42 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 9 



Ghaenopsidae Eel-like Blennies 



Stathmonotus culebrai, new species 

 Plate 5, Fig. 5 



Holotype. — Calif. Acad. Sci. No. 5745. 



Type locality. — One specimen from Port Culebra, Costa Rica, Feb- 

 ruary 24, 1934. Length 30 mm. 



Head 5, depth 7 into standard length. Dorsal XLII ; anal II, 24. No 

 scales or filaments. No lateral line. Caudal distinct. Gill membranes 

 broadly united and free of isthmus. Mouth oblique. Teeth short, stout, 

 and sharp pointed, in 2 rows in upper jaw and on front of lower jaw. 

 Eye large, about equal to snout. Ventrals jugular with 2 rays and a 

 spine. Pectorals 2.5 in head. Origin of anal on a line with 16th dorsal 

 spine. Origin of dorsal on a line with mid-length of pectorals. Color in 

 alcohol dark brown, almost black, with white spots on head; these are 

 round and about the size of the pupil. Pectorals and ventrals with 3 white 

 bands. Dorsal and anal with a narrow margin of white. 



Cerdalidae Elongate Blennies 



Cerdale bilineatus Clark 



One from Seymour Island, Galapagos, January 15, 1939. Length 47 

 mm. An elongated eel-like blenny distinguished by the 3 black stripes of 

 about equal width from the head to caudal ; these are as follows : one from 

 snout to base of caudal over the back, one on each side from tip of lower 

 jaw to tip of caudal fin. The body color is usually a bluish white. This 

 species is closely related to Petrocirtes rhinorhynchus Bleeker. Our speci- 

 men, however, has the head 9.30 and the depth 13 into standard length. 

 There are no scales or filaments. The teeth are rounded and directed 

 backwards. 



Brotulidae Brotula 



Ogilbia V entrails (Gill) 



One from Seymour Island, Galapagos, January 14, 1932. Length 50 

 mm. Uniform yellowish white. No barbules. Small teeth in bands. Eye 

 small. Caudal entire. 



