SYNOPSIS. 413 



Sp. ^15. A. latirosiris. Broad-nosed Sturgeon. Snout broad ; 



keels of the dorsal plates but slightly elevated ; cirri place<l 



nearer to the tip of the snout than to the mouth. — Pamel/. 



Trcms. Roy. Soc. Edin. xiv. pi. 4 ; Yarr. Brit. Fish., ii. 



p. 479. 



Fam. XXVII. ChimcendcB. Fam. of Ckimcerce. Branchluj 



^pectinated, only partiaUj/ free ; vomer alone representing the upper 



jaw, the jaws armed with phtes instead of teeth. 



Gen. civ. Chimera. Body elongated, without osseous 

 plates ; dorsals two, the first very high, second low and con- 

 tinued to the tail, the latter attenuated and ending in a naked 

 filament. 



Sp. 216. C monstrosa. Northern Chimsera. Eyes large, a 

 fleshy process between them bent forwards, and termi- 

 nating in a cluster of small spines : pectorals large and tri- 

 angular, anal rather small: colour different shades of rich 

 brown on a shining white ground, with various rich reflec- 

 tions. — Linn., Penn. Brit. Zool., iii. p. 159 ; Don. Brit. 

 Fish., pi. Ill ; Yarr. Brit. Fish., ii. p. 483. Rabbit fish, 

 Flem. Brit. An., p. 172. 



SECOND DIVISION. CARTILAGINOUS FISHES WITH 

 FIXED GILLS. 



Fam, XXVIII. Squalidce. Fam. of Sharks. Jaws rejire- 

 sented by the palatine and portmandviar bones; snottt produced 

 beyond the mouth, which (except i7i one instance) is placed be- 

 neath ; body ehngated ; tail thick and muscular; branchial open- 

 ings in the sides of the neck ; pectorals of moderate size ; eya 

 IcUeral. 



Gen. CV. Scyllium. Snout rather short and obtuse ; nos- 

 trils near the mouth, with a groove-like prolongation to the 

 edge of the lips ; branchial openings five ; teeth small, triangu- 

 lar, with lateral denticles at the base : dorsals two, the first 

 never in advance of the ventrals ; caudal truncated at the ex- 

 tremity, not forked. 



Sp. 217. S.canicxdi. Small-spotted Dog-fish. Mouth of a. 



