Page 



quartet (quartette) of micro meres 345 



Quayle, D. B., effect of low salinity 405 



Quenstedt's muscle 17, 43, 70, 104 



quinine sulphate, detected by tentacles 294 



races of C. gigas 266 



radial muscles, contraction of 83 



relation to nerve 83 



radioactive plankton, use in experiments with gills. _ 194 



use in study of filtration by gills 194 



radioactive pollutants, in coastal waters 445 



radioactive waste 445 



Rahl fixative 101 



Rai, H. S 65 



injection of digestive system 219 



nervous system of 0. cucullata 281 



pallial organ 289, 291 



Randoin, L., vitamins in shellfish 391 



Rakestraw, N. W., anthrone method of carbohy- 

 drate determination 198, 199 



Ranson, G., absorption of food 231 



chalky deposits 32, 41 



classification of larvae 6, 364 



green oysters. 384 



retention of name of Gryphaea 3 



water filtration by oysters 193 



Rao, K. P., rate of water transport and size of 



California mussel 195 



Rappahannock River, Va., sedimentation 411 



Rassbach, R., periostracal groove 86 



rate of water transport by Black Sea mussels 191 



Raven, C. P., egg polarity 344 



mesoderm formation 348 



Rawitz, B., nerve cells 285 



nervous system 281, 283 



pallial curtain, function of 77 



pathways in ganglia 286 



periostracal groove 86 



Ray, S., Dermocystidium 416 



Reade, J. B., stomach content of oysters 231 



rectum 226 



red tide 409 



Redfield, A. G., adverse effect of unbalanced fer- 

 tilization 235 



pollution by duck farms 444 



Rees, C. B., bivalve larvae 357 



classification of larvae 364 



Reichel, H., contraction of muscle in Pinna 159 



Reiner, E. R., setting 372 



Reis, O. M., ligament 48 



Riesser, O., chemical composition of adductor 



muscle 161 



rejection reaction 169-170 



Remington, R. E., heavy metals 384 



renal duct 272 



renal opening 272 



reno-pericardial canals 239 



replacement of species, due to salinity changes 406 



reproduction 297 



reproduction, See organs of 297 



residual cells, in gonad 302 



SUBJECT AND AUTHOR INDEX 



Page 



resihfer ^g 



resilium ^g 



aragonite in g^ 



ultrastructure 53-54 



respiration 185,200 



in Woods Hole oj'sters 206 



methods 201-205 



in O. edulis 213 



in O. edulis and C. angulata 213 



related to shell movements 206 



respiration chamber of Keys 201 



respiratory quotient, R. Q 212 



seasonal variation 213 



Rhizosolenia 409 



riboflavin, in oysters 391 



Rice, T. R., zinc absorption 390 



Rice, T. R., radioactive waste 445 



use of isotopes in removal of plankton cells 



by gills 194 



Richards, M. B., manganese determination 385 



Richardson, H. B., respiratory quotient 212 



ridges, on labial palps 114 



erection of 115 



"right-handed" oysters 29 



Riley, G. A., organic matter in phytoplankton 408 



relationship of environmental factors 445 



Ritchie, A. D., adductor of Peden 164 



maintenance of tonus 166 



Roliert A., cell lineage 346 



Robertson, J. D., criticism of DeWaele's calcifica- 

 tion theory gg 



osmoregulation 278 



urine formation 274 



Roche, J., amino acids in conchiolin 41 



amino acids in shell 41 



Rochford, D. J., estuarine environment 401 



sorting of sediments 411 



roc k crab 439 



rootlets of cilia 133 



function of 133 



periodic striation 133 



ultrastructure of 132 



Rosenbluth, R., hypothesis of catch mechanism 167 



Roughley, T. C, anatomy of O. commercialis 65 



Polydora ciliata 422 



sex change 316 



Rubel, E., combined effect of factors 445 



Runnstrom, J., acrosomal reaction 342 



jelly coat of egg 341 



Russell, P. B., collagen fibers 58 



Ryder, J. A., blue cral:) — oyster enemy 439 



metamorphosis 366-367 



Sabatier, M.A., crystalline style 224 



Sacco, F., C. virginica 2,3 



Saccoglossus koumlewskii, acrosomal reaction 341 



Saez, F. A., paramyosin 133, 164 



Saint-Hilaire, C., role of digestive diverticula 229 



salinity and temperature changes, hydrographic 



cli mate 405 



475 



