INDEX. 269 



Page . 



Torrey, Dr. John, Plants referred to 227 



Totten, General, Resolution on alteration of East Wing 73 



Tracts on Practical Subjects 211 



Treasurer, Report of 73 



Treatises on Particular Subjects 165, 139, 131 



Troost, Dr., Memoir by. 213 



True policy of the Institution 234 



Turkey, Institutions in 49 



Turner, Professor W. W., Choctaw Grammar examined by 241 



Turner, Professor W. W., Dakota Grammar examined by ■, 215 



Turner, Professor W. W. Report on Squier & Davis 144 



Tyson, Job R., Lectures by 251, 27 



Unity of the Plan of the Animal Creation, Lectures on 207 



Unverified Speculations excluded from the Contributions 136 



Value of Works received by Exchange 249 



Van Dieman's Land, Institutions in 49 



V^ariation of the Needle 20 



Vastness of the Visible Creation, Lectures on 207 



Vattemare, M., System of Exchange 218 



Vindication of Researches and Memoirs 237 



Vinton, Dr. A. H., Lectures by 230 



Walker, Hon, Robert J., Observations directed by 213 



Walker, Sears C 244, 221, 169 



Warren, Josiah, New Method of Stereotyping 225 



Water, Earth, Air, Fire, Lectures on 251 



West India Islands, Meteorological Observations from 176 



Whittlesey, Charles 236, 219 



Wilkes, Com., Plants collected by Exploring Expedition under 16 



Will of Smithson 107 



Winds of the Northern Hemispiiere 213 



Wilson, Prof., of England, Models, &c., from 76 



Wilson, American Ornithologist, Letter to Michaux 135 



Wind Vanes 198 



Wisconsin, Antiquities of. 220, 14 



Wistar, Dr., Gigantic Sloth 239 



Wislizenus, Dr. , Plants gathered by 212 



Wotherspoon, Dr., Reduction of Meteorological Observations, by 197 



Wright, Charles, Explorations 212, 177 



Wyman, Dr. Jeffries, Anatomy of the Frog, by 238 



Wynn Estate, Communications respecting 75 



Wynn, Mr., account of Bequest of. ^ 234 



Young, Dr., Index to Natural Philosophy, by 225 



Young Men's Christian Association, Lectures 27 



Zoology, Promotion of, by the Institution 232 



Zoophytes, Troost 's Memoir on 213 



