EEPORT ON MICHIGAN FISHES. 
221 
5. Lyon Lahe, Calhoun County, is situated about 3 miles south of the preceding 
lakes. Length, one half mile; width, one-third mile; greatest depth, 30 feet; tem- 
perature at surface, 73° to 76° ; at bottom, 67°. Date of examination, August 1 and 2. 
It has very clear water and sandy shores. There is neither outlet nor inlet. 
6. The Kalamazoo River was examined at two points, namely, at Battle Creek and 
Marshall. It is a rapid stream with gravelly bottom. The quiet places are choked 
up with mud and debris. At Marshall the gill-nets were used and set above the 
dams. 
III.— ELK RIVER SYSTEM. 
1. Torch Lake, Antrim County. Length, 18 miles ; width, miles; depth, about 320 
feet; temperature at surface, 67° to 69°; at bottom, 324° to 48°. The water is very clear 
and partakes of the character of that of the Great Lakes. Shores sandy and gravelly; 
vegetation scarce. It flows into Elk Eiver by way of Torch River, Round Lake, and 
Elk Lake. 
2. Clam Lake, Antrim County. This is a small lake flowing into Torch Lake by 
Clam River. Its waters are dark and its fauna is more southern in character than 
that of Torch Lake. 
3. Rapid River, Antrim County. A small, rapid trout stream flowing into Torch 
River; temperature, 50° to 55°. 
4. Spencer Creeh, Antrim County, has the same character as Rapid River. There 
are two dams near the mouth, and above them two kinds of fish only are found, namely, 
Salvelinus fontinalis and Coitus hairdi. The rest of the species mentioned as found 
in Spencer Creek may be considered as also occurring in Torch Lake. These places 
were examined between August 8 and 18. 
Following is a list of the species of fishes observed at the above localities; 
1. Petromyzon concolor (Kirtland). Lamprey- eel. ^ 
One specimen found in Wilder Creek clinging to a dead Catostomus teres. This 
individuaL differs from any of the known specimens of P. concolor in having on each 
side of the mouth four teeth of the first concentric series bicuspid. 
2. Lepisosteus platystomus (Rafinesque). Gar. 
Long and Austin Lakes. 
3. Amia calva Liunaeus. La^vyer, Dog-fish, Mudfish. 
Not common; Long Lake and Austin Lake. 
4. Ameiurus nebulosus (Le Sueur). Bull-head. 
Very common; Long, Austin, Indian, Gourd neck, Rawson, Goguac, Barnuiu, 
St. Mary’s, ITpimr and Lower Brace, and Lyon Lakes; Kalamazoo River, at Battle 
Creek and Marshall. 
5. Noturus flavus (Rafinesque). 
Kalamazoo River, at Battle Creek. 
One individual found guarding its progeny under a stone. 
‘ The common names given are those used by Michigan fishermen. 
