548 SMITT, ARRANGEMENT OF THE GENUS GOBIUS. 



64.9 ^, distance from the tip of the nose 

 to the first dorsal fin more than 95 %, 

 length of the ventral fin more than 54 % 

 of the length of the base of the second 

 dorsal fin; length of the ventral fin more 

 than 78 ^ of the length of the pectoral. 

 — - Goh. Weidemanni, Kessl. 

 hh) Length of the head less than 82.5 %, 

 length of the head reduced less than 

 64.6 %, distance from the tip of the nose 

 to the first dorsal fin less than 95 %, 

 length of the ventral fin less than 54 % 

 of the length of the base of the second 

 dorsal fin; length of the ventral fin less 

 than 78 % of the pectoral. — Goh. cyrius, 

 Kessl. 



ßßßß: Least depth of the tail more than 32»^ of the length of 

 the base of the second dorsal fin, which is less than 35 Yo 

 of the length of the body. 



aaaaa: Length of the base of the anal fin more than 43% 

 of the distance between the tip of the nose and 

 the beginning of the second dorsal fin. 



aaaaaa: Length of the nose more than 8 % of the 

 length of the body (without caudal fin). 

 — Gohius melanostomus, Pall. 



ßßßßßß: Length of the nose less than 8% of the 



length of the body. — Gohius ophiocepha- 



lus, Pall. 



1 : Length of the base of the second dor- 

 sal fin more than 33 % of the length 

 of the body (without caudal fin) — 

 forma lynx (Kessl.). 



2: Length of the base of the second dor- 

 sal fin less than 33 % of the length of 

 the body (without caudal fin). — forma 

 ophiocephcdus. 



