838 CALIFORNIA ACADEMY OF SCIENCES. 



/. Fins plain, not distinctly mottled or barred; body 

 robust, its color plain brownish or with dark spots. 

 Coasts of Greenland. tunicatus. 



ff. Fins more or less mottled or barred, body mod- 

 erately elongate; lower rays of pectoral rather short, 

 not half head, not reaching beyond ventral disk; 

 body mottled, usually with concentric rings. Aleu- 

 tian Islands to Eastern Siberia. agassizii. 

 ee. Gill-opening rather large, extending downward to 

 about fourth raj' of pectoral; nostrils with short tubes; 

 lower lobe of pectoral long, reaching much beyond disk, 

 nearly to vent; color brown, the body and fins mottled 

 and clouded. Puget Sound. dennyi. 

 dd. Pectoral rays 42; gill-opening large, its lower edge below 

 upper part of pectoral; body robust; surface covered with 

 round yellowish spots. Aleutian Islands. cyclostigma. 

 aaa. Actinochir Gill. Vertebras about 52; dorsal rays 45 to 48; anal rays 

 38 to 40; pectoral rays 34 to 37; dorsal and anal largely joined to caudal, 

 gill-opening large, about one-third its length before pectoral; anterior 

 nostril tubular. 



g. Head broad, flattened above; body rather 

 elongate; skin usually with wavy, concentric 

 longitudinal streaks, sometimes spotted. Un- 

 alaska to Monterey. pulche.llus. 



gg. Head high, boldly rounded, with promi- 

 nent nape; color olivaceous, clouded and dot- 

 ted, but without wavy streaks. Coasts of 

 Greenland. major. 



Family BATHYMASTERID^. 



101. Ronquilus jordani (Gilbert). Plate xcix. 



Not common; occurring in deep water. Reaches a 

 length of 8 inches. A fine specimen presented by the 

 Young Naturalists' Society. 



The genus Ronquilus is distinguished from Bathymas- 

 tcr by its scaly cheeks, enlarged scales on lateral line, 

 and especially by its increased number of simple rays or 

 spines in the dorsal. 



Family GOBIID.F:. 



102. Gobius nicholsi Bean. 



Not rare about Vancouver Island. Not taken by us. 



