SHIRAS EXPEDITIONS TO WHITEFISH POINT. 143 



gill rakers, 16 + 32; color (fresh from water of the lake) upper parts 

 bluish graj' ; lower parts Avhite with brassy reflections on the sides. 



5. Salmo irideus Gibbons. Rainbow Trout. — One specimen was 

 taken at Station 2. It was about a foot in length, and in color was 

 bluish slate a})ovc and white Ijelow, sides silvery with pinkish reflections, 

 many small black spots scattered over the back and sides as well as the 

 dorsal and caudal fins, which had a ground color like that of the back; 

 lower fins white. 



Four small fish, each about three inches in length, distended the 

 stomach of this trout. They were badly digested, but there can be 

 little doubt but that they are little herring. 



The species is not native to Lake Superior, but it has been introduced 

 in waters comiected with it. Fishermen say that they are frequently 

 taken in Lake Superior in the Whitefish Point region. ToA\Tisend 

 (1902) records the capture of three at Whitefish Point, and of a large 

 one, weighing seven pounds, taken there on July 9, 1900. 



6. Salvelinus fontinalis (Mitchill). Eastern Brook Trout. — Com- 

 mon in a number of places in the Whitefish Point region, in Lake 

 Superior, in the lower part of Vermilion Creek, in lower Cranberry 

 Creek; and one was found in the beach pond into which Wetherhog 

 Creek flows. None were seen in the marsh lakes or in Shelldrake 

 lliver or Lake. Li Lake Superior, the fish are of edible size, usually 

 about a foot long. Here many were seen and some were caught in 

 about six feet of water about Clarke's pier (Station 2). The following 

 notes were made on a typical specimen from here just after it was taken 

 from the water: length, 10.5 inches; color very pale compared with 

 stream fish; a light bluish-green above, with faint marblings of a slightly 

 darker shade of this color; sides silverj^ gray with lilac reflections and 

 ■with a few indistinct spots, some white and some red ; dorsal and caudal 

 fins yellowish-green with dark mottlings; the other fins and the lower 

 ]xirts of the fish white. 



All of the fish caught elsewhere than in Lake Superior were small; 

 the dozen or so examples taken were 3 to 8.5 inches in length. The 

 largest one of these was of a light yellowish-green above and white 

 below; the sides had l)road, slaty, transverse bands or "parr marks," 

 which are found on small brook trout, and had conspicuous bright red 

 spots. 



In the small streams the brook trout were never seen unless dis- 

 turbed, and then they would dart from beneath Ixanks or other hiding , 

 places and back to near the same place; never swimming any distance 

 in the creek before finding a retreat. A small trout found under a 

 water-logged piece of timber in the beach pond at Station 122, re- 



