REPORT 



ON THE 



INVERTEBRATA OF MASSACHUSETTS, 



COMPRISING THE 



MOLLUSCA, CRUSTACEA, ANNELTDA, AND RADIATA. 



A \ 



f\ U n U ST U S Koci ! 



// 



PUBLISHED AGREEABLY TO AN ORDER OP 



THE LEGISLATURE, 



BY THE COMMISSIONERS ON THE ZOOLOGICAL AND BOTANICAL SURVEY 

 OF THE STATE. 



CAMBRIDGE: 

 FOLSOM, WELLS, AND THURSTON, 



PRINTERS TO THE UNIVERSITY. 



1841. 



