Page 



salinity, adaptation to 405-406 



effect of sudden change on oysters 405 



effect on oxygen uptake 211 



effect on oyster populations 406 



effect on specific gravity of blood 265 



effect on water transport 406 



inhibition of gonad development by low- 

 salinity 405 



range of tolerance 404 



salinity factor, evaluation 406 



salinity gradient, effect on distribution of larvae 369 



salinity range, Venice system 404 



Sandoz, M., oyster crab 425 



sarcoplasm 154 



Sarlet, H., amino acids 391 



Savage, R. E., food of 0. edulis 232 



Saville-Kent, W., 0. mordax 16 



Sawano, E., but\Tase in crystalline style 230 



starfish stomach extract 438 



Saxidomus giganteus, crystalline style, chemical 



composition 226 



enzymes 229 



scallop, respiration 205 



scallop (Aequipecien), water propulsion by gills 195 



Schaefer, M. B., setting at different angles 372 



Scheer, B. T., general physiology textbook 167 



Schiedt, R. C, pigmentation 279 



Schizoporella unicornis 427 



Schizolhaerus nutalii, crystalline style, chemical 



composition 226 



Schlosstjerger, J., analysis of conchiolin 39 



Schmidt, W. J., calcite crystals in prism 37 



prismatic layer of shell 93 



structure of cilium 132 



Schmitt, F. C, nervelike apparatus of gills 137 



rootlets of cilia 134 



Schmitt, F. O., paramyosin in oyster 164 



Schwalbe, G., diamond lattice pattern in adductor 



muscle fibers 154 



Schwaneke, H., blood supply of palps 113 



Scytosiphon 428 



sea water, diluted, effect on mantle 294 



quantity required by oyster community 403 



sedimentation. 410 



destructive to oyster beds 412 



effect on oysters 412 



sedimentation factor, evaluation of 415 



sediments, biochemical changes 413 



sediments in suspension, determination of 414 



sediments, sorting of 410-411 



suspended- 410-411 



self-fertilization 315 



Seligman, A. M., cytochemistry 344 



Semichon, L., glycogen in vesicular cells. 83 



sensory stimulation 293-294 



apparatus for study. . 293 



Seo, A., nervous control of ciliary motion 137 



serological differences in bivalves 266 



serological studies, absorption tests 266 



serology 265-266 



476 



Page 



setting 365-368 



abundance 359 



on under and upper surfaces 372 



settlement, of larvae 365 



sewage, domestic 442 



effect on oyster bottom 449 



sex, alternation of . . 317 



sex change 314-317 



effect of excision of gills 3ig 



frequency in adults. 317-318 



in Crassostrea oysters 316 



sex classes at first breeding season 315 



sex, recognition of 71 



recognition of by inducing spawning 316 



sex ratio 314 



at first breeding season 314-315 



in sex reversed oysters 317 



sex cells, release of 303-304 



sexual phases 314 



Seydel, E., toxicity of crude oil 444 



shape of shell, index 29 



Shaw, B. L., gastric shield 223 



stomach histology .. 222 



Shaw, W. N., raft culture 428 



Sheepscot River, Me., abrasion of oyster shells 403 



shell, analysis by Columbia Southern Corp 43 



area and height 30-31 



as buffer 212 



C. virginica 16 



chemical composition 43 



circular 27 



contour of 23 



dimensional relationship 29 



gland 355 



height 18 



larval 363 



length 18 



morphology 4, 16,363 



M\ja arenaria, strontium/calcium ratio 44-45 



O. edulis, chemical analysis 39 



O. edulis, chemical composition 44 



organic material of 39 



organic matrix 92-93 



phosphates 44 



pigmentation 20 



prin cipal dimensions 20 



rate of secretion 92 



right and left 16 



shape of 21 



structure 36 



terminology 36 



thickness 18 



variability 18 



width 18 



shell disease 417 



shell heap 440 



shell liquor 68 



shell movements 168 



after spawning 174 



alleged effect of carbohydrates 199 



during male spawning 310 



FISH AND WILDLIFE SERVICE 



