\ NEW edition of the Naturalists’ Directory has recently been 
^ issued by S. E. Cassino, Salem, Mass. This directory is in- 
valuable to naturalists, since it is a means of bringing together 
students and collectors in all parts of the world through cor- 
respondence. It contains an alphabetical list of English speaking 
professional and amateur Naturalists in all parts of the world, also 
a list of Scientific Societies and Periodicals. The price of the 
Directory is $2.50 in cloth binding, and $2.00 in paper binding. 
Sent postpaid. Address as above. 
BOOKS FOR SALE 
By A. J. GROUT, New Dorp, Richmond Borough, N. Y. 
Cavers, Inter-relationships of the Bryophyta 
Farlow, Host Index of Fungi of the United States, 3 parts. 
Marine Algae of New England 
A. Gray, Manual of Botany, first edition, Mosses by Sullivant . . . 
Grout, Mosses with a Hand-lens 
Mosses with Hand-lens and Microscope 
Loeske, Studien zur Morphologie and Systematic derLaubmoose 
Macvicar, Student’s Handbook of British Hepatics 
Torrey Botanical Club, Memoirs, complete 
Tuckerman, Synopsis of North American Lichens, Part I 
Tuckerman & Frost, Catalog Plants 30 miles Amherst, very rare. 
$1.50 
6.00 
3-50 
3-00 
i.75 
$7-oo and 7.50 
t .50 
5-oo 
10% below publication price 
8.00 
5.00 
MOSS EXSICCATAE FOR SALE 
Allen, Mosses of the Cascade Mountains, Washington. 
Brotherus, Bryotheca Fennica. 
Grout, North American Musci Pleurocarpi. 
Holzinger, Musci Acrocarpi Boreali-Americani. 
Pringle, Musci Mexicani. 
Owner will sell entire lot, about 1500 specimens, for less than original cost. 
Sets will not be sold separately. For further information, address, 
EXSICCATAE, care Dr. 0 . E. Jennings, 
Carnegie Museum, Pittsburgh, Penna. 
