THE COREGONUS ALBULA. 



135 



of the second species) in the end of that month or the begin- 

 ning of Decemher. 



This fish has not attributed to it as large a size as either 

 the niihb-sik, or the lof-sik ; but fishermen have nevertheless 

 told me they have taken specimens weighing several pounds. 



Independently of the three larger species of sik mentioned, 

 Nilsson speaks of two others as belonging to the Scandinavian 

 Fauna, namely: 



The one which he imagines to be identical with the 

 Coregonus Clupeoides, of Pallas, is, he tells us, an inhabitant 

 of the lake Wettern, and attains to twelve inches in length. 



The other, answering, according to his conception, to the 

 Coregonus Fera of naturalists, he describes as confined to 

 the Ringsjon in Scania, and as ten inches in length. 



Of the smaller species of Coregoni we had : 



COREGONUS ALBULA. 



Salmo Albula . . Linn., " Retzius, Faun. Suec./' p. 349. 

 Coregonus Albula ... " Nilss. Prod.," p. 17. 



... " Ekstrom, Morko," p. 203. 



... " Kroyer," vol. in. p. 93. 



The above drawing was taken from a full-grown fish, 

 captured during the past autumn in the Wenern. 



This species is immediately distinguished from the larger 



