288 CALIFORNIA ACADEMY OF SCIENCES. 



Ventral fins not reaching the anal, 2 in the head. 



Pectoral spine 1^ in the head, the outer margin and 

 sides smooth, the inner margin strongly serrate. 



Top of head with two series of four pores each, the 

 second pore in both series situated between the posterior 

 nares; the four posterior pores marking a rhomboidal 

 figure; other pores on sides of head and humeral region. 



Back and top of head light brown; back without dis- 

 tinct spots, the sides abruptly lighter; humeral region 

 with numerous brown dots; upper caudal lobe and two 

 spots on base of caudal fin brownish. 



Head ih-4\; depth 5-6; D. I, 6; A. 17-19; V. 8; P. I, 7. 



Three specimens .10-. 11 m. Jequitinhonha. Hartt 

 and Copeland. 



228. Felichthys flavescens. 



Felichthys jiavescenx Eigeum. & Eigeum. Proc. Cal. Acad. 2d Ser. i, 



152, 1888 (Eio San Francisco). 

 Habitat: Bio San Francisco. 



Elongate compressed, tapering rapidly to a slender 

 caudal peduncle; depth everywhere much greater than 

 the width. Head short and deep, its greatest depth lit- 

 tle more than its greatest width which is l-J- in the length 

 of the head; width at the rictus 2; head covered with 

 loose skin, the surface of the bones not evident; frontal 

 bones not swollen nor honeycomb-like; frontal fontanel 

 open in front, extending backward to about the center 

 of the eye. Occipital process 3 times as broad as long. 

 Dorsal plate very widely forked in front, its width at the 

 narrowest place more than twice its length on a median 

 line; the posterior portion of the head strongly convex 

 in a transverse section. Four pores on the snout, no 

 conspicuous pores on sides or top of head. 



Eye longer than snout, 3i in the head. If in the inter- 

 ocular. 



Maxillary barbel reaching to near tip of pectoral; 



