12 BEKYCIDih;. 



The scales are smaller and smoother and more regularly arranged 

 than in TracMcJithys australis; their margin is strongly ciliated. 

 The scaly plates between the root of the ventrals and the anus are 

 imbricate, each armed with a strong spine directed backwards. 



Along the middle of each lobe of the caudal fin a black streak. 



inches, lines. 



Total length 4 1 



Height of the body 1 2 



Length of the head 1 



of maxillary bone 6 



of fom-th dorsal spine 4 



of third dorsal ray 8 



of first anal ray S^- 



4. ANOPLOGASTER. 



Hoplostethus, sp., C'uv. 8f Val. ix. p. 470. 



Muzzle very short, rounded, not protruding ; cleft of mouth ob- 

 lique, chin prominent ; eye lai'ge. Villiform teeth in both the jaws, 

 several larger ones in the lower, none on the palate. Eight bran- 

 chiostegals. Operculum entire, a strong spine at the angle of prae- 

 operculum ; suborbital arch with radiating ridges. Scales none ; 

 skin covered with rough tubercles. One dorsal, ventral Mdth six 

 soft rays ; pectoral pointed ?, caudal deeply forked. Swim-bladder ? 



Tropical parts of the Atlantic. 



1. Anoplogaster comutus. 



Hoplostethus comiitu.?, C/ir. ^- J'al. ix. p. 470. 



D.l A.|. V.1/6. 



Suborbital arch with seven cavities; the bony ridges of the head 

 terminating in several blunt points. (Val.) 



5. BERYX. 



Cur. Regne Anitn. ; Cuv. ^ Val. iii. p. 226. 



Muzzle short, with oblique cleft of mouth and prominent chin ; 

 eye large. ViUiform teeth in both the jaws, on the vomer and 

 palatine bones. Eight (exceptionally seven) and more branchio- 

 stcgals. Opercular bones serrated; opercvdum generally distinctly 

 spiniferous ; prseoperculum without spine. Scales moderate or large, 

 ctenoid. One dorsal ; ventrals with seven and more rays. Caudal 

 forked ; anal with four spines. Air-bladder simple. Pyloric ap- 

 pendages in increased mimber (20-30). 



Sea of Madeira ; Indian Ocean ; Australian Seas. 



