The Warblers 
in Color 
BIRD-LORE 
(Indited by Frank M. Chap¬ 
man) is pablishiii" a series 
of colored plates, from draAvinics by Louis Agassiz Fuertes and Bruce 
Horsfall, accurately representing all the plumages of North American 
W arblers. 
The text accompanying these beautiful pictures is compiled by Prof. 
W. W. Cooke, from records in the Biological Survey. It gives the aver¬ 
age migration dates of Warljlers at hundreds of localities, often for long 
periods of time. The data for the Redstart, for exami)le, represent the 
work of over 50 observers for a total of 427 years! 
Ihe supply is exhausted ive xoill give a free copy 
of oxir December, 1903, issue, containing the first two col¬ 
ored Warbler plates, to all subscribers to Vol. VI of BIRD- 
LORE, beginning February 1, 1904. 
2 0 CENTS A NUMBER 1.0 0 A YEAR 
THL MACMILLAN CO., 66 Fifth Ave.. New York City 
MINERAL COLLECTOR. 
PUBLISHED MONTHLY. $1 A YEAR. 
The only magazine in the country devoted entirely to Mineralogy. 
Now in its seventh year. Send 10 cents in stamps for sample copy. 
Exchange page free to Subscribers. 
The Mineral Collector, '73 w. 65 th si.. New York city 
(If you -wish a few showy minerals for ornamental purposes or your 
collection write us.) 
Mineral Calcareous Tufa 
Showing the organic inclusions interestingly. Specimens suitable for 
collections. Prefer miscellaneous documentary or scientilic publications 
in exchange. Prompt response to all communications. 
JOSEPH N. PR.OKES, Box 352, Jackson, Minnesota 
n Colo 
P* B. WHELPLEY 
Biolog^tcal Dra.u§:htsman 
DUBLIN New Hampshire 
