INDEX 



397 



Sabellaria vulgaris, 149 

 Saccoglossus kowalevskii, 159, 161, 



164 

 Salisbury, G. W., 73, 81 

 Salmon, 56, 73 

 Salmonella piiUorem, 352 

 Sapsford, C. S., 89 

 Schartau, O., 26, 27, 31, 39, 52, 55, 



56 

 Schechtman, A. M., 345, 346 

 Schenk, S. L., 110 

 Schneider, W. C, 270, 274 

 Schonmann, H., 218 

 Schott, R. G., 79 

 Schotte, O. E., 202 

 Schrader, F., 3 

 Schroder, V., 82 

 Schultz, J., 202, 204, 207, 222 

 Sciara, 188, 204 

 Scott Blair, G. W., 79 

 Sea urchin, 140, see also individual 

 species 



cytoplasmic particles in eggs, 270 



effects of enzyme-blocking on 

 eggs, 336 



enzymes in development of, 278 



euglobin from eggs, 305 



fluoroacetate effect on eggs, 337 



Golgi bodies in eggs, 264 



gradients in eggs, 270 



inhibition of cleavage in, 356 



LiCl effect on embryos, 291 



mitochondria at different stages of 

 development, 264, 281, 332 



p-pyruvate effect on eggs, 337 

 Seaweeds, 85 

 Seidel, F., 188 

 Selenite, 326 

 Selivanova, O. A., 82 

 Semen, 72-76, 80, 82, 83; see also 



Sperm 

 Seminal plasma, see Semen 

 Sera, see also Antisera 



cytopathogenic, 363 



reticulo-endothelial immune, 354 

 Serum albumin, 347, 352 

 Serum globulin, 347 

 Setlow, R. B., 191-193 



Sex determination, 177 



Sex substances, classification of, 24- 



25 

 Shapiro, H., 116, 117 

 Shaver, J. R., 263, 264, 266-268, 

 270, 273-276, 281, 284, 313, 

 333 

 Sheep, 76-79, 82, 90, 91, 120 

 Shelton, E., 281 

 Shengun, A., 206, 207 

 Shettles, L. B., Ill 

 Shumway, W., 231 

 Siekevitz, P., 278 

 Sieve, B. F., 125 

 Sigurdsson, B., 357 

 Silk protein, 342 

 Simmonds, S., 81 

 Simpson, L. O., 352 

 Skreb, Miss, 194 

 Slautterback, D. B., 40 

 Slime mold 



effect of antisera against, 366 

 Smellie, R. M. S., 11 

 Smiles, J., 87 



Smith, A. U., 83, 93, 110, 114 

 Smithberg, M., 90, 120 

 Snell, G. D., 352 

 Snyder, F. F., 79 

 Sobotta, J., 121 

 Soderwall, A. L., 77 

 Sodium thiomalate, 293 

 Sonneborn, T. M., 222, 368 

 Sonnenblick, B. P., 177, 181, 189 

 Southwick, W. E., 55, 56 

 Spar, I., 345, 348 

 Sparrow, E. M., 363 

 Specificity 



genetic, transfer of, 16 



structural, RNA as carrier of, 19 

 Speicher, B. R., 177, 185 

 Spemann, H., 201, 202 

 Spencer, R. R., 357 

 Spensley, P. C, 87, 90 

 Sperm, see also Semen 



antagglutin for, 83, 88, 126 



mammalian, fertilizing capacity, 

 79, 111 



midpiece, 31 



