311 



Saha, N. N., 197 



Salisbury, G. W., 59, 69, 135, 289. 



290 

 Salvelinus 



sperm, 192 

 Seaman, G. R., 246 

 Sea urchin sperm 



creatine phosphate, 288 



energy expenditure, 18 



extracted flagellar models, 255- 

 258 



metabolism, 10 



motility, 3, 9, 14 



ultrastructure, 148, 159 



velocity, 3 



wave form, 14 

 Sekine, T., 178 

 Semen 



calcium binding, 75 



freezing point depression, 63, 69 



fructose, 61, 62 



ionic balance, 61, 62, 65 



pH, 70 



sodium-potassium ratio, 64 



sperm density, 100 



sulfite, 76 

 Serra, J. A., 23 

 Sodium 



genital secretions, 64 



metabolism, effect on, 65 



restoration of sperm motility, 195 



seminal plasma, 57 



sperm model, effect on, 258-259 

 Southeastern Pennsylvania Artifi- 

 cial Breeders' Cooperative, 

 Lancaster, 31, 100 

 Spawning, 93 

 Species-specificity, 135 

 Specific gravity, 21 

 Spectrophotometry, 95, 96, 100, 101, 



105, 113, 189, 194,202 

 Spencer, E. L., Jr., 101 

 Spermiogenesis, 157, 159 

 Spermosin, 182-184, 202 



Spiral sheath, see Fibrous sheath 

 Spirostomum 



cilia, 190 

 Spisula sperm 



ethanol inhibition of motility, 



126 

 respiratory enzymes, 100, 104, 109, 

 111-113, 119, 121, 123, 124, 126. 

 128, 129 

 Z Q , value, 112 

 Spronk, N., 101 

 Squid sperm 



ATP rejuvenation, 15 

 bending wave in relation to fibril- 

 lar pattern, 286 

 cell model, 256 

 three-dimensional wave, 264 

 wave propagation, 15 

 Stanford University, 31 

 Starfish sperm 



extracted flagellar models, 255- 



258 

 isolation of relaxing factor, 259- 

 261 

 Steady state 



diffusion, 139, 141, 142 

 metabolic, 101, 103, 114-116, 119 

 Steinbach, H. B., 55, 286, 287 

 Stentor 



cilia, 190 

 Substrate, see individual com- 

 pounds 

 Succinate 



respiration, effect on, 114 

 substrate, 109, 113, 115, 119, 121, 

 123, 129 

 Succinic dehydrogenase, 114, 172 

 localization in flagellum, 172, 185, 

 287 

 Sulfhydryl 



metabolism, effect on, 80-81 

 Sulfur 



metabolism, effect on, 79 



