FISHES. 525 



The bull trout attains a great size in these waters, and 

 is precisely the same as the British fish. I cannot, at least 

 at present, agree with Malmgren, but consider the bull 

 trout as good and defined a species as the salmon trout. 

 However, much remains to be cleared up as regards this 

 genus, and in the present state of our investigation most 

 of our opinions are grounded only on suppositions. 



91. SALMO TEUTTA, L. Laxoring Tajmen. The Salmon 



Trout. D. F. 



The Scandinavian form is clearly identical with the 

 British fish, as well as with the examples sent from Finland, 

 and seems to agree exactly with Agassiz's figure and de- 

 scription of S. trutta, var. tab. 8, Nilsson. 



Is met with in all the Scandinavian coasts, from the 

 extreme south of Sweden to far up into Lapland and Norr- 

 land. Nils son remarks that the salmon trout in the spawn- 

 ing season has a crook in the under jaw, but not so large 

 as the salmon, and also red spots mixed with the darker ones. 

 Nils son mentions specimens taken in Karlaby River of 

 the weight of 16 Ib. 



They ^spawn here in the middle of October. 



FEESH WATEE SALMON OE TEOUT. 



92. SALMO MICEOPS, Hardin. S. Ferox, Jard. The Great 



Lake Trout. Insjo Forell, Var Lax. Wenerns 

 Lax. 



I shall, I trust, be excused if my remarks on the two 

 species of large fresh water trout, peculiar to Scandinavia, 

 are rather long, for much confusion has existed, and still 

 does exist, as to their identity. Both species or forms are 

 met with in the Wener in great numbers. In the south- 

 ern part of the lake the S. ferox, or Wenerns lax, 

 certainly attains a larger size than in the north ; whereas in 

 the south of the lake the " siHVer lax " (8. solar, var. La- 

 custris, Hard.) is much scarcer, and always smaller than in 

 the Carlstad waters at the north of the lake, where it often 

 is taken up to the weight of 20 to 22 Ib., whereas in the 



