• Proceedings of the Boston Society of Natural History. 
Vol. 29, No. 7, 
p. 133-162. 
LIST OF MARINE MOLLUSCA OF COLDSPRING HARBOR, LONG 
ISLAND. WITH DESCRIPTIONS OF ONE NEW GENUS 
AND TWO NEW SPECIES OF NUDIBRANCHS. 
llY Francis Noyes Balch. 
With one plate. 
BOSTON: 
PRINTED FOR THE SOCIETY. 
October, 1899. 
