THE GUIDE TO NATURE— AD TERTIS EM ENTS 
XIII 
Bausch & Lomb Optical Co. 
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Makers of Microscopes, Photographic 
Lenses, Balopticons, Binoculars. Oph- 
thalmic Lenses and Instruments, Magni- 
fiers. Readers and other High-Grade Op- 
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Color Cards and Descriptive Literature re- 
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FULTON AND CLINTON STREETS 
Brooklyn New York 
T idE BRYOLOGIST — The only magazine in the Eng- 
lish language devoted wholly to articles dealing with 
Mosses, Hepatics, and Lichens. Of interest to be- 
ginners and advanced students alike. Bimonthly, pub- 
lished by the Sullivant Moss Society, an organization 
for mutual help in moss study. Special curators to 
assist beginners. Membership fee, $1.50 per year, »•»- 
eluding the Bryoloeist; subscription alone, $1.25; Cana- 
dian postage 10 cents extra. Address Edward B. Cham- 
berlain, 18 West 89th Street, New York City. 
AQUATIC LIFE monthly magazine will 
^ increase your enjoyment 
of the life in nature’s streams and in your home 
aquarium. Written by scientists to entertain all 
nature lovers who like to paddle in water and 
study its many forms of life. A journal of popu- 
lar aquatic biology, not merely a fish fanciers’ mag- 
azine. Specimen copy free on request. Subscrip- 
tion, $1.25 per year. Joseph E. Bausman, Pub- 
lisher, 542 East Girard Avenue, Philadelphia. 
THE 
AMERICAN MICROSCOPICAL SOCIETY 
(Founded in 1878) 
Publishes Its TRANSACTIONS as a 
Quarterly Journal of Microscopic Research. 
For information, write to 
P. S. WELCH, Secretary 
ANN ARBOR. MICHIGAN 
And as to you Life. I reckon you are the 
leavings of many deaths; 
(No doubt I have died myself ten thousand 
times before.) 
— Walt Whitman. 
