Complete Sets of the Bryologist 
Through reprinting of the early issues complete sets of The 
Bryologist can now be supplied for $15.00; Ten-year Index, $1.00 
extra. Early volumes, containing detailed articles for beginners, 
will be sold separately as long as possible. Prices on application. 
EDWARD B. CHAMBERLAIN 
18 WEST 89TH STREET NEW YORK CITY 
MOSSES WITH HAND-LENS AND MICROSCOPE 
Bound in cloth $7.00, in half leather $7. 50. Printed by McFarland on best 
coated paper, 8x11 inches, 88 full-page plates, 265 text-figures. 
“The book is admirable both in conception and execution.” Prof. C. R. Barnes, University of 
Chicago, in the Botanical Gazette, June, 1904. 
“The best elementary manual of mosses in any language.” Prof. J. M. Holzinger, Minnesota 
State Normal School, in the Bryologist, Nov. 1903. 
“Must be considered the most important work that has yet been published on North American 
Mosses.” Prof. John Macoun, Canadian Geological Survey, in Ottawa Naturalist, Sept. 1906. 
Sample pages on application. 
MOSSES WITH A HAND-LENS, a smaller book, especially adapted for 
beginners, describes 250 mosses and 50 hepatics that can be identified by 
means of a hand-lens alone. 224 pp. 8vo., copiously illustrated, $1.75. 
“I take this opportunity to tell you how satisfactory I find your book in introducing 
students to the taxonomy of the Bryophytes.” Prof. Lincoln W. Riddle, Wellesley College. 
Dr. A. J. GROUT, Author and Publisher 
New Dorp, Richmond Borough, New York City 
Manual of Mosses of Western Pennsylvania 
By O. E. JENNINGS, Ph. D., 
CARNEGIE MUSEUM AND UNIVERSITY OF PITTSBURGH 
A Manual, with full descriptions and keys, dealing with all mosses known to 
occur in the western half of Pennsylvania, including also species of adjacent 
regions which are to be expected within the region covered. Illustrated by 
fifty-four pages containing more than two thousand figures from original draw- 
ings of specimens collected in the region embraced. 
Printed upon light, unglazed stock, bound in stiff paper, 6x9 inches, 429 pp. 
Edition limited to 250 copies; for sale at $2.75 each, by mail, $2 88. 
ADDRESS 
DR. O. E. JENNINGS 
CARNEGIE MUSEUM 
PITTSBURGH, PENNA. 
