AIUIVilKl'S, lleckrl. 



1. A. ATUl.»X.\Sl-S, 



Bhick-iiosed Dace oi- lii"oo]\ Aiiiinow. 



Body oldoiig, evliudrical, tii|)('i-iiig: ]ie;id small, iiattetied. 

 Ill suininei' and autumn it is Ijrownisli ulivc above a Idack 

 l)and, wliic'li extends around ihenuseto the origin ot' the cau- 

 dal lin.. and satin wlijtt' l)!'hi\\-. Iu spring the latter region 

 becomes vermilion I'ed. and the lateral bauil assumes an 

 orange hue: the pectoral and \'enti-al tins beconu' similar to 

 the abdomen, and the rays of tlie former are greatly tliiek- 

 eued. 



Fin-rays:— D. S : L\ lo : V. 8 : A. s ; ( ". W)':. 



Wiirtlvhfhus alroiiasus, Mitchill, Tdt. cV; Thil. Trans, ^'ew 

 York, 1 p. -inil: Guentlier, VII, p. I'.ll. 



Arij/jj'eii.s aff())iasit^, Storer, l\leni. Ani. Ac. V. ISri.i, [>. 

 •2SS, pi. 21, Hg. d. 



Lo'risrin (ifroridsiis^ l.)eKay, >.>w \'i)rk Fauna. I'ish. p. 



2V-"), jd. 2:;. hg. (;*). 



This ])retty littler fish delights in the Ti'out sli-eanis. iu 

 their small, shallow Itasins. It is ;.dso eoui'mou in many of 

 the s[)rings and streams running therefrom in the central 

 ])arts of Baltimoi'c and (Jarroll counties. It is a. favorite for 

 aquaria. 



Acad. Cou-. vS. 1. 



2. a. xasutl.s. 



Black rUuh. 



Tl'tis species is larger and more elongate than the last, with 

 a most ])ronniicnt and tlattened niii/,/.h'. Itisol' a general 

 olivaceous color, jwih/r brlovr. with nnmcrons brown dols. 

 .sometimes extending mcr the sides <>!' the belly, and a.lniust 

 blackeidng tin- U]>]ier surface. The lutei'al band of the afro- 

 iKi.su-s is never seen, ddie lips and parts of cheek o\' the males, 

 ^vith the p;iired tins and the cauilal, ai'e of ii bright crimsoij 

 in Spring. ^ 



l^in-ravs: --d), 1. S; V. U: V. 8; A. I. 7: <'. \\){. 



