12 CATALOGUE OF AUTHORS. 



Say, Thomas. Description of seven species of American Fresh- 

 Water and Land Shells not noticed in the Si/stems. Journal 

 of the Academy of Natural Sciences of Philadelphia, Vol. i. 

 pp. 13 — 18. May, 1817. 

 . Descriptions of neio species of Land and Fresh-Water Shells. 

 Same Journal. Vol. i. pp. 123 — 125. October, 1817. 



Account of tioo new Genera, and several new species of Fresh- 

 Water and Land Shells. Same Journal. Vol. i. pp. 276 — 

 284. May, 1818. 



Descriptions of Univalve Shells of the United States. Same 

 Journal. Vol. ii. pp. 149 — 179. January, 1821. 



Descriptions of Univalve terrestrial and fluviatile Shells of the 

 United States. Same Journal. Vol. ii. pp. 370 — 381. De- 

 cember, 1822. 



Descriptions of some new species of Fresh-Water and Land 

 Shells. Same Journal. Vol. v. pp. 119 — 131. August, 

 1825. 



Expedition to the Source of St. Peter^s River, Lake Winnepeck, 

 (Sfc, performed in the year 1823, by order of John C. Cal- 

 houn, Secretary of War, under the command of Stephen H. 

 Long, Major U. S. T. E. Appendix. Zoology. Vol. ii. pp. 

 253 — 378. With figures. 8vo. Philadelphia, 1824. 



American Conchology, or Descriptions of the Shells of North 

 America, illustrated hy colored figures. Six numbers. 8vo. 

 New Harmony, Indiana. 1830 — 1834. A posthumous num- 

 ber has been published in Philadelphia, by Mrs. Say. 



Descriptions of some new terrestrial and fluviatile Shells of North 

 America. Disseminator of Useful Knowledge. New Har- 

 mony, Ind. 1829 — 1831. And Transylvania Journal of 

 Medicine, vol. ii. 1832. Collected and published in pam- 

 phlet form, under the same title, pp. 26. 8vo. New Har- 

 mony, 1840. 



Sager, Abm., M. D. Detroit, Michigan. Catalogue of Animals 

 observed in the State of Michigan. Contained in the Second 

 Annual Report of the State Geologist ; Document of the Sen- 

 ate of Michigan. No. 13. Detroit, Mich., Feb. 1839. 



Transactions of Societies devoted wholly or in part to Natural 

 History, viz. : 

 Annals of the Lyceum of Natural History of New York, 4 vols. 

 8vo. 1823 to 1826. 



