45 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 + 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 i T V to 1^ in head. Tail longer than 

 rest of body. Snout moderate, 2i 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 ; papilla? 

 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 if 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 FISTULARIIDv^. 

 61. Fistularia depressa Giinther. Corneta. 



Common in the Bay at Mazatlan; many specimens 

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



