19 



BINNEY, WM. G. (Continued.) 



Descriptions of two supposed new species of American Land 

 Shells. (Read March 4th, 1857.) 



Vol. vi, p. 155 April, 1857. 



REPORTS OF EXPLORATIONS AND SURVEYS TO ASCERTAIN THE MOST 

 PRACTICABLE AND ECONOMICAL ROUTE FOR A RAILROAD FROM THE 

 MISSISSIPPI RIVER TO THE ATLANTIC OCEAN. SENATE DOCUMENT. 

 VOL. 6, 4TO. WASHINGTON, 1857. 



Reports on Zoology. 



No. 6. Report on the Land Shells collected on the Survey, 

 p. 111. 



IN PROCEEDINGS <>F THE ACADEMY OF NATURAL SCIENCES, PHILADEL- 

 PHIA. 



Descriptions of American Land Shells. (Read February 3d.) 



February, 1857, p. IS. 



Notes on American Land Shells, No. 2. (Read October 6th.) 



October, 1837, p. 183. 



Notes on American Land Shells, No. 3 (Read May 4th.) 



May, 1858, p. 114. 



Notes on American Land Shells, No. 4. (Read Nov. 9th.) 



November, 1858, p. 197. 



Notes on American Land Shells, No. 5. (Read July 19th.) 



July, 1859, p. 187. 



Notes on American Land Shells, No. 6. (Read May 8th.) 



May, I860, p. 150. 



Remarks on a species of Leda, and on the Geographical Distri- 

 bution of Shells. (Read February 7th.) 



February, -I860, p. 49. 



Description of new species of Pulmonata. (Read May 8th.) 



May, 1860, p. 154. 



The above papers are also published separately. 



