SYNOPSIS. 409 



immediately behind the vent, small and inconspicuous ; 

 tail fan-shaped ; colour pale brovsm, with transverse bars 

 of dark brown.— //m«. Penn. Brit. Zool., iii. p. 184, 

 pi. 26 ; Tarr. Brit. Fish., ii. p. 432. 



Sp. 204. S. Typhis. Deep-nosed Pipe-fish. Head not raised 

 above the level of the back, snout continued nearly in a 

 line with it, and so deep as to be nearly parallel in the 

 abdominal line : body hexagonal anteriorly ; caudal fin 

 somewhat pointed ; colour olive-green, mottled and spotted 

 with yellowish brown and yellowish white. — Linn.., Don. 

 Brit. Fish., pi. 5Q ; Jenyns'' Brit. Vert., p. 485: Tarr. 

 Brit. Fish, ii. 439. 



Gen. XCVIII. Acestra. Pectoral, ventral, anal, and cau- 

 dal fins wanting ; abdomen without a pouch undt r the tail in 

 both sexes ; in other respects nearly as in Sygnathvs. 



Sp. 205. A. cequorea. Equorial Pipe or Nt edle-fish. Form 

 slender and elongated, gradually narrowing behind into a 

 narrow tail ; body compressed, an acute dorsal and ab- 

 dominal ridge, and three others, less strongly marked on 

 the sides ; dorsal and vent near in the middle ; colour 

 yellowish, with transverse pale lines, one on each joint, 

 and another down the middle of each plate. — Sygnathus 

 sequoreus, lAnn., Moiit. Mem. Wern. Soc, i. p. 85, pi. 4, 

 fig. 1 ; Penn. Brit. Zool., iii. p. 188; Tarr. Brit. Fish., ii. 

 p. 442. 



Sp. 206. A. angmnea. Snake Pipe or Needle-fish. Anterior 

 part of the body slightly octangular, the whole body slen- 

 der, the tail very much produced and very narrow ; angles 

 on the surface and a series of transverse plates almost ob- 

 solete ; dorsal entirely before the middle ; colour olive- 

 green ; irides red ; pupil black. — Tarr. Bnt. Fish., ii. 

 p. 445. Sygnathus ophidion, Shaw''s Gen. Zool., v. p. 453, 

 pi. 179. 



Sp. 207. A. ophidion. Straight-nosed Pipe or Needle-fish. 

 Body long, slender, and cylindrical, slightly compressed 

 anteriorly, tail round and gradually tapering to a fine point ; 

 snout short and nearly as broad as the head, the latter of 



