SEA MOSSES. 



A COLLECTOR'S GUIDE 



AN INTRODUCTION TO THE STUDY 



MARINE ALG^. 



BY 



A. B. HERVEY, A.M. 



ILLUSTKATED WITH TWENTY FULL-PAGE ENGRAVINGS IN COLOR, 

 FROM PHOTOGRAPHS OF ACTUAL SPECIMENS. 



BOSTON : 

 S. E. CASSINO, PUBLISHER. 



1882. 



