(Sutbts to the fgtn&mm of tlu Boston Sorittg of |tatural Historg. 



GUIDE TO THE INVERTEBRATES 



OF THE 



SYNOPTIC COLLECTION 



IN THE MUSEUM OF THE 

 BOSTON SOCIETY OF NATURAL HISTORY. 



BY J. M. ARMS SHELDON. 



BOSTON : 

 PUBLISHED BY THE SOCIETY. 



1905. 



