Page 



carbonic anhydrase 103 



role in calcification 103 



Carcinus moenas 439 



Carcinus, used as food for larvae 374 



Cardium, chemical composition of crystalline style. 225 



heart beat 250 



labial palps 114 



valves 24-25 



Cardium corbis 48 



Carlson, A. J., heart physiology 242 



heart regulation 250 



carmine cone method 144 



carmineathrocy tes 279 



Carriker, M. R., clam larvae 358 



conchs 433 



distribution of larvae 369 



drUls 430 



manner of opening shell by Busycon 435 



Ocenebra 435 



transport of larvae in estuaries 402 



Carter, G. S 137 



Carteria, food of larvae 374 



catch mechanism 165, 166 



crystallization hypothesis 167 



cells, secreting calcium 87-89 



cell lineage 345 



in Crassostrea gigas 348 



cellulase, absence in oysters 230 



cement film, in adductor muscle attachment 161 



Ceramiii ni 428 



cerebral ganglia, excision provokes spawning 312 



microscopic structure 288 



cerebro-visceral connectives 285 



miscroscopic structure 288 



Cerruti, A., fecundity of 0. edulis 313 



cessation of ciliary motion 146 



Chaetoceras sp 409 



chalky deposits 32,37 



importance 35 



Korringa's theory 34 



location of 32, 34, 35 



Chama 29 



chambering 35 



chambers, in shell of C. virginica 36 



Champia 428 



Chapman, W. Mc, Thais lamellosa 434 



chemical composition 381-382 



adductor muscle 161-164 



mud shells 43 



0. edulis 383 



proximate 381 



seasonal and local variation 381-382 



shell of C. virginica 43 



shell of 0. edulis 44 



Chestnut, A. F., proteolytic action in stomach 231 



Child, C. M., cell lineage 346 



Chipman, W. A 174 



glycogen 386 



method of recording water transport 188 



oil pollution 443 



460 



Page 



pulp mill pollution 443 



radioactive waste 445 



removal of plankton cells by the gills 194 



water propulsion by scallop 195 



York River plankton 409 



zinc absorption 390 



chitin, color reaction of Zander 222 



Chlainydomonas, food of larvae 374 



removal by gills 194 



Chlamys opercularis, closing of valves 165 



chloral hydrate, effect on cilia 141 



Chtoretla sp 374, 409 



Chlorella stigmatophora, as food of larvae 375 



cholesterol, in oysters 392 



Chondria 428 



Christensen, A. M., oyster crab 425 



starfish food used for bait 438 



chromosomes, diploid number 345 



number of 327 



ChromuUna pleiades, as food of larvae 375 



chronotropic effect of potassium 251 



Church, A. H., Colpomemia 429 



Churchill, E. P., Jr 65 



ciliation of labial palps 115 



cilia, frontal 129 



lateral 129 



laterofrontal 128 



rate of work 145, 146 



structure of 132 



ultrastructure 132, 133 



ciliary beat, after spawning 138 



control by temperature 137, 138 



frequency 137 



variations of 138 



ciliary currents, of mantle 90, 91 



on gill's surface 142 



ciliary motion, crawling method of measuring 142 



effect of chemicals 139-141 



in genital ducts 300 



nervous control of 136, 137 



spontaneous cessation 106, 107 



ciliary tracts 143 



on gill's surface 128 



ciliated cell, ultrastructure 134 



ciliated epithelium , of labial palps 111 



cilium, effective stroke 135 



mechanical properties 135 



recovery stroke 135 



Ciona intestinalis, oxygen uptake 211 



circulation 239 



circulation in estuary 401 



circumpallial artery 76 



circum pallial nerve 285 



connections 85 



microscopic structure 288, 289 



citrate, role in calcification 96 



clay, nephelenic gray, use in water filtration studies. 193 



cleavage 344-346 



spiral 347 



Cleland, K. W., gametogenesis 325 



ovogenesis in C. commercialis 326 



respiration of egg 344 



FISH AND WILDLIFE SERVICE 



