Index 



229 



Fish semen {see also individual 

 species), pH and dilution effects, 

 60, 74-5; proteins, 85-6, 106-9; 

 amino acids, 113; lipids, 124-5; 

 cholesterol, 124; nucleic acid, 

 104-5 



Fisswella barbadensis (limpet), 

 sperm nucleic acid, 104 



Flagellum, see sperm-tail 



Flavin, in semen, 22, 33 



Flavonol pigments, in plant gam- 

 etes, 72; as inhibitors of hyalur- 

 onidase, 98 



Florence's reaction, 168 



Fluoride, effects on sperm and 

 enzymes, 50-2, 56, 121, 156, 158 



Foetal fluids, fructose, 134 



Formaldehyde, effect on sperm, 57 



Forsythia, cross-pollination, 72 



Fowl semen {see also cock and 

 turkey), 9, 11, 49, 59, 60, 65, 105 



Fox semen, 2, 44, 50 



Fractions in semen ejaculate, 35-8 



Freezing of sperm, 54, 63-5, 94 



Freezing point, and osmotic pres- 

 sure of semen, 34-5 



Frequency of ejaculation, effect on 

 semen, 34-5 



Frog sperm, irradiation effects, 59; 

 pH and dilution effects, 60, 73; 

 survival after freezing, 63-4; 

 cytochrome, 90; nucleic acid, 105 



Fructolysis, 46-53, 151-9; index, 

 46; relation to sperm density, 

 motility and survival, 46-7, 151- 

 3; after irradiation, 59; after 

 temperature-shock, 63; inter- 

 mediary enzymes and coenzymes, 

 153-9; effect of adrenaline, 182; 

 effect of thiol reagents and ergo- 

 thioneine, 176-8 



Fructose, in semen and accessory 

 organs, 16-24, 30-7, 135-8, 191; 

 site and mechanism of formation, 

 16, 121, 137-8, 149-151; utiliza- 

 tion, 37, 46-7, 52-3, 150-9; in 



accessory gland transplants, 143- 

 4; in gynogamone mucoprotein, 

 71; in diluents, 65, 78, 79; rela- 

 tion to quality of semen, 138, 

 143, 193; relation to glucose, 

 146-51; relation to inositol, 192; 

 relation to androgens, 139^9; 

 after castration, and hypophy- 

 sectomy, 139-46; after scrotal 

 application of heat, 62; after 

 vasectomy, 138; in diabetes, 

 146-8; relation to insulin, 146-8 

 Fructosediphosphatase, 121 

 Fructose test, for androgens, 68, 



139^6, 186 

 Fucaceae, chemotropic substances, 



72 

 Fucose, in gynogamone mucopro- 

 tein, 71 

 Fumaric acid, and chemotaxis, 72 

 Fungi, pigments in gametes, 72 



Gadushistone, 108 



Galactose, in gynogamone muco- 

 protein, 71 



Galea capitis, 12-13 



Gamones, 69-73 



Gastrophilus intestinalis, fructose in 

 haemolymph, 136 



Gelatin, in semen diluents, 80, 81; 

 effect on sperm, 65 



Gelatin-liquefying enzyme, 96 



Gelation of semen, 28-31, 35, 184 



Gillichthys mirabilis (goby), protein 

 in the vesicular secretion, 22 



Glandula vesicularis in rabbit, 21; 

 fructose, 138; citric acid, 185 



Globulins, seminal, 112 



Glucose, in semen and accessory 

 secretions, 21, 33, 137; utiliza- 

 tion, 52-3, 150^-9; in gynogamone 

 mucoprotein, 71; in diluents, 55- 

 7, 65, 80-1; relation to fructose, 

 121, 146-51, 157; in egg yolk 

 and follicular fluid, 157; relation 

 to inositol, 192 



