107) FAUNA OF BIG VERMILION RIVER—BAKER 9 
fauna of this locality is better known than that of any other part of the 
stream. 
To Professor Smith the writer is also indebted for the identification of 
the worms and crayfish, and the determination of the animal life in the 
samples of bottom sludge from the polluted part of Salt Fork. The sincere 
thanks of the writer are due to the persons noted below; the group of ani- 
mals or plants which they have identified is indicated: Dr. Charles P. 
Alexander, Coleoptera and other insects; Dr. Edward Bartow; Dr. Stephen 
A. Forbes; Mr. Calvin Goodrich, Goniobasis; Dr. George M. Higgins; Mr. 
John Malloch, Diptera; Dr. J. Percy Moore, Hirudinea; Professor James E. 
Smith; Dr. E. N. Transeau, Algae; Dr. Victor Sterki, Sphaeriidae; Dr. 
Harley J. Van Cleave; Dr. Bryant Walker, Ancylidae and other mollusks. 
