﻿INDEX. 



[Synonyms in italics.] 



AyrieoZa. 17, 19, 21, 62. 

 Alticola, 9, 17, 19, 23, 52-54. 

 Alviccola, 15. 

 Amuiomys, 15, 58. 

 Anaptogonia, 17, 74-75. 

 Anteliomys, 9. 

 Arctomys, 13. 

 Arvicola, 9, 14. 

 Arvicola, 14. 



amphibius, 14. 



intermedins, 75-76 

 Arvicolince, 8. 

 Aulacoinys, 18, 69. 



Baird, classification adopted l)y, 21-22. 

 Blanford, classification adopted by, 23. 

 Blasius, classitication adopted by, 21. 

 Bony palate, 26-28. 

 Borioikon, 17, 38. 

 Brachyurus, 15. 

 Bramus, 18, 73-74. 



barbarus, 73-74. 

 Biichner, opinion on taxonomic value of enamel 



pattern, 25. 

 Campicola, 18, 62. 

 Castor, 12. 



Chalotus, 9, 16, 19, 22, 60-62. 



Cones, classification adopted by, 22-23. 



Cuniculus, 12. 



Cuniculus, 16, 38. 



De Selys-Longchamps, classification adopted by, 

 19-21. 



Dicrostonyx, 8, 9, 16, 38-40. 



torquatus, 9, 40 

 Enamel pattern, 25. 

 Eothenocnys, 9, 45-47. 

 Eremiomys, 17, 50. 

 Evotomys, 8, 9, 17, 22, 28, 42-44. 



californicus, 44. 



fuscodorsalis, 44. 



galei, 44. 



gapperi, 44. 



glareolus, 44. 



idahoensis, 44. 



occidentalis, 44. 



rufocanus, 44. 



rntilus, 9,44. 

 Fatio, classification adopted by, 22. 

 Fiber, 8, 9, 14, 71-73. 

 obscurus, 73. 

 rivalicius, T3. 

 zibethicus, 9, 71-73. 

 G-lis, 12. 

 CjUs, 12, 13. 



Hsmiotomys, 16, 19, 20, 22, 62. 

 History of classifications, 19-24. 



Hyperacrius, 9. 



Sypudceus, 14, 21, 22. 



Interpterygoid fossa, 27. 



Isodelta, 17, 74-75. 



Keys, 28-32. 



Lagomys, 13. 



Lagurus, 9, 16. 49-51. 



Lasiop)odomys, 18. 24, 57. 



Lataste, classification adopted by, 23-24. 



Lateral bridges, 27. 



Lateral grooves, 27. 



Lemmi, 8. 



Lemmings, 8. 



Lemmns, 8, 9. 13, 36-37. 



lemnius. 9. 37. 



nigripes, 37. 



obensis, 37. 



scliisticolor, 37. 

 Marmota, 13. 



Maxillo-palatine sutuie. 26. 

 Microti, 8. 



Microtinne, geographic distribution, 9-10. 

 habits, 10-11. 



lists of genera and subgenera, 9. 



subfamily and divisions, 8-9. 

 Microtus. 8, 9, 14, 19, 20, 21, 24, 44-71. 

 agrestis, 66. 

 albicaudii, 54. 

 alleni, 9, 69-71. 

 arvalis, 9, 02, 66. 

 arvicoloides, 08-69. 

 austerus, 9, .55-56. 

 blanfordi, 54. 

 blythii, 9, 57. 58. 

 brandti, 58. 



characters on Avliich present classifica- 

 tion of subgenera is based, 24-28. 

 chinensis, 9, 47-49. 

 chrotorrhinus, 66. 

 curtatus, 51. 

 fertiUs, 9, 54-55. 

 fuscus, 58. 

 (genus), 44-45. 

 guentheri, C6. 

 hiatidens, 74-75. 

 lagurus, 9, 49, 51. 

 longicauda, 66. 

 luteus, 49, 51. 

 macropus, 69. 

 mandarinus, 58. 

 melanogaster, 9, 45-47. 

 middendorffi, 24, 49. 

 mogoUonensis, 66. 

 monticola, 69. 



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