SEA MOSSES. 



A COLLECTOR'S GUIDE 



AN INTRODUCTION TO THE STUDY 



MARINE ALG^. 



BY 



A. B. HERVEY, A.M. 



ILLUSTRATED WITH TWENTY FULL-PAGF ENGRAVINGS IN COLOR, 

 FROM PHOTOGRAPHS OF ACTUAL SPECIMENS. 



BOSTON : 



BRADLEE WHIDDEN. 

 1893. 



