,1 s;itiii-wlii(L' |ii':4iiK'iii in s[)i'iiiL;" ;i!i<l suuiiiH'i-, wliicli '^ivcs 

 iIk' iisli tilt" iiiunc ''White (h; Silvrr j''iii." At tlic .stinie 

 time small tiiliciclcs ;i))])('ai" ii|)()U the liciul ami miiz/.lc of 

 the in ale. 



Fin-rays: -1). S; i\ l:i: V . S; A.;:i: ('. i^::. 



Lciicisciis KcnlKcl-'ien-si.s, (Raiiii.) Kii'lland, liost. .joiii'ii. 

 Nat. Hist. VI, ]). '■11. \A. S, iio-. i;-. Storer, l^Tem. Am. Ac. 11. 

 [). 410: (lueiithe)', ■\'I1, j). -J.")!. 



Ililpxil(i)'is ](('nlticl'i<'iisi.s, Cojic. Ti'aiu. Am. Tiiil. Sdp. 

 XIIl, p. :U1, ])1. 11, Ji-. :>. 



( 'omiiiun in all our ereelcs Leydml the reach ol' title-\vater. 

 It (leli^-hts in the little [)ools hetAvceii the rocks, and in th.e 

 sandy hasins, ami attracts the ohsers'er hy tlie delicate hean- 

 ty of its silver tins in I'etlectinj;' the sun-liglit as it tnrns 

 its sides. 



Acad. ('oi.i.. i"^. 1. 



2. II. couxT'Trs. 



The Rccl-Fin, or Roiigli-Head. 



Tjody cylindrical, tapering; greatest de] it h in 1'roni of the 

 dui'sal tin, AN'here tlie hack is sliglitly arched. Scales large. 

 In the hreeding se.ison minute tuhei'cles Ap[>ear on tlie sum- 

 mit and the sides of the head, extending as far ]>ack as the 

 dor.^al tin. Col.ir aliove (hirk im]»ni'e ])luc: sides fre.m rosy to 

 silver-white: the scales in adults Idaokish a.i basis. Anal, 

 Vent I'al, and ])cctoral tins in males, crimson in sjiring and 

 summer. 



iMU-rays:- D. i.S: 1'. l.i;^: V. S: A. i.;): ('. 4.1!).;^. 



Lviiciscns corniifus, Stm'er, l^ost. Joui'U. Nat. Hist. IV, p. 

 is;}: DeKay, New York 4\'iun:v. I-'ishes, p. 207. j.l. 20, fig. 

 112: (luonth. YU, ]k 24'.). 



Hiijmlepl'i (:ornn(ii'<. Co]>e. Trans. Am. I'hil. Soc. N. S. 



XIII, p. :n2. 



Widely distvihuteil in lOar-tern Nurtii America, in tlie fresli 

 water streams, from Montreal to Virginia. In Maryland It 

 oeenrs in liie ri\-ers :jnd their i I'ilwitarics. and always atti'acts 



