CHECK-LIST NORTH AMERICAN HEPATICAE 
By Miss C. C. Haynes and Dr. A. W. Evans 
Lists all forms known to occur in the United States and Canada. First Sup- 
plement now ready. Price, for either List or Supplement, 25c per dozen, 50 for 
$1.00. 
MRS. ANNIE MORRILL SMITH, 78 Orange St., BROOKLYN, N. Y. 
COMPLETE SETS of the BRYOLOGIST, Vols. i~xvi (1898 1913) the earlier 
issues having been reprinted, are now on sale for $15.00; Ten-year Index, $1.00. 
Early volumes with detailed articles for beginners, sold separately. 
EDWARD B. CHAMBERLAIN, 18 W. 89th St., 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. 
