AMBRICAN ALGAE = 
MISS 
CENTURY III 
Miss JOSEPHINE E. TILDEN begs to announce the distribution of the Third 
Century of her American Alge. The size of the sheets has been increased 
from 8 X 10 inches to 13 X 17 inches, so as to admit much larger specimens 
than have hitherto been distributed. The Third Century includes several 
additional thermal alge from the Yellowstone National Park, and Banff, 
Alberta ; alarge number of marine and fresh-water forms personally collected 
at Great Salt Lake (Utah), in California, Washington, and British Columbia; 
besides a few species from the Province of Ontario, Dakota, South Carolina, 
Iowa, and Minnesota. Special attention has been given to the material from 
the Strait of Juan de Fuca, Puget Sound, and the San Juan group, and a 
fine representation of North Pacific species is included in this century. 
*,.* No additional price will be charged on account of the increased size 
and cost of Century III, but as before, the uniform rate will be $10.00 for 
either bound or unbound copies, the postage or express charges additional. 
*,* No further orders for Century I can be filled, the edition being entirely 
exhausted. Of Century II only a limited number remain unplaced. Miss 
Tilden hopes to issue Century IV within the ensuing six months. Address: 
JOSEPHINE E. TILDEN 
THE UNIVERSITY OF MINNESOTA, MINNEAPOLIS 
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