356 SYNOPSIS. 



Brit. Fish., i. p. 97 ; Jenym' Brit. Vert., p. 350 ; Hdin, 

 New Phil. Jmrn., April 1831, p. 386. 

 Sp. 31. Q. pungitius. Ten-spined Stickleback. Sides with- 

 out plates ; dorsal spines nine or ten. Fin-rays, D. ix+ 10 : 

 P. 1 1 : V. 1 + 5 : A. 1 + 9 : C. \%—Linn., Cuv. ^ Vol., iv. 

 p. 506 ; Perm. Brit. Zool, iii. p. 335, pi. 61 ; Don. Brit. 

 Fish., pi. 32; Jenyns' Brii. Vert., p. 350; Yarr. Brit. 

 Fish., i. p. 99. 

 Sp. 32. ;S^, spinachia. Fifteen-spined Stickleback. Dorsal 

 spines fifteen ; body much elongated, lateral line armed 

 with large pointed imbricated scales, which render the 

 posterior half of the body quadrangular, the anterior part 

 pentagonal ; snout very much produced, the under jaw 

 longest ; colour of the upper parts greenish brown, sides 

 yellowish, belly silvery white. Fin-rays, D. xv+ 6 : P. 1 : 

 V.2 : A. 1—7 : C. \2.—Linn., Cuv. ^ Val, iv, p. 509; 

 Yarr. Brit. Fish., i. "p. 101. Spinachia vulgaris, Flem. 

 Brit. An.,^. 219. 



Obs. This species differs in many respects from the 



other Gasterostei, and has therefore been regarded by 



several authors as a separate subgenus, a rank to which it 



seems fully entitled. 



Fam. III. SciENTD^. Fam. of the Maigres. Preoperciilum 



denticulated, operculum with spines, body and head aitirely 



covered with scales; mouth slightly protractile; no teeth on the 



«?(?9ier or palatines. 



CrEN. XIV, Sci^NA. Operculum ending in one or more 

 spines ; dorsals two, the second long ; branchiostegous mem- 

 brane with seven rays; a row of pointed teeth in each jaw; 

 •hiu without a barbule. 



Sp. 33. >S'. aquila. The Maigre. Of a uniform silvery grey, 

 inclining to brown on the back and to white on the belly ; 

 first dorsal, pectorals, and ventrals, red ; first dorsal with 

 the third spine very long. Fin-rays, D. 9 — 1 -|-27 : P. 16 : 

 V. 1 + 5 : A. 1 + 8 : C, 17.— Cuv. ^ Val, t. v. p. 28, 

 pi. 100 ; Jenyns' Bnt. Vert., p. 352 ; Yarr. Brii. Fish., 

 i. p. 104. Umbra Rondeletii, Willugh. 



