314 ALPHABETICAL INDEX 



Texas — 



hail storm in— G. M. Bache. (K. 1870) 244 



new cretaceous invertebrate fossils from, descriptions of — C. A. White. 



(P. 1879) .. 333 



ornithology of, notes on — J. C. Merrill. (P. 1878) 332 



plants of, collected by C. Wright. Parts i, ii— A. Gray 22, 42 



zoological position of — E. D. Cope : 412 



Thalassophila— W. G. Binney 143 



Thenard, L. J., memoir of, by M. Flotjrens. (K. 1862) 150 



Theoretical researches — See Plateau, J. 



Theories, kinetic, of gravitation— W. B. Taylor. (R. 1876) 299, 395 



Theory — 



mechanical, of heat, principles of — J. Muller. (E. 1868) 224 



modern, of chemical types — C. M. Wetherill. (R. 1863) 187 



of heat, recent progress in relation to — A. Cazin. (R. 1868) 224 



Thermometer scales, table for conversion of centigrade to Fahrenheit. (R. 1863.) 187 



Thermometer, wet and dry bulb, tables for — J. H. Coffin 87 



Thermometric observations 157 



Thermometrical tables— A. Guyot 153 



Thompson, T. Mounds in Iowa and Illinois. (R. 1879) 345 



Thoughts on the nature and origin of force — W. B. Taylor. (R. 1870)— 244, 375 



Thrushes, description of two new, from United States — R. Ridgway. (P. 1881.) 467 

 Thunder — 



and lightning, observations on — S. Masterman. (R. 1855) 77 



storm, on John Wise's observation of a — R. Hare. (R. 1854) 75 



storms, instructions for observations of — J. Henry 235 



Tidal observations — 



at Wolstenholm Sound— Com. Saunders 130 



in the Arctic Seas — I. I. Hayes 196 



in the Arctic Seas — E. K. Kane 130 



Tide, flood, law of deposit of the— C. H. Davis 33 



Tides and tidal action in harbors- J. E. Hilgard. (R. 1874) 286, 390 



Tiffany, A. S. Shell-bed skull from Illinois. (R. 1874) 286 



Timber of submarine structures, occurrence of Chelura terebrans, a crustacean 



destructive to— S. I. Smith. (P. 1879) 333 



Time and space, lecture on relations of — S. Alexander. (R. 1861) 149 



Tinneh or Chepewyan Indians of British America — G. Gibes; W. L. Hard- 



isty; S. Jones; B. R. Ross. (R. 1866) 214, 365 



Tipulidaj, monograph of — R. Osten Sacken 219 



Toellner, A. Antiquities of Rock Island county, Illinois. (K. 1879) 345 



Tokio, University of, catalogue of Japanese woods presented by — L. F. Ward. 



(P. 1881) 467 



