402 



INDEX. 



PAGE 

 Stratigraphy of the jNIissis- 

 sippian Series in the 



Batesville Region 278 



Stratigraphy of .the Typical 



Mississippian Section 280 



Comparison of the Two Sec- 

 tions 281 



Conclusion 282 



Plates XIX, XX, XXI at 



end of Vol. 



Science and Voice Production.. 70 



Serpentines near New York .... 325 



Shell Adaptation (Placuanomia 



to Saxidotuus) 77 



Shiland, Andrew, elected resi- 

 dent member 367 



Sihler, Prof. E. G., elected resi- 

 dent member 70 



Singing Sands on Cape Cod 3 



Sommerfield, Wm. I., elected 



resident member 318 



Special IMeeting, Geology 317 



Sperrenburg Well 189 



Stated Meetings, 7, 9, 29, 43, 69, 

 70, 72, 74, 75, 95, 137, 165, 

 222, 304, 305, 319, 330, 364, 

 366, 374, 395. 

 Stipules, Nature and Origin of 151 

 Summer School under Alliances 

 Franciases 69 



Tetrad Formation in Plants. . . . 151 

 Thermonetus used in Subterra- 

 nean Temperature Work. . . 189 

 Thompson, Prof. James J., Univ. 

 of Cambridge, England, 

 Elected Honorary ISIember 1 

 Trenton Gravels, Recent Explo- 

 rations in 395 



Trail-plates of Circumpolar Stars 139 

 Trippler, C £., elected resident 



member 318 



PAGE 



Tufts, Dr. F. L., elected resi- 

 dent member 375 



Tungsten, atomic mass of 332 



Underwood, L. M., elected resi- 

 dent member 367 



Use of the Hair Hygrometer ... 3 



Variation of Latitude and De- 

 termination of the Constant 

 of Aberration 318, 19 



Vertical Research Laboratory at 



Columbia described 368 



Waiburg, Mr. F. N,, elected 



resident member 70 



Well-boring at Key West 43 



Wheatstone Bridge, Hydraulic 



Working Model of 318 



Whitman, Alfred A., elected 



resident member 318 



Willey, Arthur, elected corre- 

 sponding member 318 



Wills, Charles T., elected resi- 

 dent member 318 



Woodhull, Prof. John F., elec- 



ied resident member 30 



X-ray Fluorescence, Note on the 



Color 30 



Young's Reversion Layer in the 



Sun 376 



Zoological Expedition of 1896, 



Columbia University 33 



Zoological Expedition to Puget 

 Sound and Alaska from Co- 

 lumbia University, Report 364 



Zoological Laboratory at Port 

 Townsend, Washington, 

 Expedition to 7 



