It4 



XX—COTTlBA\, 



rOTTUS, Art.Mli. 



C. MKRTDToXAlJS. 



'Vho Barbut. or Miller's Thiinib. 



b'oi'iii somowliat cyliiulrieal, ta})L'riiii;' ])0,steri()i'ly: head 

 liroader. ionning; nearly ono-foiu'tli nf the total length, and 

 l)eint>; about as Lroad as long, rouiulcd in tVoiit: ^vitli tlwet- 

 sjiiiies on the forward gill-cover, thr ui,ii)er one stout, di- 

 rected ol)li(|uely upwards and liaekwards; tiic internicdialc 

 nne smaller, directed vertically dov.'uwai'ds. and the lower 

 (Uie, still smaller, [)rojccting ()l)li(juely I'orwards: the Jirsi 

 dorsal lin commences a little liehiud the insertion of tlie ven- 

 tral, its n])per ed'j^o convexly curved: caudal h'n shorter than 

 1 he head, its posterior edge convex ; ci dor pale yellowisli-gray . 

 with slightly darker hlotches, and on tiie hiis witli ohsoleto 

 hamls, composed of hrownish spots. Length about ;> indies. 



Fin-rays:~l). 7. 17: L\ 14: V. 1. 1; A. J-J: ('. 17. 



( \ mer!»/!o/i<iJls, (lirard, Smithson. (■onti'il). ill, lhr)2. p. 

 47, pi. 1, Hg. '•• <V 10; I'roc. r.oston Soc. Xat. Hist., Til, 

 1850, p. 1S!I, and Ti'oc. Anu'r. Assoc. Adv. Sc. il. iSoO. p. 

 410. 



it has been taken n^nv runiberiaml , and at itnhrers- 

 ville, in ^Yashington county. 



Acad. Cotj.. 

 C. viscosrs. 



The Barbut, oi- Miller's Tliiimb. 



Somewhat cylindrical, tapering ])osteriorly. head broader, 

 convex, a little flattened, nose convex and suout obtuse, 

 mouth wide, but less so than in the preceding .si)ecies, and 

 its angles do not extend back I'artlier than the front rim of 

 the eye; diameter of tlie eye contained about five times in the 

 length I'f the head: s])ine of the forAvard gill-eover stout, 



