39 FISHES OF SINALOA. 4II 



the head: shortest caudal ray 2 l /> in longest. Pectorals 

 not reaching- ventrals, 1^ in head. Both anal and dorsal 

 fins preceded by a rudimentary spine, not half length of 

 first true ray. 



Color translucent, with a distinct broad silvery stripe as 

 wide as the eye, growing more diffuse at lower anterior 

 edge, narrowing on caudal peduncle, and becoming fan- 

 shaped on the base of caudal. Tip of snout black; a 

 distinct median band of black specks extending from tip 

 of snout to base of caudal. No distinct black markings 

 on tins. 



Length, 3 inches. Type, No. 2941, L. S. Jr. Univ. Mus. 



Found in the Astillero at Mazatlan, not very abundant. 



Named for Mr. Norman Bishop Scofield, a member of 

 the Hopkins expedition to Sinaloa. 



50. Anchovia* macrolepidota (Kner & Steindachner). 

 Originally described from the neighborhood of Panama ; 



recorded by Dr. Gilbert from the Bay of Mazatlan, but 

 not seen by us there; apparently rare. 



Family SYNODONTID^. 



51. Synodus scituliceps Jordan & Gilbert. Caiman. 

 Not very common, on sandy bottoms in the Bay, where 



the species was originally found by Dr. Gilbert; also 

 recorded from Panama. 



Color brown, with markings of pale bluish green. No 

 yellow anywhere. 



52. Synodus jenkinsi Jordan & Bollman. 



Not rare, occurring in deeper water than the preceding 

 and reaching a much larger size. The two species are 

 very closely related, but seem to be distinct. In Synodus 



* Anchovia (Jordan & Everrnaun, Fishes of North America), is a new 

 generic name applied to this species, distinguished from Slolephorus by its 

 robust form and the absence of teeth in the adult. 



