SUBJECT INDEX 



Ceratostomella piliferum, 339. 



— pluriannulatum, 339. 



— spp. 109, no. 



— ulmi, 109, 338, 343. 



Cereals, estimation of aneurine in, 40. 



— , — nicotinic acid in, 222. 



Cerebral beriberi, 58. 



Cerebro-spinal fluid, nicotinic acid in, 

 262, 263, 



Chalara mycoderma, 106. 



Cheese, vitamin content of, 44, 165, 233, 

 364. 423, 537, 589. 



Cheilosis, 174, 324. 



Chestnuts, vitamin content of, 43, 233. 



Chick dermatitis factor. See Panto- 

 thenic acid. 



Chick pellagra, 133, 212, 239, 296. 



Chicken, vitamin content of, 44, 166, 



234. 363- 

 Chicks, feather formation in, 613, 614, 



— new growth factors required by, 



609. 



— vitamin deficiency in, 47, 170, 239, 



320, 368, 425, 484, 485, 486, 573, 

 590. 



— vitamin requirements of, 189, 329, 



378, 437, 506, 594. 

 Chicory, vitamin content of, 164. 

 Chilomonas paramaecium, 112. 

 Chlamydomonas orbicularis, 112. 

 Chloroflavine, 198, 199. 

 Chloroguanide, 510. 

 Chlorogonium tetragamum, 112. 

 Cholesterol fatty livers, 573, 582, 591. 

 Choline 



acetylation of, 391. 



analogues of, 603-605. 



animal and human requirements of, 



594-595. 

 cancer and, 592, 

 chemical constitution of, 585. 

 effect of deficiency in animals, 589- 



593. 



man, 593. 



estimation of, 586-587. 



fatty liver formation and, 582. 



function of, 598-603. 



human and animal requirements of, 



594-595- 

 in nutrition of micro-organisms, 596- 



597- 

 isolation of, 585. 

 metabolism of, 593-594. 

 methylation of nicotinic acid by, 254, 



255. 

 occurrence in foodstuffs, 587-589. 

 pharmacological action of, 595. 

 phosphoryl, 603. 

 properties of, 586. 

 recognition as vitamin, 582-584. 



Choline — {contittued) 



requirements of insects, 597. 

 synthesis of, 585. 



Choline esterase and folic acid, 526. 



Choline oxidase and folic acid, 527. 



Chondroitin, 619. 



— sulphuric acid, 619. 

 Chymotrypsin, 616. 

 Chymotrypsinogen, 617. 



Cihates, aneurine requirements of, 112. 

 Cinchomeronic acid, 3 - methoxy - 2 - 



methyl-, dimethyl ester of, 304. 

 Citric acid, 96, 387, 626. 



cycle, 626. 



Citrulline, 444. 

 Clams, thiaminase in, 26. 

 Clostridium acetobutylicum, 148, 149, 

 439, 547, 550, 555. 560, 562. 



— botulinum, in, 380, 439, 596. 



— butylicum, in, 148, 204, 283, 380, 



392, 439, 511. 55^- 



— felsineum, 556. 



— kluyveri, 439, 556. 



— saccharobutyricum, 581. 



— septicum, 387. 



— sporogenes, 622, 



— spp., 449, 450. 



— tetani, in, 204, 282, 340, 380, 439, 



509, 622. 



— welchii, 380, 

 Cocarboxylase, assay of, 38, 40. 



— , biological activity of, 94, 95, 125. 



— , chemical constitution of, 93. 



— , excretion of, 65. 



— , preparation of, 94. 



— , stability of, 26. 



Cockroach, 205. 



Coconuts, vitainin content of, 43, 164, 



233. 

 Cod, vitamin content of, 165, 233, 589. 

 Codehydrogenase I, 229, 275, 276, 278, 

 625, 627, 628. 



— II, 229, 275, 276, 278. 

 Coenzyme I, 229, 263, 276. 



— II, 229, 277. 



— A, 391. 



— R, 405- 



Coenzymes, members of vitamin B 



complex as, 629. 

 — "I and II, estimation of, 228, 229, 



262, 274, 289. 

 Coffee, vitamin content of, 235. 

 Colostrum, vitamin content of, 71, 165, 



233, 363. 

 Cooking, effect on vitamins in foodstuffs, 



44, 165, 235, 363, 423. 

 Coprophagy, 156. 

 Coproporphyrinuria, 244. 

 Coramine, 218. 

 Corcyra cephalonica, 115, 205, 342, 441. 



669 



