INDEX. 759 



Page. 



Spanish migration to tropical Aniericii 582 



Spear, J. L., donation to Zoological Park 58 



Spectro-bolographic work in astro-physical observatory 60 



Spectrocope observations on Mount Blanc 261 



Spectroscopic measurement, Prof. Michelsou on 718 



Spectrum, diminished, Prof. Bering 452 



effect of hydrogen on 130 



invisible, investigations of 31 



map of 62 



measurement of wave leugths 63 



photographic reproduction of 151 



Spencer, Herbert, on natural selection 609 



Sprenger, Dr., on original home of Semites 684 



Sproesser, M. E. C, donation to Zoological Park 57 



Star worship of pyramid builders 101 



Stars, variable, by Prof. C. A. Young 107 



State Department, cooperation with 22 



exchanges of 48 



Stationery, expenditure for xx, xxi, xxii, xxvii, xxxi, xxxiv, xxxv 



Steam, electrified, experiments with 201 



Steam jets, condensation of 201 



Stephenson, Mrs. Matilda C, on folklore 604 



Stereotype plates and cuts, preservation of 17 



Stevenson, Adlai E., member of Smithsonian Institution 1 



Mrs. Matilda Coxe, on Indian mythology 23, 41 



Mrs. Sara T., on folklore 604 



Stewart, Alexander, courtesies from 50 



Stiles, Dr. C. W., advisory committee on Naples table 15 



concerning Naples station 14, 15 



Stokes, Sir George G. , on the lurainiferous aether 113 



Stolze, Dr. F., on color photography 157 



Stone age, J. D. McGuire on 621 



basis for oriental study, Prof. Tylor on 701 



in France, sculpture during 603 



implements, present use of 706 



Strasburg University, publications from 68 



Suabians, migration of 580 



Sully, Prof., on study of child-mind 611 



Sun, blue or green appearance of 216, 225 



composition of the 130 



Sun age and earth age 351 



Sun and earth, connection between 114 



Sunbeams, atoms and. Sir Kobert Ball on 121 



Surgeon-General's Office, exchanges of 48 



Surveys for map-making 421 



Sweden, exchange agency 51 



marine biological stations in 517 



transmissions to 52, 53 



Switzerland, exchange agency 51 



glacial origin of lakes in 286 



movement of glaciers in 278 



transmissions to 52, 53 



Syriac language, origin of 688 



