Comparative Zoology. 



