158 REPORT OF NEW JERSEY STATE ^^lUSEU.M. 



his catch ahve more or less submerg-ed in the water. The bait 

 is the common earth-worm. At times they are attacked by 

 lampreys, which bore into them, as in the case of the shad. 

 The young, though most abundant in small clear brooks, may 

 easily be distinguished by their beautiful variegated color pat- 

 tern, and are quite attractive in the aquarium. They also have 

 the lateral line inconspicuous, or entirely absent when very 

 5^oung. The adults are rosy-tinted during the spring or spawn- 

 ing season, and the males sometimes with a faint rosy lateral 

 band. The anal and lower caudal lobe of the male is also cov- 

 ered w4th small tubercles, and the fins, together with the pectorals 

 and ventrals, are also highly charged with more or less bright red 

 pigment in both sexes. In the Great Egg Harbor River they do 

 not appear to ascend above the dam at Alay's Landing. My 

 examples are from Crosswicks Creek, near Trenton, where it is 

 abundant. 



Catostomus connnersoni Jordsin, An. X. Y. Acad. Sci., I, 1879. 

 p. 114. 



Catostomiis commersonii Evermann, Recreation, April, 1902, 

 p. 292. 



Catostomus coinuuinis Le Sueur. Journ. Acad. Xat. Sci. Phila., 

 I, 181 7, p. 95. — Abbott, Nat. Rambles, 1885, p. 479. 



Catostomus bostoniensis Abbott, Geol. N. J., 1868, p. 825. — 

 Abbott, Am. Nat, IV, 1870, p. 390. 



Catostomus teres Bean, Bull. U. S. F. Com., VII, 1887, p. 150. 



Catostomus nigricans (Le Sueur). 

 Black Sucker. Mud Sucker. 



Head 3^^ ; depth 4j^ ; D. iii, 10, i; A. iii, 6, i; scales 47 in 

 lateral line to base of caudal, and 3 more on latter; 7 scales 

 obliquely back from origin of dorsal to lateral line; 5 scales 

 obliquely up from base of ventral to lateral line; snout ij^ in 

 head; eye 5; interorbital space 2V10 5 least depth of caudal 

 peduncle 3. Body rather elongate, tapering from dorsal fin. 

 Head thick, attenuated inferiorly to mouth. Eye small, high, 

 posterior, and a little ellipsoid. Lips thick, upper especially so, 



