SUBJECT INDEX 



509 



Clover-blossom blight, 443 



Club root of crucifers, 160, 161, 398 



Clupea harengus, 462, 471 



Coal, 485 



"Coal balls," 478, 479, 487 



Coal Measures, 480, 483, 487 



Cobalt, 16 



Cocarboxylase, 41 



Cocci, pyogenic, 284 



Coccidioidal granuloma, 367 



Coccidioides, 370 



immitis, 361, 368, 391, 437 

 Coccobacteria septic a, 257, 273 

 Coccomyces, 49, 252 

 Coccospora agricola, 434 

 Codiwn mucronatum, 461, 473 

 Coelomyces stegomyiae, 444, 456 

 Coenzymes, 41^2, 57, 61 

 Coffee, 138 

 Coffee rust, 177 

 Coleoptera, 173, 174 

 Coleosporiaceae, 485 

 Coleosporium, 333, 408, 485 



campanulae, 199 



petasitidis, 199 

 Colletotrichum, 4, 216, 238, 243, 437 



circinam, 242, 245 



falcatum, 175 



gloeosporioides, 143, 239, 255, 291 



gossypii, 159, 229, 410 



lagenarium, 99, 145, 150, 178, 223, 

 410 



lindemtithianum, 99, 109, 178, 179, 

 224, 238, 239, 255, 260, 273, 

 275, 276, 281, 410 



lint, 35 



nigrum, 243, 281 



phomoides, 145, 149 

 Collybia 



albuminosa, 454 



cirrhata, 138 



dryophila, 172, 201 



longipes, 138 



radicata, 158, 409 



tuber osa, 138 



velutipes, 26, 33, 102, 328, 339, 352 

 Colon-tvphoid organisms, 284 

 Colorimetric method of pH meas- 

 urement, 154-155 

 Columbium, 16 

 Comatrichia, 398 



nigra, 397 

 Compositae, 298 



Conifers, 269, 308, 397, 398, 405, 410, 



437, 443, 478 

 Coniophora cerebella, 44, 100, 102, 



155 

 Coniothyrium, 144 

 Conjugate nuclear division, 318 

 Copper, 10, 11, 13, 14, 15 

 Coprinus, 176, 202 



atramentarius, 158, 200, 339 



comatus, 166, 200, 228, 230, 339, 

 351, 352 



ephemerus, 329 



fimetarius, 328 



lagopus, 174, 206, 328, 330, 337, 

 338, 450, 455 



micaceus, 158, 228, 230, 339 



plicatilis, 111 



rostrupianus, 328, 338 

 Coprophilous fungi, 176, 177, 182, 



191, 203, 321, 399, 404 

 Coral fungi, 339 

 Corals, 459 

 Cordyceps, 444, 445 

 Corkv tissue, 247 

 Corn; 240, 303, 360, 399, 405 



borer, 445, 450 



ear rot, 410 



smut, 231 

 Cornell University, 420 

 Cornus sanguined, 403 

 Cornutine, 358 

 Corticium 



chrysocreas, 102 



coeruleum, 138 



effuscatum, 102 



vagum, 110, 121, 273 

 Cortinarius 



bivelus, 302 



calisteus, 303 



collimtus, 302 



multiformis, 302 



proteus, 302 



violaceus, 158, 302 

 Cory his avellana, 302 

 Cosmic rays, 123, 124 

 Cotton, 49, 108, 239, 242, 401, 403, 



410, 412 

 Cotton blue, 248 

 Cottonwood, 397, 398 

 Cottony cushion scale, 447 

 Covered smuts, 272 

 Cowpea, 401 

 Cozymase, 41 



