1. PERCA. 69 



verse line ^^. A large black mark on the posterior part of the first 

 dorsal fin. 



Eiu'ope ; Asiatic Kussia. 



Of, h. Large specimens : stuffed. England. 



c. Adidt: stuffed. England. 



d. e. Adult. England. 



/. Half-groAvn. England. Presented by J. Doubleday, Esq. 

 (f. Half- grown. England. Presented by the Zoological Societj'. 

 h. Half-grown. Peterborough. Presented bj C. Watkins, Esq. 

 (, k. YouiTg. London. Presented by W. Yarrell, Esq. 

 /. Adult : sldn. Norfolk. Mr. Yarrell's Collection. 

 m-t. Adult and half-grown: skins. England. Mr. YaiTell's Col- 

 lection. 

 u. Adult : stuftcd. Loch Lomond, Scotland. 

 V. Half-gi'own : stuffed. Duddingston, Scotland. 

 tu. Half- grown : stuffed. Loch Maben, Scotland. 

 X, y, z. Half-grown. Switzerland. Presented by Prof. Agassiz. 

 a, /S. Large specimens. Sweden. Prom Mr. Lloyd's Collection, 

 y. Young. Sweden. From Mr. Lloyd's Collection. 

 I. Adult : skin. Sweden. Mi". YarreU's Collection. 



e. Adult : skin. Europe. !Mr. YarreU's Collection. 



^, 7], Adult. Europe. Presented by the CoUege of Siu-geons, 

 Q, I. Half-grown. Europe. Presented by the College of Sui-geons. 

 ic, \. Half-grown. Sine patria. From the Haslar Collection. 

 fx. Young. From the Collection of the Zoological Society. 

 »'. Adult: skeleton. England. 



2. Perca flavescens. 



Bodianus flavescens, Mitchill, Ph. Traiis. New York, i. p. 421. 



Perca fiavesceus, Ctiv. Regne Anim. ; Cuv. i)- Val. ii. p. 46; Richard- 

 son, Faun. Bor.-Amer., Fishes, p. 1. pi. 74 ; Storer, Report, p. 5, and 

 Synopsis, p. 17, and Bost. Journ. Nat. Hist. iv. p. 175 ; Kirtland, in 

 Bost. Journ. v. p. 337. pi. 27. f. 2 (bad) ; DeJcat/, New York Fauna, 

 Fishes, p. 3. pi. 1. f. 1 ; Holbrook, Ichth. S. Carol, p. 2. pi. 1. f. 1; 

 Agassiz, Lake Siqwrior, p. 291. 



gi-amdata, Cm: S,- Val. ii. p. 48. pi. 9, cop. bv Dekau, New York 



Fauna, p. 5. pi. 68. f. 220. 



serrato-gi-anidata, Cuv. Sf Val. ii. p. 47 ; Dekai/, I. c. pi. 22. f. 64. 



D. 13-14 1 i^. A.^. Caec. pylor. 3. Vert. 21/20. 



Total length equal to 3^ or four times the height of the body. 

 Inferior edge of operculum with a few weak dentieidations ; inferior 

 edge of pncopcrcidum with about ten rather slender spinous teeth, 

 directed forwards ; opercid.um striated ; 60 to 65 transverse rows of 

 scales ; transverse hue -^. A large black mark on the posteiior 

 part of the first dorsal fin. 



United States ; Canada. 



ff. Adult. New York. From Mr. Brandt's Collection. 

 h. Adidt. Boston. Presented by J. Winstone, Esq. 



