INDEX. 



[NeTV names in bold-face type; synonyms in italics.] 



A. 



Abnormal pelage conditions, 20. 

 Acknowledgments, 31. 

 agrestis, Thomomys talpoides, 105-106. 

 albatus, Thomomj-s perpallidus, 70. 

 Albinism, 20. 



alpinus, Thomomys alpinus, 63-64. 

 alticolus, Thomomys bottse, 60. 

 altivallis, Thomomys, 62-63. ■ 

 angularis, Thomomys bottse, 53. 

 anitae, Thomomys bottae, 59. 

 apache, Thomomys perpallidus, 75-76. 

 aphrastus, Thomomys, 56. 

 Ascomys boreaJis, 97. 



bulbivorus, 40. 



talpoides, 97. 

 atrogriseus, Thomomys nevademis, 42. 

 atrovarius, Thomomys, 95-96. 

 aitreus, Thomomys perpallidus, 74-75. 

 awahnee, Thomomys alpinus, 64-65. 



B. 



baileyi, Thomomys, 87-88. 

 borealis, Ascomys, 97. 



Geomys, 96, 100. 



Pseudostoma , 100. 



Saccophorus, 97. 

 bottae, Oryctomys (Saccophorus), 45. 



Thomomys bottse, 45-46. 

 Breeding habits, 11. 

 bridgeri, Thomomys, 112-113. 

 bulbivorum, Diplostoma, 40,45. 



Pseudostoma, 40. 

 bulbivorus, Ascomys, 40. 



Geomys, 40. 



Thomomys, 40-42. 

 Thomomys, 45. 

 bullatus, Thomomys talpoides, 101-102. 

 Burrows, 8. 



C. 



cabezonae, Thomomys, 76-77. 

 Camas rat, 40-42. 



canus, Thomomys perpallidus, 73-74. 

 caryi, Thomomys talpoides, 103-104. 

 cervtaus, Thomomys, 79. 

 Characters, cranial, 16. 



general, 14. 



generic, 32. 

 chrysonotus, Thomomys perpallidus, 71. 

 clusius, Thomomys talpoides, 100-101. 

 columbianus, Thomomys, 106-107. 

 Cranial characters, 16. 

 Cratogeomys, 7. 

 Cricctus talpoides, 96. 



98121°— 15 11 



D. 



Damage by pocket gophers, 10. 

 Dentition, 17. 



desertorum, Thomomys fulvus, 83-84. 

 Destruction of pocket gophers, 14. 

 diaboli, Thomomys botts, 51-52. 

 Diplostoma bulbivorum, 40, 45. 

 Disposition of pocket gophers, 13. 

 Distribution of pocket gophers, 7, 22. 

 dougla^i, Thomomys douglasi, 116-117. 

 douglasii, Geomys, 116. 

 Thomomys, 116. 



E. 



Enemies of pocket gophers, 13. 



F. 



fisheri, Thomomys quadi'atus, 115-116. 

 Food of pocket gophers, 10. 



pocket gophers as, 13. 

 fossor, Thomomys, 111-112. 

 fuliginosus, Geomys, 116. 

 fulvus, Geomys, 80. 



Thomomys fulTxis, 80-82. 

 fuscus, Thomomys fuscus, 126-128. 



G. 



General characters, 14. 

 Generic characters, 32. 

 Geomys, 7. 



borealis, 96, 100. 



bulbivorus, 40. 



bursarius, 100. 



douglasii, 116. 



fuliginosus, 116. 



fulvus, 80. 



oregonensis, 100. 



talpoides, 96. 



(Thomomys) talpoides, 97. 



townsendii, 42, 43. 



umbrinus, 89. 



unisulcatus, 97. 

 goldmani, Thomomys, 94-95. 

 Gopher. See Pocket gopher. 

 Group relationships, 32. 



H. 



Habits, breeding, 11. 



food, 10. 



general, 8. 



winter, 11. 

 Heavy rostrum groups, 32. 

 helleri, Thomomys monticola, 126. 

 hesperus, Thomomys, 131. 

 Heterogeomys, 7. 



133 



