

Y i 



«*. ^ 



X*>. 



INDEX 



^ ♦ >^ 



fc 



v> 



aborigines, 39. 



Acacia constricta, 11, 28. 



agave, 44. 



Agelenidae, 184. 



Agriopidae, 184. 



Aleocharine, 181. 



algireta, 30, 46. 



allthorn, 11, 29. 



Anenaria, 19. 



anhinga, 130. 



antelope, 40, 55. 



anthomiad fly, 180. 



Antilocapra americana araeri- 



cana, 55. 

 Antrozous pallidus, 121. 

 Apache plume, 16, 32. 

 Aphiochaeta rufipes, 180. 

 armadillo, Texas, 60. 

 ash, green, 21. 

 aspen, 18. 

 Atheta, 181. 

 Atriplex canescens, 32. 

 avocets, 130. 



B 



Baccharis, 11. 

 badger, Mexican, 102. 

 banner-tail, 83. 

 barberry, three-leaved, 11. 



trifoliate, 30. 

 Bascanion, 169. 



Bassariscus astutus flavus, 105. 

 bat, big brown, 122. 



big pale, 121. 



bat, brown, 17. 



California, 129. 



canyon, 129. 



cave, 126. 



ftinged, 126. 



guano, 12. 



hoary, 18, 123. 



house, 12, 124. 



jack-rabbit, 120. 



little canyon, 12. 



Mexican free-tailed, 108. 



red, 123. 



silver, 122. 



silver-haired, 18. 

 bats, 4. 



hibernation, 112. 

 bean, coral, 28. 



goat, 28. 

 bear, 40. 



black, New Mexico, 104. 



grizzly, 49. 

 Texas, 104. 

 beaver, Mexican, 44, 82. 

 beetles, 172, 180. 



rove, 181. 

 Bell Rarich, 50. 

 Berberis trifoliata, 46. 

 Big Canyon, 53, 54. 

 bighorn, 53. 

 Bighorn Cave, 31, 149. 

 Bison bison bison, 49. 

 blackbird, Brewer, 133. 

 -> red-winged, 133. 

 rusty, 133. 

 yellow-headed, 133. 



187 



