188 



SALMONID.E. 



than one-foxirth of that of the head. The supplementary bone of 

 the maxillary is of moderate width and length. The length of the 

 mandible is considerably more than the least depth of the tail. Back 

 behind the head ascending in a very gentle curve. Pectoral equal 

 to, or longer than, the head, without snout. 

 Great lakes of Switzerland and Tyrol. 



a, b. Adult. Lake of Constance. 



c-e. Adult and half-grown. Wiirm-See (Bavaria). From Dr. Gem- 



minger's Collection. 

 f-g. Adult. Lake of Neuchatel. Presented by P. L. Sclater, Esq. 

 h-1. Adult and half- grown. Lake of Neuchatel. From Prof. E. 



Agassiz's Collection. 

 m-p. Half-grown. Switzerland? Presented by Dr. E. Eiippell. 

 q. Skull, Lake of Constance. From Dr. A. Giinther's Collection. 



22. Coregonus clapeoides. 



Specimen c. 



Gwyniad {Lake of Bala) ; Schelly ( UUsioater) ; Powen {Loch Lo- 

 mond). 



Guiniad, Will. p. 183 ; Pennant, Brit. Zool. iii. p. 276, pi. 62, and ed. 

 1812, iii. p. 419, pi. 73 (not synon.). 



Coregonus clupeoides, Lacep. v. p. 698; TJltite, Catal. Brit. Fish. 

 p. 81. 



Coregonus lacepedei, Parnell, Ann. Nat. Hist. 1838, i. p. 162 (c. fig. 

 med.) ; Yarrell, Brit. Fish. 2nd ed. ii. p. 151. 



Coregonus microceplialus, Parnell, I. c. p. 163 (c. fig. med.). 



Sahno lavaretus, Turton, Brit. Faun. p. 104. 



Coregonus lavaretus, Flem. Brit. An. p. 182 ; Jenyns, Man. p. 431 ; 

 Yarrell, Brit. Fish. 2nd ed. ii. p. 142. 



Coregonus pennantii, Ctiv. ^ Val. xxi. p. 507 ; Yarr. Brit. Fish. 3rd 

 edit. i. p. 310. 



