SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE 
NEREIS 
BOREALI -AMERICANA 
OR, 
CONTRIBUTIONS TO A HISTORY OF THE MARINE ALS JE 
OF NORTH AMERICA. 
WILLIAM HENRY HARVEY, M.D., M.R.I.A., 
KEEPER OF THE HERBARIUM OF THE UNIVERSITY OF DUBLIN, AND PROFESSOR OF BOTANY TO THE R. D. S. 
PART L— MELANOSPERME2E. 
WASHINGTON CITY: 
PUBLISHED BY THE SMITHSONIAN INSTITUTION. 
JANUARY, 1852. 
NEW YORK: G. P. PUTNAM 
