60 Observations on the Terrestrial * 



1862, Edward S. Morse, on the occurrence of Helix multidentata 

 beneath Indian deposits. Proc. Portland Soc. Nat. His. 

 Vol I, p. 98. 



1862. C. B. Fuller, Report on Marine Zoology in Report on the 

 Agriculture and Geology of Maine for 1862, p. 129. 



1864. Edward S. Morse, Synopsis of the Fluviatile and Terres- 

 trial Mollusca of the State of Maine, double sheet, published 

 by the author. 



