ÖFVERSIGT AF K. VETENSK.-AKAD. FÖRHANDLIJSTGAR 1899, N:0 Ö. 555 



ßßßß: Least depth of the tail less than 31 % of the 



distance between the origins of the lirst and 



tlie second dorsal lins. — Gob. quagga, Heck. 



ßßß'. Length of the ventral fin less than ^'^ of the length 



of the body. 



aaaa: Longitudinal diameter of the eye less than 



50 % of the length of the postorbital part of 



the head. — Gob. longecaudattis, Kessl. (= 



Gob. leopardinus, NoRDM.?). 



ßßßß'. Longitudinal diameter of the eye more than 



61 fo of the length of the postorbital part of 



the head. — Gob. qiiadrimaculatus, Cuv., Val. 



ßß: Number of scales in a transverse row between the origins 



of the second dorsal and the anal fins more than 12. — • 



PomatoscJiistus, GiLL. 



Longitudinal diameter of the eye less than 61 % of the 

 length of the postorbital part of the head. — Gobius mi- 

 ■mitus, Pall. 



