New Check-List of North American Hepaticae 



By Miss C. C. Haynes and Dr. A. W. Evans 

 Lists all the 438 species known in 1918 to occur in the United 

 States, Canada, and Arctic America. Printed in form suitable 

 for marking desiderata or exchanges. 



Prices: jc each, 25c per dozen. 

 MISS C. C. HAYNES - - - HIGHLANDS, N. J. 



CLUBBING OFFER 



The rates below, made in cooperation with Dr. Grout for subscription to 

 the Bryologist or membership in the Moss Society, apply ONLY to remittances 

 made at one time, in advance, to Mr. Chamberlain. They do NOT apply to 

 accounts received through agents or dealers. 



Moss Flora of N. Y. City and Bryologist, $2.10; with membership, $2.35. 

 Mosses with Handlens, Ed. ii, and Bryologist, $2.75; with membership, $3.00. 

 Mosses with Handlens and Microscope, unbound, and Bryologist, $6,50; with 

 membership, $6.75. Bound copies, 75c extra. 



EDWARD B. CHAMBERLAIN, 18 West 89th St., NEW YORK 



