1869.] 161 [Perkins. 



POLYZOA. 



Marine. 



ESCHARINA. 



Eseharina lineata Leidy, Proc. Acad. Nat. Sc. Phil. 

 Not uncommon on old shells and stones. 

 Eseharina variabilis Leidy, Proc. Acad. Nat. Sc. Phil. 

 Common on everything. 



Membranipora. 



Membranipora tenuis Desor. 

 Common on fucus. 



Cellularia. 



Cellularia turrita Desor. 



Quite common, thrown on the beach by storms. 



Lepralia. 

 One species; undetermined. 



Fresh Water. 



Fredericelxa. 



Prederieella regina Leidy; Hyatt, Obs. on Polyzoa, Am. Nat., 

 Yol. i, p. 64, pi. iii. 



Pectinatella. 



Peetinatella magnifiea Leidy; Hyatt, Obs. on Polyzoa, Am. 



Nat., Vol. i, p. 136, pi. iv. 



Plumatella sp? 



These are not uncommon in ponds. 



[The Polyzoa,, both fresh water and marine, have not been studied 

 carefully, and there is little doubt that many more species exist here.] 



In conclusion, I give a list of the species reported from Long 

 Island Sound, but not yet found in New Haven Bay. 



CEPHALOPODA. 



Loligo illecebrosa Les. Mentioned as common in various places. 



PROCEEDINGS B. S. N. H. — VOL. XIII. 11 DECEMBER, 1869. 



