CHALCEUS TiENIATUS. 211 



and black near the base ; tail slightly forked, and 

 similarly coloured ; scaling large, the edges slightly 

 fringed, adhesive; there is no lateral line percep- 

 tible ; head laterally depressed ; eyes near the mid- 

 dle of the head, iris red and yellow ; mouth tenninal, 

 tongue fleshy, jaws nearly equal; teeth, a single 

 row in the under jaw, upper jaw has a series thickly 

 studded on the roof, which are serrated ; gill-covers 

 slightly striated. They live only a short time when 

 taken out of the water, and soon lose their colour, 

 turning to a duller blue. Feeds on fruit, as well as 

 on animal substances. Air-bag double ; intestines 

 form flexures, and have appendices ; milt half the 

 length of the cavity of the body." 



This is a very handsome species, and is coloured 

 bluish grey above, changing to silvery white on the 

 sides and belly ; and the whole is relieved by eight 

 delicate blue longitudinal stripes. The structure of 

 the teeth varies from that of the others. 



D. 11— P. 14_V. 8— A. 26—0. 25— Br. 4— Vert. 38. 



