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 1,4, to 1% in head. Tail longer than 
rest of body. Snout moderate, 24 to 24% 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; papille 
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 13 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 //zppocampus gracilis Gill. 
Family FISTULARIDZ. 
61. Fistularia depressa Giinther. CorNETA. 
Common in the Bay at Mazatlan; many specimens 
taken with the seine in shallow water. Also, found in 
