FISHES OF SINALOA. 417 



sembles the preceding, but its dorsal fin has but 20 rays, 



being placed on o + 5 rings. 



60. Hippocampus ingens Girard. Caballito de Mar. 



Rare in the harbor at Mazatlan, Three male specimens 

 and one female, each about six inches long, obtained. 

 Also recorded by Dr. Gilbert. 



D. 19. Rings about 11-I-36; dorsal on 3 + 2 plates. 



Spines on head and body high, with large fringed flaps 

 and with many small papilla. Every 3d to 5th tubercle 

 of dorsal series enlarged. 



Greatest depth ly^ to i^ in head. Tail longer than 

 rest of body. Snout moderate, 2-| to 2% in head, rather 

 longer than opercle, 2^ times eye. Shoulder girdle with 

 three tubercles; anterior spine on frontal triangle much 

 smaller than the others. 



Color blackish, unspotted, faintly barred with darker; 

 dorsal speckled with black and edged with white ; papillae 

 on body pale, giving an appearance of scattered whitish 

 dots everywhere; a white speck before eye; a faint trace 

 of radiating streaks behind it; one specimen further 

 dotted with black on body, the radiating streaks behind 

 eye distinct. 



Here described from an adult male, 6 inches long. The 

 female is entirely similar except that the body is much 

 more slender, the depth i| in head; the snout is longer, 

 as long as rest of head. 



The male specimens agree fairly with the description 

 of Hippocampus ingens. The female evidently corre- 

 sponds to Hippocampus gracilis Gill. 



Family FISTULARIID^. 

 61. Fistularia depressa Giinther. Corneta. 



Common in the Bay at Mazatlan; many specimens 

 taken with the seine in shallow water. Also, found in 



