i6o REPORT OF NEW JERSEY STATE MUSEUM. 



lower caudal lobe i ; least depth of caudal peduncle 2j^ ; pec- 

 toral i}i; ventral i%. Body compressed, rather oblong, and 

 predorsal region more or less elevated. Caudal peduncle rather 

 short and compressed. Head short, stout, and upper profile a 

 little more inclined than lower. Snout long, blunt, or with profile 



^% 



Chub Sucker. Brimyson sucetta oblongus (Mitchill). 

 (Upper figure young, lower adult.) 



in front vertical. Eye circular, anterior, and i% in preorbitaL 

 Mouth inferior, moderate, upper lip well developed and freely 

 protractile, and lower moderate, y\^ -shaped in outline, infolded, 

 plicate. Nostrils superior, close to eye above. Interorbital space 



