Vlll, 



INDEX. 



Belknap, Henry, 179. 



Biddle, Alexander, 7S. 



Cook, John, 3. 



Cope, Caleb, 3. 



Dillingham, Wm. H., 3. 



Fouike, Wm. P., 247. 



Goddard, Rev. Kingston, 3. 



Grant, Dr. Wm. R., 260. 



Haines, Robert, 3. 



Horner, Prof. Wm. E., 162. 



Henry, Dr. Bernard, 179. 



Lea, Henry C.,28. 



Lejue, Wm. R., 28. 



Lewis, Dr. Francis W., 239. 



Meigs, Prof. Charles D.,51. 



Norris, Octavius A., 239. 



Roberts, Edward, 64. 



Smith, John Jay, 28. 



Smith, Dr. Francis G., 162, 



Whitman, Wm. I;:., 28. 



Wilson, Wm. S., 68. 



Wolgemuth, F. F., 28, 

 Michael, Capt. W,, don, to mus., 175. 

 Michel, Dr. Mydleton, on the generation 



of the Opossum, 46. 

 Moricand, M., don. to mus., 164. 

 Morris, Miss E, C, don. to mus., 17.5; 



don. to lib., 177. 

 Morris, Miss M. H., on Cecidomyia 



culmicola, 194. 

 Morton, Dr. S. G., don. to and dep. in 



mus.. 29, 51, 52, 69, 80, 137, 187, 241, 



261; don. to lib., 32, 52,72, 143, 164, 



188, 189, 190, 265; observations on a 



Bushman Hottentot boy brought to 



Philada., 5; remarks on some ancient 



Peruvian crania from Pisco, 39 ; on 



some crania of Shoshonee Indians, 75; 



on an antique silver image from Peru, 



115; observations on the size of the 



brain in various races and families of 



man, 221 ; on a specimen of " bloody 



bread," 246. 

 Morton, Wm. T. G., don. to lib., 176. 

 Moss, Theodore F., don. to mus., 138, 



175, 188, 241. 



Neill, Dr. John, don. to mus., 241, 

 Newbold, Wm, L., don. to mus., 175; 

 remarks on some peculiarities in the 

 African cranium, 221. 

 Nott, Dr. Josiah C, don, to lib., 205, 

 Nuttall, Thomas, don. to lib., 82; de- 

 scriptions of plants from the Rocky 

 Mountains and California, collected 

 by W, Gambel, 7, 



Officers for 1848, 136; for 1849, 260, 



Palmer, A, A., don 



to lib,, 111, 



Pease, Wm, S,, observations on the geo- 

 logy and natural history of Mexico, 9 1 . 



Peirce, Jacob, remarks on a hybrid be- 

 tween the Guinea fowl and Peacock, 

 35. 



Percival, Thomas C, don. to mus., 137; 

 don. to lib., 70, 81. 



Percival, Miss M., don. to lib., 244. 



Piddington, Henry, don. to lib., 244. 



Pitcher, R., U. S. N., don. to mus., 241. 



Pickering, Dr. Charles, on the faculty 

 of vision in the Balani, 2 ; remarks in 

 relation to estimates of the length of 

 the year, 58. 



Powel, Samuel, don, to mus,, 138. 187, 

 205, 241, 



Publication Committee of Acad, Nat. 

 Sci., don. to lib., 82, 205, announce- 

 ment by, of publicaf ion of part 2, new 

 series of journal, 75; do. of part 3, 193. 



Pulte, Dr. J. H,, don, to lib., 52. 



Prince de Wied, don to lib., 205, 



Professeurs du Jardin des Plantes, don. 

 to mus., 109, 



Ravenel, Dr, E., don. to lib., 188. 



Read, James, don. mus., 187 ; don. to 

 lib., 71. 



Recording Secretary, report of, for 1848 

 and 1849, 251. 



Redfield, Wm. C, don. to mus., 109. 



Redfield, John H., don. to lib., Ill, 



Regents of University of State of New 

 York, 82, 138, 166, 189. 



Reid, Mr., don. to mus., 137. 



Report of committee on Mr. Conrad's 

 additional descriptions of tertiary fos- 

 sils of the United States, 64 ; on Dr. 

 Gibbes' monograph of the fossil squa- 

 lida3 of the United States, 65; ap- 

 pointed to prepare a corrected list of 

 members and correspondents, 116; on 

 Prof. Johnson's letter proposing to 

 memorialize Congress on the import- 

 ance of adding a naturalist to the as- 

 tronomical expedition to Chili, 116; 

 on Mr. Cassin's catalogue of the vul- 

 turida; and strigidas in the collec- 

 tion of the Academy, 150; on Dr. 

 Morton's additional observations on a 

 new species of hippopotamus, 162 ; on 

 Dr. Gambel's remarks on the birds of 

 California, and also on his notes on 

 the Columbida3 in the collection of 

 the Academy, 171 ; on Dr. Meigs' ob- 

 servations on the reproductive organs, 

 and on the foetus of the Delphiniis 

 Nesarnak, 174, on Prof. Haldeman'.s 

 descriptions of new cryptocephalin.T, 

 179 ; of the committee appointed to 



