﻿56 



NORTH AMERICAN FAUNA. 



[Xo. 10, 



marked as in typical specimens of these animals. Individuals now and 

 then occur with the whole pelage suffused with chestnut, but these are 

 rare. 



Specmiens from tlie plains are paler than the average, but whether 

 these represent a distmct local race it is at present impossible to say. 

 Should the plains animal prove to be separable, it must take the name 

 haydeni Baird. 



I'dble of average cranial measurements and ratios. 



Locality. 



Sorer hoiii Elk Eiver, Minu 



Sori'x ixilustris do 



Sorer alhiharhis Elizabetlitown, X. Y. 



Sorer aiancus Xew Forest, England 



Sorer ncJiardsoni .. Elk Eivei", Minn 



Sor(xfumeus Peterboro, X. Y 



Elizabethtown. X. Y. 



Sorex loifjirostris .., Raleigli, X. C , 



Xantncket, Mass 



Elk Eiver. Minn 



Sorex personatus. . . 



liatio to total 

 length. 



©-a 



I 1^ C3 



8 



14.4 



G. 5 



4. 1 



5.2 



45. 14 



4 



20. 4 



10. G 



0. 7 





52. 2 



3 



20 



10.3 



G. 26 



8. 3 



51. 5 



10 



18.3 



9.4 







51.3 



10 



18.4 



9.5 



5. 3 



7.6 



51.79 



C 



17. 3 



8. 9 



5. 1 



6. 9 



51.76 



8 



17. 8 



9. 1 



5. 1 





51.12 



4 



14.7 



7. 5 



4.4 



5.6 



51.02 



10 



15.2 





4 



6. 1 



51.31 



8 



15.3 



7 7 



4.3 



G 



49.9 



c c 



28. 

 33. 

 31. 

 28. 

 28. 

 29. 

 28. 

 27. 

 26. 

 27. 



= I a 

 _.!A 



47 36.09 

 09 40.93 



3 41. 3 



4 40. 9 

 18^ 41. 24 

 47' 39. 88 

 65 35. 35 

 21^ 38.09 

 31' 41.31 



5 ' 39.42 



lital 

 atal 



"^[3 



! © 



S « 





is 











- ^ 5 



- ? » 



78. 84 



61.69 



80. 95 



63.38 



75.79 



60. 77 



6G. 56 



55. 43 



69. 65 



55. 46 



73. 91 



52. 02 



72. 85 



56. 04 



78.65 



58.66 



64. 61 



51.28 



71.26 



55, 7 



NoTK. — The material on wliicli Sorex fisheri Merriam from Dismal Swamp, Virginia 

 (North American Fauna, No. 10, p. 86), is based came to hand too late for description 

 in this paper. The teeth of a specimen at first suf>230sed to he an unusually large 

 Sorex lonrjirostris are, however, ligured in Plate IV. 



