Index 



446, cranial characters, inset 

 opp. 448; with C. c. frondator, 

 446, externa] measurements, 

 inset opp. 446; external meas- 

 urements, 447; measurements 

 of tails, 44S; cranial measure- 

 ments, 449; figure of: dorsal 

 view crania, 450; ventral view 

 crania, 451 ; posterior view 

 crania, 452. 

 Castoroididae, 458. 

 Cat, ring-tailed, 354. 

 Catfish, 62. 



Cathartes aura septentrionalis, 12:!. 

 Catherpes mexicanus conspersus, 86, 



90, 209. 

 Centurus uropvgialis, 65, 69, 75, 85, 



86, 133. 

 Cereideum torreyanum, 505. 

 Cereus giganteus, 85; picture of, opp. 



286. 

 Certhia familiaris zelotes, 387, 400; 



picture of habitat, opp. 396. 

 Ceryle alcyon, 68. 131. 

 Chaetura vauxi, 143. 

 Chalicomys, 458. 



Chamaea fasciata henshawi, 387, 403. 

 Chat, long-tailed. 204, 386. 

 Chen hyperboreus, 11. 



hyperboreus, 67, 116. 

 rossi, 11. 

 Chickadee, chestnut-sided, 387. 

 mountain, 387. 

 Oregon, 387. 

 Chickaree, Sierra, 375. 

 Chipmunk, Allen, 373. 

 Klamath, 373. 

 Sonoma, 321. 

 Chipmunk, A New, Eutamias sono- 

 mae, from the Inner Northern 

 Coast Belt of California, 321; 

 distribution of, in northwestern 

 California, 323. 

 Chondestes grammaeus strigatus, 167, 



383, 403. 

 Chordeiles acutipennis texensis. 69, 



77, 80, 81, 142. 

 Chuck-a-walla, 34. 

 Chuckwalla, 509, 510, 511, 522. 

 Cinclus mexicanus umcolor, 386, 405. 

 Cirrus hndsonius, 68, 72, 123. 

 Citellus douglasii, 349, 372, 404. 

 tereticaudus, 290, 542. 



tereticaudus, 65, 78, 80, 101, 224. 

 Climatological table for southern 



California, 504. 

 Cnemidophorus stejnegeri, 39, 40, 46, 

 47, 48, 49, 529. 

 tigris, 39, 47, 48. 

 tigris, 507, 509, 529. 

 undulatus, 529. 

 Coffee Creek, Trinity Countv, 342. 

 Colaptes cafer collaris, 69, "l34, 381, 

 404; measurements of, 138. 



chrysoides mearnsi, 65, 69, 85, 135; 

 measurements of, 138. 



Colorado Desert, fauna of, 65, 97; 

 climatic features of, 504; am- 

 phibians and reptiles of, 509. 



Colorado River, influence of: on 

 associatioual areas, 90; on dis- 

 persal, and differentiation, of 

 species, 97, 100; as an absolute 

 barrier, 101, 102; map of, opp. 

 274; view of, from Mellen, Ari- 

 zona, opp. 276, anil at The 

 Needles, 288. 



Colorado River expedition, plants se- 

 cured by, 53. 



Colorado salmon, 62. 



Colorado Valley, zonal and fauna] 

 position, 62; sectional profile of, 

 88, 89; influences of Colorado 

 River on, 90; isolation of, geo- 

 graphic, physiographic, and asso- 

 ciational, 99; degree of isolation, 

 102; birds, checklist of, 110-113, 

 general accounts of, 113; mam- 

 mals, check list of, 217. general 

 accounts of, 218. See also Asso- 

 ciational areas. 



Colorado Valley, Lower, An Account 

 of the Birds and Mammals of, 

 with Especial Reference to the 

 Distributional Problems Pre- 

 sented, 51. 



Coon, Pacific, 355. 

 pallid, 260. 



Coot, 121. 



Cormorant, Farallon, 114. 



Corvus corax siuuatus, 68, 86, 155; 

 measurements of, 156. 

 cryptoleucus, 155. 



Corvnorhimis macrotis intermedins, 

 320. 



pallescens, 87, 263, 320. 

 townsendi, 320. 



Cottontail, Arizona, 250. 



Cougar, northwestern, 360. 

 Yuma, 251. 



Cowbird, dwarf, 156. 



Coyote, desert, 254. 507; cannot eat 

 tortoises, 515. 

 mountain, 353. 



Crane, little brown, 120. 



< Ireeper, Sierra, 387. 



Creosote bush, 505. 



Crotalus cerastes, 44, 46, 48, 49, 507, 

 509, 511, 534. 

 lueifer, 44, 46, 4S, 49. 

 mitchelli. 44, 46, 48, 507, 509, 533. 

 ruber, 44, 46. 48, 49. 



Crotaphvtus collaris bailevi, 33, 46, 

 48, '507. 508, 521. 

 wislizenii, 34, 46, 47, 48, 507, 508, 

 522. 



Cucurbita palmata, 79. 



[548] 



