Page 



Cliona, manner of boring 420 



pathological effect of 421 



cloaca 71, 123 



closing during female spawning 306 



Cobb, P. H., labial palps of Anodonta 119 



Codium fragile, introduced to New England 429 



Coe, W. R., alternation of sex 314-316 



gametogenesis 325 



gonad development 315 



gonad histology 300 



number of chromosomes 327 



primord'al gonad 324 



sex classes at first breeding season 315,316 



sex ratio 324 



spermatogenesis 326 



spermatocytes of 0. lurida 327 



synapsis in spermatogonia 327 



coelom 271 



Cole, H. A., fecundity of 0. edulis 313 



gregariousness 373 



metamorphosis 366-368 



metamorphosis of 0. edulis 355 



pallial organ of spat 292 



rearing of larvae 369, 374 



setting 372 



Urosalpinx fertility 432 



collagen, in ligament 57 



tanning of 58 



collagenase, effect on adductor attachment 160 



Collier, A., effect of carbohydrates on gill activity. 197-199 



Collier, J. R., acrosomal reaction 341 



colloidal carbon, for study of ciliary currents 90 



colloidal graphite 115 



Colorado River, sedimentation at mouth 412 



Colpomenia sinuosa (oyster thief) 429 



Columbia Southern Corporation, analysis of shell.. 43 



Colwin, A., acrosomal reaction 341 



Colwin, L. H., acrosomal reaction 341 



commensals of oysters 420, 430 



commissure, cerebral 72, 284 



competitors, effect on productivity 430 



competitors, of oysters 420, 430 



conchoid curve 23 



conchiolin 37, 39 



amino acids content 41 



chemical composition 39 



in ligament 57 



in prismatic layer 39, 40 



in C. angulata a,nd 0. edulis T 41 



percentage in shell 40 



role in calcification 40 



staining properties 39 



test for chitin 39 



ultrastructure 39 



conchiolin gland 86, 88 



conchiolin secreting cells 86 



condition index 392 



in C. gigas 393 



in 0. lurida 393 



method of determination 392 



significance of 392 



SUBJECT AND AUTHOR INDEX 



Page 



Conklin, E.G., cell Imeage 346 



connective, cerebro- visceral 285 



microscopic structure 288 



connective tissue, of the mantle 79 



constant level tank, for measurmg water transport. 186 



Conway, experiments in rearing larvae 374 



copepods, parasites in bivalves 420 



copper 387 



accumulation in tissues 384 



cause of green color 388 



content artificially increased 388 



determination, Biazzo method 385 



histological localization 388 



copperas, use in feeding oysters 388 



corn starch, as food 235 



Corpus Christi Bay, Tex., sedimentation 412 



Costello, D. P., cleavage 347 



Coulson, E. J., iodine in tissues 383 



heavy metals in tissues 384 



Coupin, H., labial palps 114 



crab meat, ground, as fertilizer 235 



crabs, oyster enemies 439 



Crassostrea sp., acrosomal reaction 341 



generic definition 7 



ostia 127 



promyal chamber 123 



salinity tolerance 5 



striation in muscle fibers 154 



Crassostrea angulata, adductor muscle 154, 155 



ciliary tracts 143 



stomach histology 222 



torch bearing cells near gastric shield 222 



Crassostrea circumpicta, antigens 266 



Crassostrea commercialis, diagnosis of species 8 



gametogenesis 325 



glycolysis in muscle extracts 168 



inorganic salts in adductor muscle 162 



male spawning 310 



ovogenesis 326 



Crassostrea gigas, antigens 266 



chemical composition of crystalline style 226 



diagnosis of species 7 



hermaphroditism 314 



male spawning 310, 311 



setting 372 



spawning 309 



Crassostrea rhizophorae, diagnosis of species 7 



Crassostrea rivularis 28 



diagnosis of species 8 



Crassostrea Sacco 3 



Crassostrea virginica, cessation of ciliary motion. 146, 147 



ciliary tracts 143 



diagnosis of species 7 



effect of adrenalin on cilia 140, 141 



effect of atropine on ciliary motion 141 



gametogenes's 325 



salinity range 403 



setting in jars 373 



sorting of food by labial palps 114 



Creac'h, P. V., phosphorous in shells of 0. edulis.. 44 



creatine phosphate 167 



Creighton, C 82 



461 



