78 PKBCID^. 



14. ASPRO. 



Aspro, Cuv. JR^r/ne A/dm. : Cuv. i^ Val. ii. p. 188. 



Body elongated, cylindi-ical ; snout thick, projecting beyond the 

 mouth ; mouth situated at the lower side. Seven branchiostegals. 

 AU the teeth villiforra \vithout canines; teeth on the palatine 

 bones ; tongue smooth. Tv.'O separate dorsals ; anal fin with a 

 single pine. Operculum spiniferous, preeoperculum serrated ; prae- 

 orbital entire. Scales small. 



Rivers of the European Continent. 



1. Aspro vulgaris. 



Asper piscicidus, Boftdel. ii. p. 207 ; Gestter, pp. 403, 478 ; Aldroi\ v. 



cap. 28 ; Jotist. iii. c. ii. t. 26. f. 18 ; WiUughhj, p. 294 ; Ray, p. 98 , 



Marsigli, Danub. iv. pi. 9. f. 2, 3. pp. 27, 28. 

 Gobius asper, Gesner (ed. Franco/.), t. 162 b. 

 Perca, sp. 3, Artedi, Genera, p. 40. 

 asper, Linn. S;/st. i. p. 1309; Block, t. 107. f. 1, 2; Schceffer, 



Pise. Bavar. Ratisb. Pentas. ; Gronov. Zoophyl. p. 92. no. 303, and 



Syst. ed. Gray, p. 115; Hartm. Ichthyol. Helvet. p. 68 ; Shaw, Zool. 



iv. p. 651. 

 Dipterodon asper, Lacep. iv. p. 170. 

 Aspro vulgaris, Cuv. ^ Val. ii. p. 188. pi. 26 ; Cuv. Rkgne Anim. Ill 



pi. 6. f. 2 ; Nordmann in Demidoff^s Voy. Russ. M&rid., Pcnss. p. 



Back brownish, sides with a yellowish cast, four or five dark 

 transverse bands. 

 Rhone ; Danube. 



a. Adult. Danube. 



h. Adult. Switzerland. Presented by Prof. Agassiz. 



2. Aspro zingel. 



Gesner, Paralip. p. 19; Marsigli, Danub. iv. pi. 9. f. 3; Klein, Hist. 



Pise. V. p. 28. 

 Perca zingel, Linn, i. p. 1310; Schceffer, I. c. ; Bloch, t. 106; Meidin- 



ger, Pise. Austr. t. 4. 

 Aspi'o zingel, Cuv. i^- Val. ii. p. 194. 



I^-l'^-l^liiVo- ^-u^Ts- L.lat.95. L. transv. j^. 



Back greenish brown, sides with a yellowish cast; irregularly 

 spotted and marbled ^\^th dark brown, across the back four more or 

 less conspicuous bands. 



Danube. 



ii. Largo specimen, hairope. Presented by the; Zoological Society. 

 With the formula : D. 1 5 U . A . f, . 



