SUBJECT INDEX 



Fibrin, cattle, 98 

 Fish, visual pigments of 

 anadromous (fresh water spawning), 



34-35 

 Black sea bass {Centropristes 



striatus), 33-34 

 Bleak {Albumus lucidus), 169, 171- 



175, 178-179 

 Blue gill {Lepomis pallidus), 34, 40 

 Bream {Abramis brama), 28-30 

 Brook trout (Salvelinus fontinalis), 



37 

 Brown trout (Salmo fario), 28-30 

 Burbot {Lota vulgaris), 28-30 

 Calico bass {Pomoxis sparoides), 



34-35, 40 

 Carp (Cvprinus carpio), 28-30, 34- 



36, 39^1, 148-150, 163-164, 175, 



178-179 

 catadromous (marine spawning), 35 

 Eel (Anguilla rostrata), 37 

 environment, correlation with, 35-37 

 euryhaline, 35-37 

 freshwater, 28-30, 34 

 Killifish (Fundulus heteroclitus), 33- 



34,37 

 marine, 34 



Perch {Perca fiuviatilis), 28-30, 41 

 Pickerel {Esox reticulatus), 34-35, 



40-41 

 Pike (Esox lucius), 28-30, 39-41, 



158-160, 169, 172, 174, 178 

 Pike-perch {Lucioperca sandrd), 28- 



30 

 Rainbow trout {Salmo irideus), 169- 



171, 178-179 

 Scup {Stenotomous chrysops), 33-34 

 Sea robin {Prionotus carolinus), 33- 



34 

 Smooth dogfish {Galeorhinus laevis), 



36 

 Spiny dogfish {Squalus acanthias), 



34-37 

 Tench {Tinea tinea), 28-30, 56, 158- 



162, 169, 178-179 

 White perch {Morone americana), 



45^7 

 White perch {Perca flavescens), 32, 



34, 37, 40 

 Flavin, 97 

 Flounder, Sand {Lophopsetta macu- 



lata), 36 

 Formaldehyde, reaction with amino 



groups, 112 



21 



Formamide, inertness to retinencj, 



106-107 

 Frog (see also Amphibians, visual pig- 

 ments of) 

 green-rod pigment of, 190-192 

 green rods of, 187-190, 192-193 

 pink (visual purple) rods of, 187, 

 188, 193 

 Fumaric acid, 127 



Fundulus heteroclitus (Killifish), 33-34, 

 37 



Galeorhinus laevis (Smooth dogfish), 36 



Ganglion cells, 4-5 



Gecko, 28 



Gelatine, reaction with retinenci, 106 



Glutamic acid, reaction with retinencj, 



106 

 Glutathione, reaction with PCMB, 118 

 Green-rod pigment, 190-192 

 Green rods, 187-190 

 Grotthuss-Draper Law, 62 

 Guinea pig (albino), 201 



Haddock {Melanogrammus aeglifinus\ 



36 

 Haemocyanin, 96 



Haemoglobin, 11, 22-23, 90, 96, 98 

 Halibut, 36 



Herring (Clupea harengus), 36 

 Hexatrienes, cis-trans isomers of 128 

 Horizontal cells, 4 

 Human visual purple (rhodopsin), 



22-23 

 Hydrogen-chlorine reaction, 64-65 

 Hydroxylamine, inhibitor of rhodopsin 



synthesis, 116 

 Hyla arbor ea (Tree frog), 28 



Impurities, eff'ect of, on Amax of visual 



pigment extracts, 39-41 

 Indicator yellow (see also visual yellow 



and retinene), 43, 45, 51-55, 84, 



104-115, 118, 121-122, 185 

 analogues of, 105-108 

 confusion of acid form with transient 



orange, 115 

 density spectra of, 51-52 

 first stable photo-product, evidence, 



109-114 

 formulae proposed for, 107-109, 122 

 hydrolysis of, to retinene, 113 

 pH, effect of, 51-52, 54 

 retinenCi, relation to, 53, 104-109 



1 



