11 
THE NAUTILUS. 
The Life and Writings of Constantine 
Samuel Rafinesque. 
By Richard Ellsworth Call, M. A., M. Sc., M. D. This work 
includes a complete bibliography of Rafinesque’s publications, 
numbering over four hundred separate titles, a certified copy of his 
most remarkable will, two portraits of its subject, illustrations of 
certain pages of the “Florida Ludoviciana” and the “Fishes of the 
River Ohio,” besides a complete resume of his conchologic and 
other scientific work. It comprises over 250 pages, and is now 
ready. Price $2.50. Address: 
R. ELLSWORTH CALL, 
Manual Training High School, 
LOUISVILLE. KENTUCKY. 
EXCHANGES, 
The following space is to be given to exchanges. Notices not 
exceeding three lines, will be free to subscribers as long as our 
limit of space will allow. 
To exchange for other species, sea or land, Ano suborbiculata 
Say, corpulenta Cpr. and many other Unionidae. Send list and 
receive mine. W. S. Strode, M. D., Lewistown, Ill. 
For Exchange, 3000 species of land and marine shells, including 
rarities in Mitra, Marginella, Aspergillum, Melania, JJnio, etc- Wanted: 
Land shells. MissLinter, Arragon Close, Twickenham, Middlesex, Eng. 
Wanted Strepomatidce from many localities. Land, Fresh¬ 
water or Marine Shells in exchange. Strepomatidce identified gratis. 
A. A. Hinckley, Du Bois, Ill. 
Helix alauda, II. amplecta, and many other land, fresh-water and ma¬ 
rine shells; in exchange for shells from any locality; send lists and receive 
mine. Morris Schick, 2410 Reese Street, Philadelphia, Pa. 
Offered —A short list of Maine shells. Desired—Land-shells. 
Rev. Henry W. Winkley, Saco, Maine. 
Wanted: — To Exchange New and Rare species of Alabama 
Land and Fresh water shells for same from other localities. Also 
general list of 600 species. Send lists. 
H. E. Sargent, Woodville, Ala. 
