Ill I CONTRIBUTIONS TO MKTir AMF.IMCAX ICHTHYOLOGY IV. 



< ,.i: rathercommon. Etcsembles J.. 6rttnwtw, bui less slender and 



\s nli ;i different month. 



(/ Grirard, 1'n.,-. A. -;itl. N:it. Sri. I'hila. l-.VJ, 1GI; Jordan, 1. c. 



'. \. Kantboccpbalns (Raf.) 



< 'hieti\ uniform yellowish brown, ol'tcn rather pale. Head about as 

 broad ;! s Imi-. I in length. Dorsal spine nearer adipose tin than snout. 

 it> raj > usually 11) (18-L'O). ."Month very broad. I5ody short and stout. 

 l'.arbel> Miorter than head. Humeral process very short, covered by 

 skin. Si/.e small. ( )hio Valley. 



Munu xanthocephalus lial'. c^uart. Journ. Sci. Lit. Arts, Loml. 18-JO, 51 ; Jordan, 1. 



o. 



9<. A. nieBns (Raf.) Junlaii A; 



Color almost blaelc. I'.ody very stout, short, and deep, the depth .'H 

 to ! \ in leii-th. Head broad behind, rather contracted forward, the 

 front steeply elevated. Anal liu short and deep, of 17-19 rays, its base 

 nearly " in length, the color of the rays forming a sharp contrast with 

 that of the dusky membranes. Jaws nearly equal, llarbels longer 

 than head. Humeral process rather long, rugose. Size small. Missis- 

 sippi Valley to Ne\v York ; eonimou. 



./(;r;.v ni'l"^ I.':.!', i^iart. Joiini. Sri. I^it. Arts, Loml. 1 s -, 1 ! I, ."1: I'i>< ln.lu .v cuttilitx 



I. -lilli. I". S. 1'ar. !;. K\ Surv. 1858,208: rimi-l<litx <-.// //^ tinl. 1'ror. A.'ad. Nat 



1'liila. 1-.".:'. I.V.I: AIII'IIH-II* oIxxiivGin, Pror. l!o.-,t. Sor. \ai. Ili<l. 1832, 1.". ; .Ionian, 



I. . .-'.': I'iniHiiilitH jitiUii* DcKay, Xc\v York I'auna, Fisli. lt'1: .lminri(* jnil'un Jordan, 



97. A. iimrBsaoE'iifcis (Ilolin-ook) Jordan. 



Iloily shai-ply mottled with brown, o-reenish, and whitish ; the color- 

 ation therefore singular aiiion-' eat-tishes. ,Iaws einial, or nearly so; 

 l'pth about I in length : slope of prolile veiy steep. Dorsal tin hi-h: 

 th.- >pine more than half h-n-'th of head. Dorsal spine nearer adipose 

 tin than snout. I'.arbels Ion-. Uraiichi.-ste-'als 10. Ilc-'d:!! in len-t!i. 

 Anal L'l. L. !." inches. Southern Illinois to Florida. IVrhapsa \ariely 



ot I . cittltx. 



P mnr.itn* II<,ll.r,.,k, Jdinii. \ t . Sri. I'hila. I -."-.: t : .Ionian, 1. .-. 



\- - (Jill. /;//-/., ,;,/; tl,,r,i,,l I:,,,' ; Small C,-t-fixli ; Xrini-jlL-ill Cat: 



Color dark \ .-II >v, i ,|i brown, more or less clouded, sometimes yellow- 

 i-h. BOmetimea nearly black. P.ody rather elo:i-a!e; depth -\-\.\ in 

 I'-'i-'li. Anal tin usually with L'l or L'L' rays, its ba-e 1 in body. I )or- 

 s :'l "" UWerted rather neaivr adipose (in than end of snout. Tpperjaw 

 n-n.ill\ divtinetlv loa-erthan lower. Humeral pi -ocess. nim-c than half 



