CH^TODONID^. — SCMNINM. 219 



but the ventral is smaller, the caudal forked_, and the 

 anal spines remarkably strong ; operculum with a 

 '' blunt angle " at its posterior edge. 



P. bilineatum. Cuv. pi. 122. 



H(smulion Cuv. Oblong, fusiform ; the mouth rather 

 wide ; lower jaw compressed, having under its sym- 

 physis two pores, and a little oval dimple ; dorsal 

 emarginate towards the caudal ; anal short, with scales 

 at its base ; caudal forked. 



H. quadrilineatum. Cuv. pi. 120. 



Lohotes Cuv. Body ovate, thick, and broad, compressed ; 

 eyes and head very small _; mouth opening obliquely ; 

 the lower jaw longest ; pectoral and caudal fins 

 rounded ; dorsal emarginate, with a sheath of scales ; 

 the hinder portion, together with the anal and caudal, 

 almost covered with minute scales ; preoperculum 

 strongly serrated; a chironectiform type, 

 somnolentus. Cuv. pi. 126. 



Latilus Cuv. More lengthened ; head obtuse ; dorsal fin 

 'long, with only six slender spinal rays in front, the rest 

 branched, and of equal length ; caudal lunate. Ana- 

 logous to lulus. 



L. doleatus. Cuv. pi. 130. 



Sci^NA. Spinal rays of the anal fin very slender. 

 ScicBiia Linn. Caudal fin rather elevated, truncate or 

 lunated ; spines at the anal slender ; no canine teeth. 

 S. umbra. Auct. 



Otolithus Cuv. Resembling Scigena in its small anal 

 spines ; but the head is more lengthened ; the mouth 

 larger, the under jaw longest ; the foremost teeth long 

 and hooked ; and the caudal considerably rounded. 

 elongatus Sw. Cuv. 103. ruber. Cuv. pi. 102. 



Ancylodon Cuv. Dorsal fins very remote ; head large, 

 without scales, lower jaw longest ; canine teeth large, 

 curved, extending on the sides of the under jaw; 

 caudal rounded. 



A. parvipinnis. Cuv. pi. 105. 



