410 SYNOPSIS. 



the same breadth as the anterior part of the body ; anal 

 aperture near the middle, the dorsal with one-third in ad- 

 vance of it ; colour olive-green, sometimes tinged with 

 yellowish brown. Sygnathus ophidion, Linn. Sygnathus 

 lumbrieiformis, Jenyns* Brit. Vert., p. 488 ; Yarr. Brit, 

 Fish., ii. 447. 



Sp. 208. A. lumbrieiformis. Worm Pipe or Needle-fish. 

 Nose very short and turned a little upwards ; eyes promi- 

 nent ; body nearly cylindrical, tapering at the hinder 

 extremity ; vent beneath the dorsal, about three-fourths 

 of that fin behind it, the dorsal containing about 30 rays ; 

 surface nearly smooth, colour dark olive-green. — Sygna- 

 thus lumbrieiformis, Yarr. Brit. Fish., ii. 450. Sygna- 

 thus ophidion, Little Pipe-fish, Penn. Brit. Zool.., iii. 

 p. 187, pi. 26. 



Gen. XCIX. Hippocampus. Snout tubular, with the mouth 

 at the extremity ; body laterally compressed, short, and divided 

 into longitudinal and transverse ridges ; both sexes with pec- 

 toral and dorsal fins ; females with an anal fin. 



Sp. 209. H. hrevirostris. Short-nosed Sea-horse. Pale ash- 

 brown, with variable tints of blue over the head and taiL 

 — Cuv. Reg. An. ; Jenym'' Brit. Vert., 452 ; Yarr. Brit, 

 Fish., ii. p. 452. 



ORDER VI. PLECTOGNATHI ; OR FISHES WITH 

 SOLDERED JAWS. 



Fam. XXIV. GynmodontidcB. Fam. with naked Teeth. Both 

 jaw9 covered with a substance resembling ivory, which is either 

 entire or divided in the middle by a suture, and serves tlie purpose 

 of teeth ; maxillary firmly attached to the side of the intermaxil- 

 lary, which alone forms the jaw ; palatine arch immoveable. 



Gen. C. Tetrodon. Jaws divided in the middle, producing 

 the appearance of four teeth, two above and two below ; body 

 capable of inflation, and beset on the under side with spines. 



Sp. 210. T. Pennantii. Pennant's Globe-fish. Mouth small, 

 back nearly straight, dorsal placed far back, the anal op- 



