160 REPORT OF NEW JERSEY STATE MUSEUM. 
lower caudal lobe 1; least depth of caudal peduncle 2%; pec- 
toral 114; ventral 114. 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 
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nt i aN yy 
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Chub Sucker. Erimyzon sucetta oblongus (Mitchill). 
(Upper figure young, lower adult.) 
in front vertical. Eye circular, anterior, and 124 in preorbital. 
Mouth inferior, moderate, upper lip well developed and freely 
protractile, and lower moderate, A -shaped in outline, infolded, 
plicate. Nostrils superior, close to eye above. Interorbital space 
