108 MICHIGAN SURVEY, 1905. 



thirty-four specimens were taken, August 3. In the latter, locality they 

 were observed repeatedly about dusk to jump partly out of the water in 

 pursuit of dragonflies. 



3. Nototropis cayuga Meek. IV. 1. Four specimens were taken off a 

 mud flat in Carp river on July 16, among a vegetation of water lilies. 



4. Nototropis hudsonius (DeWitt Clinton). Spawn Eater or Shiner. 

 IV. 1. Four specimens were taken off a mud flat in Carp river, and many 

 others in Carp Lake, V. 3, in about six feet of water, off a graA'elly shore, 

 July 16. 



5. Nototropis cornutus (Mitchell). Shiner; Red Fin. VII. 3. One 

 specimen of this form was taken in Little Carp river. This fish was observed 

 to occur much more numerously up stream, where the current was swift 

 and the bottom composed of gravel, than in the deeper water near the lake. 



6. Couesius plumbeus (Agassiz). VII. 3. Six specimens of this fish 

 were collected in Little Carp river at about the middle of the beaver meadow, 

 where the stream is shallow, current quite rapid, and the bottom composed 

 of small stones. 



7. Salvelinus fontinalis (Mitchell). Brook Trout. Owing to the pre- 

 ference of this species for clear cold streams with a swift current and gravel 

 bottom, it is not surprising that it does not occur in Carp Lake or Carp river 

 within the mountains. It is reported by Mr. Allie, of the Carp Lake Mine, 

 to be abundant in Little Carp Lake during the spring and early summer, 

 but we were unable to obtain any in August. 



8. Thymallus ontariensis (Cuvier and Valenciennes). Grayling. This 

 fish was not taken, but specimens were seen by the writer in the summer 

 of 1903, which had been taken in Little Carp river, near Lake Superior. 



9. Eucalia inconstans pygmaea (Agassiz). VII. 3. One specimen was 

 taken in Little Carp river on August 3, where the current was quite rapid 

 and the bottom composed of fine silt. Several others were seen in a small 

 creek cut in the loam of the beaver meadow r . 



10. Percopsis guttatus Agassiz. Trout Perch. IV. 1. Three specimens 

 were collected in shallow water off a mud flat in Carp river, and in the deeper 

 waters of Carp Lake, V. 3. This genus and species were originally described 

 by Agassiz 1 from specimens taken in the Lake Superior region. Its habitat 

 is given by Forbes 2 , as apparently deeper waters, not often found in streams, 

 and by Jordan and Evermann, 3 as "cold or clear lakes and rivers." It, 

 however, occurs in the Porcupine Mountains, in quite shallow water. This 

 may be due to the fact that it is a northern form, and that in this region 

 the conditions to which it is adapted are more widespread than toward the 

 south. 



11. Perca ftavescens (Mitchell). Yellow Perch. IV. 1. Four specimens 

 were collected in the deeper parts of the river near Carp Lake, and twenty- 

 five in the lake, V. 3. These specimens were all obtained in the deeper 

 parts of the lake and river, where there was considerable vegetation and 

 muddy bottom. 



2. FISH FROM ISLE ROYALE. 



1. Catostomus commersonii (Lacepede). Common Sucker. X. Often 

 seen in large schools near the shore of Washington Harbor. The conditions 

 were : bottom rocky, and little or no vegetation. 



'Agassiz, Louis. Fishes of Lake Superior compared with those of the other Great Canadian Lakes. 

 p. 284. Lake Superior its Physical Character. Vegetation, and Animals. Boston, 1850. 



2 Forhes, S. A. A Catalogue of the Native Fishes of Illinois. Rep. 111. State Fish Com., 1886, p. 96. 



Mordan and Evermann. The Fishes of North and Middle America. Bull. U. S. Nat. Mus., No 

 47, Pt. I, p. 784. 



