(JKNKltAl, l>i:S('|{|l'TI(>N. 137 



this saini' fish, two wnttT-niKmr ski'tclics, hy Mr. (iilxtt, ot' 

 Boston, mul oiil*, h colouirtl lilhoj^rai)h, in Hr. lin li.irdson's 

 "Fauna HorcaH-Aiiu'rioana ;" and thcsi* tint*-, 1 am certain 

 woulil hf pronounci'tl by nini* piTsons out ot'ti-u, not accustomed 

 to ol)scrvc -structural ditVcrcnces, three dilVerent fish. Indeed, 

 I am int'ornu'd hy I'rofissor At^assiz, that, hy the i"ri lu-h residents 

 on Lakes Huron ami Siiin'iim-, they arc actually hilii'vi'd to he 

 three distinct fish, and ari' known hy tiirci' dilh'rcnt names, from 

 the localities in which tlicy arc found, viz. : — Trout of the rocky 

 shallows [Truitc (Us Ihitturvs), Trout of the muddy shoals 

 [Tniitc df Greve), and Trout of the deej) open waters {Tntite 

 (In Laiyr). The fir>t of these tisli is rei)rescntcd in the 

 large phite, and the second in the cut, the third is tluis 

 described in IV. Richardson's work named above: — "The 

 head, back and >ides, have a dark jrreenish grey eohuir, 

 which, wlicn examined closely, is resoUed into snnill roundish 

 yellowish grey spots, on a bluish grey ground, w hich covers less 

 space than the spots ; the latter are most evident on the sides, 

 each of them including thri'c or fom* scales. The uncovered 

 portion of each scale is roundish, ami its convex centre, having 

 a greyisli hue and silvery lustre, is surrounded by a dark bt)rder 

 of minute spots, which are deficient or less nuuu-rous on tin- 

 yellowish grey spots, and also on the bluish white belly. The 

 dorsal and caudal fins have the greenish grey tint of the back, 

 and the ventrals and anals are muddy oningc ; this colour also 

 partially tinging the pcctond**. The irides arc bright honey 

 ycUow with blue clouds." 



I will merely add to this, that in the coloured lithograph, 

 which is beautifully executed, the fish hit-s a bright, clean, 



