NOTES OX MARINE COPEPODA OF RHODE ISLAND 



LEONARD WORCESTER WILLIAMS 



Work upon the non-parasitic Copepoda of America is very 

 fragmentary'. In recent years the papers of Wheeler, of G'les- 

 brecht, and of Herdman, Thompson, and Scott record a rela- 

 tively small number of forms from what is apparently an extremely 

 rich fauna. Miss Rathlnm's check-list of the Crustacea of New 

 Eno^IaiKl records twelve free-swimming marine Copepoda. None 

 of thvsr. however, is rei)orted in the waters of Rhode Island. 



This h>t reeords twenty-six free-swimming Copepoda, one 



1 am indebted to Dr. A. D. Mead of Brown bniver^ity for the 

 use of preserved material collected at WickfonI by the Rhode 

 Island Coininission of Inlan.l Fidierio; to FrofevMU- C. 15. Wilson 

 for kiiul a..>i>tanee; and to Mr. Samuel Ilen.diaw for the u>e of 

 books from (he Musemn ,.f ( 'oiuparative Zo.,|o-v at Harvard. 



Calanus finmarchicus ((dumeru.s) 



639 



