TABLE 8. A TABLE OF MATURITY SCALES FOR FISH (CONT'D). 



Species 



Criteria, on which the descriptions are based 



Whiting (Odon- Color and transparency of the membrane of the ovary, 

 togadus mer- vacuolization of the protoplasm of the ovocytes . 

 langus) 



Author 



Hickling(1935) 



Abramis 

 bra ma 



Volume of the ovaries, development of the oviducts 

 (egg-carrying strings), distribution of yolk and dev- 

 elopment of the membrane of the ovocyte . 



Gryazeva(1936), Sup- 

 plemented the scale 

 of Nedoshivin with 

 microscopic descrip- 

 tion. 



Engraulis en- Color and transparency of the membrane of the ovary, 



crassicholus form , volume of the ovary . 



Don herring Color of the gonads, transparency of the eggs, degree 



( Alosa pontica ) of filling of the body cavity by the gonads, maximum 

 size of the eggs, development of blood vessels. 



The Kam stur- Degree of filling of the egg cells with yolk. 

 geon ( Acipen- 

 ser ruthenus) 



Murmansk herr- 

 ing (C_. h. har - 

 engus ) 



Vobla (Rutilus 

 rutilus cas- 



picus) 



Presence of a certain complex of ovocytes in various 

 phases of development, color and transparency of 

 the membrane and ovary . 



As for perch, with addition of the transparency of 

 the ovocytes . 



Kuz'min (1935) 



Talin(1936). Based 

 on the scale of 

 Klselev. 



01jshvang(1935). 

 Supplemented the 

 scale of Nedoshivin 

 with a histological 

 description except for 

 stages IV and V . 



Naumov (1939). The 

 different stages of 

 maturity were distri- 

 buted in time and 

 space. 



Meien(1939). Supple- 

 mented the sciile of 

 Nedoshivin with a 

 histological descrip- 

 tion except for stages 

 Vand VI. 



Mirror carp Diameter of the nucleus of the ovocytes, vacuoliz- 



( Cyprinus ation of the protoplasm, structure of the membrane 



carpio) of the ovocytes. 



Gerbil'skiy (1939). 

 Slightly different from 

 the scale of Meien for 

 perch. 



Sterlet ( Aci - Color of the ovaries, transparency, pigmentation of 



penser ruth- the eggs, diameter of the ovocytes and nuclei, pres- 



enus) ence of ovocytes in various phases of development. 



Lukin, Molchanova 

 (1941). In principle 

 different from Meien's 

 scale for teleosts. 

 Molchanova supple- 

 mented the scale of 



230 



