o8 



pi'RCid.t;. 



First Group. PERCINA. 



1. PERCA*. 



Perca, sp., Artali, Genent, p. 39; Cia: lier/tie Anim. ; Ckv. 4'- Ftd. 

 ii. p. It). 



iScvcn branchiostcgals. All the teeth villilorm, without canines ; 

 teeth on the jmlatinc Iwncs, tongue smooth, IVo dorsals; the first 

 with l;i or 1-J- s])ines ; anal fin with two spines. Opcrculiim s])ini- 

 fcrons ; praco])ei'culum and pra^orbital serrated. Scales small ; head 

 naked above. 



Fresh waters of the Arctic Retiions. 



1. Perca fluviatilis. 



UtpKTj, Aristot. vi. cap. 14; yElian, xiv. c. 23, 2V). 



Perca, PUn. xxxii. cap. 9, 10; Akhuh. v. 115; Juluistmi, Thaani. 



p. 423. 

 Porca Huviatilis, Rinnhl. ii. pp. 190, 197; Salciaid, f. 224 />, 22G ; 



GcsHo; p. (;9cS. t. 1(58 J; Jitn/, Si/n. Pise. p. 97. no. 23; M'UUtijJibij, 



iv. c. 14. p. 291. t. 5. 13. f. 1; Pinn. lirit. Zuul iii. p. 345. 



tia\ iatili.s major, Aldroc. v. cap. 33. p. 022. 



major, ISvliaiicr. p. 55. 



no. 1, Art('(f/\ Gcncni Pisciuvi, p. 39. 



tbiviatilis, Li/in. i. p. 481, and Faun. Skcc. p. 117; Ldcop. iv. 



p. 187 ; 3Ln-sii/H, iv. tab. 23. f. 1 ; Bloch, FIsche IkiitschL t. 52 ; 



^tclufjfcr, Pise. Bavar. R(dish. PcnUis. ; Meidiiujcr, Fisclic Ocsfr. 



talj. 5 ; Don. lirit. Fi.iJi(s, iii. pi. 52 ; S/iatc, Zool. iv. p. 545. pi. 79 ; 



Turt. Ihit. Faun. p. 100 ; Citv. ii,- Val. ii. p. 20. pi. 1-8 (aii.Uomv) ; 



Finn. Brit. Anim. p. 213; Nihs. Prudr. Ichth. Scandin. p. 81 ; 



Jurine, Paiss. Lac Lcnian, pi. 3 ; Ponap. Faun. Pat. iii. 79. f. 1 ; 



Fric.^ aril Fckstr. Shindinarwns Fishar, pi. 1 ; YarrcJI, Brit. Fishes, 



p. 1 ; Parn. Fis/i. FritJi af Forth, ]). 8; Donidoff. Voij. Puss. 3lerid. 



iii. p. 355; Car. Pi'f/na Aaini. Id. Poiss. pi. 1-4, fanat.) pi. 0; 



Giinther, Nccharfi.sch(', p. 10, and Wieipn. Arehir, 1855, p. 198 ; 



Heckel ^- Kner, Sii.ssu-assr>ifisehe, ]). 3 (fifi'. not <>-ood). 



vul;,'aris et hflvt^tica, Gronor. Mas. Ichth. cd. Gray, pp. 113, 114. 



italica, Cuv. lliytie Anim. ; Car. l^ J'al. ii. p. 45. 



D. 14-15 I -'^. A. -i-. Csec. pylor. 3. Vert. 21/20-21. 



I 13-14 8-9 ^ •' ' 



Total length equal to 3|- the height of the body. Inferior edge 

 of operculum entire, or very weakly denticidated ; inferior edge of 

 proco])erculum with a few strong spinous teeth, directed forwards ; 

 operculum smooth, more than 70 transverse rows of scalesf; trans- 



* Perca phimieri, Ciiv. ^- Vat. ii. p. 51, established from a figure of Phunier, 

 is the same fisli as we find liereaftcr described as Conodon antillanus. Cuv. <j'- P"al. 

 V. p. !.")(). 



t In tlie Pcrcidfc witli small .-scales, the rows exhibit many irrp^ularitics, 

 especially near the Literal line. A more constant result is pained by countinf; 

 the transverse rows, instead of the scales of the lateral line 



