PROCEEDINGS, VOLS. 1-50 



THERM-TOWER 



Thermometer (contimied). 



— and barometer, Becker's self regis- 

 tering, 7, 339. 



Thompson, Elihu, efficiencj- of dyna- 

 mo-electric machines, 18, 58. 



obituar}- notice of George Fred- 



ereck Barker, 50, xiii. 



progress of the Isthmian Canal, 



46, 124. 



Thompson, Oswald, obituary notice 

 of, 10, 211. 



Thoracic feet, discovery of, in a 

 carboniferous Phyllocaridan. 23, 

 380. 



Thought as function, measurement 

 of, 36, 438. 



— coordination of methods of ex- 

 pressing, as applied to the system 

 of Public School instruction, 18, 



348. 



Thoughts, ripening of, in common, 

 43, 148. 



I'hree bodies, certain generaliza- 

 tions of the problem of, 48, 11 1. 



Thunder storm, in Princeton, July 

 14, 1841, effects of a. 2, iii. 



of June 20, 1867, 10, 344. 



Thurston, Robert H., obituary notice 

 of, 42, viii. 



Thyrsus of Dionysos, and the palm 

 inflorescence of the winged fig- 

 ures of Assyrian monuments, 31, 

 log. 



Tiaporus, new genus of Teiidae, 30, 

 132. 



Tidal ellipsoid, normal position of 

 the, 12, 123. 



— wave, lunar, in Lake Michigan, 7, 

 378. 



Tides and currents of ocean and at- 

 mosphere, 3, S6. 



— component elements of normal 

 barometric, 9, 405. 



— height of, 9, 291. 



—solar and lunar magnetic and 

 aerial, comparison of, 9, 487. 



Tilghman, Richard A., decomposing 

 power of water at high tempera- 

 tures, 4, 353. 



-obituary notice of. Memorial 



J'fllume, I, 189. 



Timber in the far West, scarcity of, 

 10, 322. 



— microscopic distinctions between 

 good and bad species, 20, 599. 



examination of, with regard to 



strength, 21, 333. 

 Timucua language, 16, 626; 17, 490; 



18, 465. 

 Tin plates, engraving on, 6, 165. 

 Titaniferous iron ore belt near 



Greensboro, N. C, 12, 139. 

 Titchener. Edw. B. and Wm. H. 



Pyle, after-images of subliminally 



colored stimuli, 47, 366. 

 • effect of imperceptible 



shadows on the judgment of dis- 

 tance, 46, 94. 

 Tittmann, O. H., the demarkation of 



the Alaska boundary, 47, 86. 

 Tlingit, Ilaida, etc., languages, 29, 



Toads, explanation of reported 

 showers of, 43, 163. 



Toltecs, were the, an historic nation- 

 ality?, 24, 229. 



Tombstone, Carthaginian, 38, 72. 



Tomiopsis, on the genus, 31, 317. 



Tonka wa language, 16, 318. 



Tooth, on the trituberculate type of 

 molar, in the ]\Iammalia, 21, 324. 



Topography as affected by the rota- 

 tion of the Earth, 13, 190. 



Tornado of August, 1838, i, 58. 



— August 5, 1843. 4. 12. 



— May II, 1865, 10, 108. 

 Tornadoes, electrical origin of, i, 



122. 

 Torques, African, 5, 202. 

 Tortoises. Cretaceous, 11, 16, 515. 

 Tower of the New Public Buildings 



in Philadelphia, 16, 337. 



