702 GEOLOGICAL SURVEY OF NEW JERSEY. 

 Family SYXGNATHIDJE. 



Pipefishes. 



Body long and slender ; snout tube-like ; gill openings reduced to 

 a small aperture ; tail long, with small caudal ; males with egg 

 pouch below tail or on abdomen. 



SIPHOSTOMA, Raf. 



(Syngnathus.) 

 S. fuscum, Stor. (peckianus, fasciatus, &c.) Common Pipefish. 



Body six or seven angled, not compressed ; tail long ; anals 

 minute; lower' jaw projecting; breast shields not covered by 

 skin; sides blotched; muzzle shorter than rest of 'head; dorsal 

 rays, 35 to 40, fin covering 4 + 5 rings ; length, 10 inches. 



" This is not common in New Jersey, but has been met with 

 in the Hackensack, Passaic and Raritau Rivers. It is much 

 more common in the Hudson." 



Family HIPPOCAMPIDJE. 



Sea Horses. 



With tail prehensile, without caudal fin ; head at right angles to 

 body axis, horse-like in appearance ; body compressed ; held vertically 

 in water. 



HIPPOCAMPUS, Raf. 



(Syngnathus.) 



H. heptagonus, Raf. (brevirostris, Isevicaudatus.) Mediterranean (?) Sea 

 Horse (antiquorum) . 



Body has tuberculated rings ; head with occipital crest ; neck 

 curved ; egg pouch a sac at base of tail in male ; color yellowish 

 brown, with radiating brown lines on cheeks ; white band across 

 snout ; sides with pale spots (in European specimens, not in 

 American) ; some of tubercles on back longer than intermediate 

 ones ; crest high, with five tubercles and filaments. Dorsal rays, 

 18; anal rays, 4; length, 5 inches. Rare. 



