INDEX. 



[New names in bold-face type; synonyms in italics; pages containing the principal reference to a subject 



in bold-faee figures.] 



A. 



Acknowledgments, 9-10. 



albescens, Eeitlixodontomys albescens, 10, 22-23' 



Reithrodontomys montanus, 22. 

 albilabris, Eeithrodontomys microdon, 80-81. 

 alleni, Eeithrodontomys, 59. 

 alticolus, Eeithrodontomys megalotis, 13, 37. 

 amcenus, Eeithrodontomys, 55, 



Ehithrodontomys , 55. 

 amoles, Eeithrodontomys, 40. 

 Aporodon, subgenus, 10, 13, 58, 63-64, 71, 72, 77. 



subgenus, species, list of, 15. 

 type localities, list of, 15. 

 arlzonensis, Eeithrodontomys megalotis, 38. 

 Arvicola, 7. 



aurantius, Eeithrodontomys fulvescens, 12, 48-49. 



Reithrodontomys mericanus, 48. 

 aureus, Eeithrodontomys tenuirostris, 78-79. 

 australis, Eeithrodontomys australis, 62-63. 

 aztecus, Eeithrodontomys megalotis, 8, 13, 30. 



C. 



carolinensis, Reithrodon, 8. 

 catalinae, Eeithrodontomys, 40-41. 



Reithrodontomys megalotis, 40. 



Rhithrodontomys, 40. 

 Characters, generic, 13. 

 cherriei, Reithrodontomys, 73. 



Sitomys, 73. 

 cherrii, Hesperornys ( Vesperimus), 73, 74. 



Eeithrodontomys mezicanus, 73-74. 

 clilapensis, Eeithrodontomys fulvescens, 53. 

 ehrysopsis, Eeithrodontomys chrysopsis, 64, 66- 

 68. 



chrysotus, Reithrodontomys, 48, 49. 



cinereus, Eeithrodontomys megalotis, 35-36. 



Reithrodontomys saturattos, 35. 

 colimx, Reithrodontomys, 39. 



Eeithrodontomys colimse, 59-60. 

 costaricensis., Reithrodontomys, 73, 74. 

 Cranial measurements, table of, 81. 

 creper, Eeithrodontomys, 79. 



D. 



deserti, Reithrodontomys, 9. 



Reithrodontomys megalotis, 26, 28. 

 dicMmoni, Reithrodontomys humilis, 19, 20. 

 difficilis, Eeithrodontomys fulvescens, 50-51, 71. 

 Distribution, 10. 



dorsalis, Eeithrodontomys, 61-62. 

 dychei, Reithrodontomys , 23. 



Eeithrodontomys megalotis, 11, 12, 30-32. 



E. 



Economic status, habits and, 10. 



r. 



rood, 11. 



fulvescens, Eeithrodontomys fulvescens, 43-44. 

 Reithrodontomys mezicanus, 43. 



G. 



Generic characters, 13. 



Genus Eeithrodontomys, 13. 



goldmani, Eeithrodontomys mexicanus, 11, 72-73* 



gracilis, Eeithrodontomys, 64, 78-77. 



Reithrodontomys mexicanus, 76. 

 griseoMvus, Reiihrodoniomys, 45, 46. 

 griseus, Reithrodontomys, 30. 



Eeithrodontomys albescens, 23-24. 

 Groups, genus Eeithrodontomys, 14-16. 



H. 



Habits and economic statiis, 10. 



halicoetes, Eeithrodontomys raviventris, 42-43. 



helvolus, Eeithrodontomys fulvescens, 52-53. 



Reithrodontomys griseoflavus, 52. 

 Eesperomys, 8, 74. 



[Peromyscus], 74. 



( Vesperimus) cherrii, 73, 74. 

 hirsutus, Eeithrodontomys, 64, 66. 

 History and material, 7. 

 humilis, Mus, 7, 19. 



Ochetodon, 8, 13, 19. 



Reithrodon, 8, 19. 



Reithrodontomys, 19. 

 Uumulis, Mus, 7, 19. 



Eeithrodontomys humulis, 13, 1^20. 



impiger, Eeithrodontomys humulis, 20-21. 



Reithrodontomys lecontii, 20. 

 inexspectatus, Rhithrodontomys, 51, 52. 

 intermedius, Eeithrodontomys fulvescens, 11, 47- 

 48. 



Reithrodontomys mexicanus, 47. 



J. 



jalapse, Reithrodontomys cherriei, 70. 

 Reithrodontomys cherrii, 71. 

 Reithrodontomys costaricensis, 70, 71. 



K. 



Key to species and subspecies, 16. 

 klamathensis, Reithrodontomys, 33, 34. 



95 



