To 

 THE MEMOEY OF 



CHAP. LES B. ADAMS, 



LATE PEOFESSOR OF ZOOLOGY rN AMHEKST COLLEGE, MASS.; 



WHO DIED IN JANUARY, 1853, AT THE ISLAND OF ST, THOMAS, WEST [^INDIES, 

 IN THE THIRTY-NINTH YEAR OF HIS AGE J 



OF HIS ELDEST SON, 



CHARLES B. ADAMS, ' 



WHO DIED IN BROOKLYN, LONG ISLAND, N. Y., IN SEPTEMBER, 1861, 

 AT THE EARLY AGE OF TWENTY YEARS, 



THIS PAPER, ON A SUBJECT WHICH MUCH INTERESTED THE LATTER, AND TO OUR 

 KNOWLEDGE OF WHICH THE FORMER LARGELY CONTRIBUTED, 



Is affutionatels ^^bitattir 



BY THE AUTHOR. 



