INDEX OF AMERICAN AUTHORS. Go7 



From the Pacific Railroad Report, 248, 



From Explorations in Nebraska, 414. 



Supplement to the Terrestrial Air-breathing Mollusks of the United 

 States, 282. 



From the Proceedings of the Academy of Natural Sciences of Phila- 

 delphia, 386, 3S8, 390, 391-401. 



Complete Writings of Thomas Say on the Conchology of the United 

 States, 254. 



BLAND, T. 



From the Annals of the Lyceum of Natural History of New York, 241, 



242, 595, 59(5,597. 

 From Silliman's American Journal of Science, 218. 

 From Adams' Contributions to Conchology, 501, 502. 



BOSTON SOCIETY OF NATURAL HISTORY. 



From Hitchcock's Report on Geology of Massachusetts, 43. 



BRANDE. 



Dictionary of Arts and Sciences, 607. 



BULFINCH. 



From the Proceedings of the Boston Society of Natural History, 357. 



BURNETT, W. I. 



In the Proceedings of the Boston Society of Natural History, 3G7, 36S. 



CAILLAUD, F. 



From Silliman's American Journal of Science, 489. 



CARPENTER, P. P. 



From the Report of the British Association for the Advancement of 

 Science, f 300. 



Catalogue of the Collection of Mazatlan Shells in the British Museum, 

 458. 



From the Canadian Naturalist and Geologist, 431. 



From the Proceedings of the Academy of Natural Sciences of Phila- 

 delphia, 402. 



From Proceedings of the Zoological Society of London, 612. 



CASE, W. 



From Silliman's American Journal of Science, 341. 



CHICKERING, J. W., JR. 



List of Marine, Fresh Water and Land Shells found in the vicinity of 

 Portland, Maine, 243. 



