INDEX 



401 



Carduus, 292 

 Care of young, 114 

 Carex, 260 



filifolia, 291 



filiformis, 252 



pennsylvanica, 270, 272 



stenophylla, 252, 261 

 Caribou, 133 



migration, 200 



tundra, 120 



woodland, 123 

 Carnegiea, 283 

 Carnivora, 119 

 Carnivores, 80, 132, 134 

 Carnivorous habit, 131 

 Carp, 299. 301, 302, 306 



suckers, 302 

 Carpiodes, difformis, 300 



thompsoni, 306 



velifer, 300 

 Carrion, 133 

 Carj'a buckleyi, 279 

 Casuarina, 139 

 Catadromous fishes, 202 

 Caterpillars, 108, 138 

 Catfish, 301, 306 



channel, 300 

 Catonotus flabellaris, 308 

 Catostomus, commersonii, 300, 307 



nigricans, 308 

 Cattle, 125 

 Ceanothus, 139 

 Cecropia, 144 

 Censuses, 196 



methods, 355-358 

 Centrocercus urophasianus, 293 

 Cephalopods, 319 

 Ceptocephali, 319 

 Ceratium hinmdinolla, 301 

 Cercyonis alope alymus, 275 

 Cereus giganteus, 110 

 Chaetoplankton, 14 

 Chara beds, 307 

 Chauliodes, 322 



rastricomus, 231 

 Chelydra serpentina, 301 

 Chenopodium Ipptophyllum, 58 

 Chestnut blight, 238 

 Chestnut-collared longspur, 253, 265 

 Chickadee, 135 



Chimney swift, 135, 223, 225 

 Chinchbug, 130, 181, 182, 187-190, 275 

 Chipmunks, 126 

 Chipping sparrow, 220 

 Chironomidae, 299, 301 

 Chironomus, 178 



bathophilus, 177 



plumosus, 300, 305 

 Chitons, 328 

 Chlamydomonas, 140 

 Chlorogalum, 288 

 Chlorophyceae, 141 

 Cholera, 108 



Chondestes grammacus strigatus, 112 

 Chortophaga viridifasciata, 267 

 Chrysemys marginata, 301 

 Chrysothamnus, 292 

 Chthamalus dalli, 325, 328 

 Cicindela, auduboni, 266 



denverensis, 267 



formosa, 267 



formosa generosa, 231, 232 



fulgida, 268 



lepida, 147, 231 



limbalis, 231 



obsoleta, 266 



pulchra, 266 



purpurea graminca, 266 



repanda, 267 



scutellaris, 267 



sexguttata, 231, 276 



splendida, 267 



succession of, 8 



tranquebarica, 267 



venusta, 267 

 Ciliates, 140 

 Cisco, 307 

 Citellus, 243, 257 



13-lineatus, 274 



tereticaudus, 285 

 Cladocerans, 301 

 Cladophora glomerata, 308 

 Clam, 313, 333, 339 



beaches, 313 



worm, 333 



-worm community, 315 

 Climate, 27, 28, 174, 239 



California prairie, 286, 287 



coastal prairie, 278 



desert plains, 281, 282 



