80 



NOETH AMERICAN FAUNA. 



[No. 37. 



Marmota sheldoni, 62-63. 



sibila, 63. 



sierrae, 43-44. 



vancouverensis, 70-72. 



vigilis, 61-62. 



warreni, 52-53. 

 Marmotta caligata, 59. 

 Measurements, cranial, explanation of, 18. 



caligata group, 72. 



Qaviventris group, 55. 



monax group, 35. 

 melanopus, Arctomys, 30. 

 monax, A rctomys, 22. 



Glis, 22. 



Marmota, 21. 



Marmota monax, 22-25. 



Mus, 18, 22. 



N. 



nivaria, Marmota caligata, 66-67. 

 nosophora, Marmota flaviventris, 46-49. 



O. 



obscura, Marmota flaviventris, 53-65. 

 ochracea, Marmota monax, 34^35. 

 okanagana, Marmota caligata, 64-66. 

 dkanaganii, Arctomys, 64. 

 okanaganus, Arctomys, 64. 

 Olympus, Arctomys, 69. 



Marmota, 69-70. 

 oxytona, Marmota caligata, 63-64. 



P. 



parAnila, Marmota flaviventris, 44-45. 

 petrensis, Marmota monax, 33. 

 preblorum, Marmota monax, 27-29. 

 pruinosa, Arctomys, 59. 

 pruinosus, Arctomys, 59, 64. 



R. 



rufescens, Marmota monax, 25-27. 



8. 



sheldoni, Marmota caligata, 62-63. 

 sibila, A rctomys, 30. 



Marmota, 63. 

 sierrae, Marmota flaviventris, 43-44. 



V. 



vancouverensis, Marmota, 70-72. 

 vigilis, Marmota caligata, 61-62. 



W. 



warreni, Marmota flaviventris, 52-53. 

 Woodchuck, British Columbia, 33. 



Canada, 30-32. 



Labrador, 29-30. 



New England, 27-29. 



ochraceous, 34-35. 



rufescent, 25-27. 



southern, 22-26. 



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