Pag« 

 Weber, H. H., chemical changes in muscular con- 

 traction 167 



ATP (adenosinetriphosphate) function in 



muscular contraction 167-168 



weight, of oysters 21 



weight of meat, seasonal variation in 0. edulis 383 



Weiss, P. A., embryology textbook 347 



Wells, W. F., rearing of larvae 374 



Wentworth, J., protein in oyster meat 391 



Wenyon, C. M., structure of cilia 132 



Werner, B., veliconcha, name for oyster larva 358 



Westley, C. E., condition index 393 



Weston, W. H., fungi, parasites on larvae 376 



Wetzel, G., conchiolin in shells 39 



Whaley, H. H., vertical distribution of larvae 402 



Wharton, G. W., oyster bottoms 398 



Stylochus 438 



Whipple, D. v., effect of pH on oyster cilia 140 



oxygen consumption 201 



oxygen tension effect on respiration 214 



vitamins in C. virginica 391 



Whitman, C. O., cell lineage 346 



Wilbur, K. N., calcification 99, 103 



shell formation 88 



Wilhelmi, R. N., precipitation reaction 266 



willeniite, use in study of ciliary currents 90, 115 



Willier, B. H., embryology textbook 347 



Willis, V. M., radioactive waste 445 



Wilson, A. J., water transport by gills and carbo- 

 hydrates 200 



Wilson, E. B., cell lineage 346 



Windsor, D. A., acetylcholine action on heart 252 



Winton, F. R., tonus in muscle 166 



Wiweantic River, Mass., sedimentation 411 



Woelke, C. E., Pseudoslylochus 439 



Wood, J. L., Haplosporidium costale 417 



Woods, F. H., ovogenesis 326 



primordial germ cell 299 



work of lateral cilia 145 



Wright, E. R., shell analysis 44 



X cell (first somatoblast) 348 



X-ray analysis of shells 103 



Page 



xerophtalmia 391 



Yakina River, Oreg., transport of larvae 402 



Yazaki, M., specific gravity of blood 265 



yeast, use in feeding experiments 234 



yield of oysters 382 



local variation 382 



yolk nucleus-- 325 



Yonge, C. M., absorption of glucose 231, 235 



anatomy 65 



boring clams 456 



cast of digestive system 219 



ciliary currents 142 



ciliary tracts of stomach 220 



crystalline style present in healthy oysters. . 225 



digestion __ 229 



digestive diverticula 226 



enzymes of blood cells 264 



gastric shield formation 222 



gregariousness of larvae 373 



labial palps 115, 118 



lipase 230 



pll effect on cilia of Mya 140 



pH in gut 230 



secretion in style sac 225 



shell morphology 26 



spawning of 0. edidis 305 



stomach 219 



veliger, O. edulis 356 



York River, Va., sedimentation 411 



quantitative plankton sampling 409 



Zander reaction, for chitiu . 222 



zebra mussel, neurosecretion 313 



Zinc 65, accumulation in tissues 387, 390 



zinc, determination by Birchner's method 385 



histological localization 390 



ZoBell, C. E., bacteria as food. 233 



zoospores of algae, as food 232 



Zostera marina 429 



role in feeding 233 



Zuman, P., dropping mercury electrodes 214 



480 



FISH AND WILDLIFE SERVICE 



U.S. GOVERNMENT PRINTING OFFICE; 1964 O — 733-851 



