BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 27. AFD. IV. NIO 4. 21 



/i: Heigbt of the body at the beginning of 

 the anal fin usually less tban 22 per 

 cent of the distance of this fin from 



the tip of the lower jaw Ijycodes seminiidus. 



b: Ven trål lateral line most conspicuous . . Lycodes frigidus. 

 B: Length of the head less than 41 but raore 

 than 29 per cent of the length of the tail. 

 a: Length of the head usually more than 33 

 per cent of the length of the tail. 

 a: Heigth of the body at the beginning 

 of the anal fin usually more than 22 

 per cent of the distance of this fin 

 from the tip of the lower jaw . . . Lycodes Valilii. 

 /?: Height of the body at the beginning 

 of the anal fin usually less than 22 

 per cent of the distance of this fin 

 from the tip of the lower jaw . . . Lycodes pallidus. 

 b: Length of the head usually less than 33 



per cent of the length of the tail . . . Lycodes gracilis. 

 C: Length of the head less than 29 per cent of 

 the length of the tail. 



a: Distance of the dorsal fin from the tip of 

 the nose more than 22 per cent of the 



length of the body L^ycodes Sarsii. 



b: Distance of the dorsal fin from the tip of 

 the nose (in normal specimens) less than 

 22 per cent of the length of the body. 

 Cl: Height of the body at the base of the 

 pectorals more than 5 per cent of the 

 total length (with caudal fin) .... Lycodes Verrillii. 

 ti: Height of the body less than 5 per 



cent of the total length Lycodes murarna. 



