Vol. XVII.] 



INDEX. 



[Jan.-June, 1891 



Suicide amorg German chtldrfu, 166. 



Summer coursea in botany of Torrey Botanical Club, 



243; schools at Harvard, 173. 

 Swain, J., 3 ;S. 

 Symons, G. J., on rain-fall of Great Britain, 157. 



Taber, C. A. M., on Galapagos roofeeries, 290. 



Talmage's Domestic Science, 165. 



Tcneremis, the, 341. 



Teaching scienilfic method. 381. 



Teall's OotnpoundiDg of English Words, 292. 



Teeth sneezed out, 2.7. 



Telephone connection of London and Paris, 159. 



Temperature and pressure of air on Sonnblicli, 354. 



Tetanus and Diphtheria, cure for, 1; etiology of, 371. 



Thebes, discoveries In, 311. 



Theilman, E., 333. 



Thompson's Electro-Magnet. 97. 



Thrush, Intelligence of the, 356. 



Thunder-storms, 361; in Russia, 228. 



Thurston, R. H., on steam-jacket efficiency, £37. 



Tledemann's Record of Infant Life, 110. 



Time-measuring among sava^s, 37; In the Philip- 

 pines, 257; twenty-four notation tor, 173. 



Toads and salamaoders, skins of, 49. 



Toed, J. E., on seeing blood-corpuscles, 12 *. 



Tool', Roman, i98. 



Tornadoes, 344. 



Tortoise, American bos, 190; peculiar, from New 

 Guinea, 190. 



Townsend, C. H. T., 257. 



Treadwell, A. L., on souring of milk, 178. 



Trinidad vegetable fibres, 184. 



Trumbtiirs Physiological Psychology, 245. 



Tuberculine, effect of, on monkeys, 304. 



U. S. Geological Survey Report, No. 9, 123. 

 University extension, 174, 230, 307, 335; m Maiyland, 



187; of Pennsylvania. 287. 

 rpham's Salem Witchcraft, 262. 



Vaccination in France, 214. 

 Valais, entomology of, 187. 

 Veddas, the, 91. 

 feeder, M. A., on cycloues, 47; ' 



thunder-stormS; 



Vtlschow, F. A., on cold Wives, 135; on meteorology 



and mathematics, 51: on rain-formation, 108. 

 Vessels protected by lacquer, 41. 

 Vienna, statistics of, 187. 



W 



Wakeman, T. B., on Hunt's books, 137. 



Walcott, C. D., OQ fish in lower Silurian, 107. 



Ward, H. L., on flight of birds, 45. 



Ward's Petrarch, 81. 



Warfleld. E. D.,238., 



Waters, fluorides for softening, 99. 



Wave theory, 230. 



Weather and disease, 355; in Algeria, 243; in Bug- 

 land in Winter of 1890-91,242; cold, in England, 133; 

 periods In Kansas, 48; records, ancient, 357; ser- 

 vice of Maryland, 345. 



Wted, C. M., on brown rot in grapes, 92. 



Weed, W. H., on mineral waters of the Yellowstone 

 Park, 36. 



Weeds, six worst, 20O. 



Welsh pre-Columbian knowledge of America 172. 



Wentworth's Higher Algebra, 29.'. 



Whaling, novel, 6. 



Wharton School of Finance, 287. 



Whey for pigs, 311. 



White, Andrew D., 328. 



White's Philosophy ot .\merican Literature, 55, 68. 



Whllham's Constructive Steam-Eugineerlng, 151. 



Whiting's Physical Measurements, 164. 



Whitney, M., on soils, 342. 



Wiley, John, death of, 133 



Wiley, H. W., on sugar beet, 241. - 



Willcox's Divorce Problem, 1334. 



Williams, J., on hereditary deafness, 76. 



Wilson's Hypnotism, 363. 



Wind, hot, of Madeira, 313; and barometric pres- 

 sure, 301; velocities in Mauritius, 319. 



Wine production in France, 144. 



Winston, I., 9». 



VI olves In France, 114. 



Wood worth, C. W., on entomology, 77. 



Wrecks, floating, 257. 



Wren, the habits of, 49. 



Wright, G. F., on glacial grooves, 358. 



Wright, J. McN., on mocking-birds, 361; on food ot 

 moles, 121; on the shrike, 317; on a water-beetle. 

 135. 



Yellow-fever, Inoculation by mosqultos agalns', 155. 



Zimbabwe, 118; exploration of , 90. 



Zinc, battery, 354. 



Zmigrodzkls ethnographical books, 2il. 



Zoological articles In EnoyclopEedla Brltannlca, 235; 

 garden In Boston, 62; national, 134; station at Na- 

 ples, 118. 



