r\ 



VOLUMES XXI-XXX. 



503 



Botany — 



Peach, origin of, v, 370. 



Per sea gratissima, vi, 128. 



Phanerogams, comparative anatomy 

 of, ix, 72. 



PhilozooD, iii, 329. 



Podostemaceas, ii, 492 ; iv, 400. 



Portulacca oleracea, v, 253. 



Potatoes, cultivated, v, 246. 



Resins, office of, in plants, iii, 494. 



Respiration of plants, iii, 423. 



Roses of North America, xxx, 1 66. 



Saprolegnia, of salmon disease, iv, 74. 



Schasnonardus Texanus, iii, 71. 



Scleria, revision of, xxx, 246. 



Seeds, vitality of, iv, 297. 



Spongiophagus Carteri, ii, 493. 



Starch grains, origin of, i, 330. 



Taxonomy, thoughts on, vii, 241. 



Tetracoccus, xxx, 166. 



Timber-line, Gannett, iii, 275. 



Tomato in cultivation, vi, 128. 



Trilisa, viii, 403. 



Uredines, hetercecisrn of, v, 314. 



Ustilaginese, Woronin, iv, 73. 



Varieties, names of, Gray, vii, 396. 



Veatchia, Gray, vii, 4!3. 



Vegetable kingdom, development of, 

 v, 394. 



Water in plants, movement of, v, 237. 



Welwitchia, seedling of, i, 412. 



Wood, structure of, v, 480. 



Woods, strength of, i, 251. 



Tarns, cultivated, v, 250. 



" Yellow cells " of Radiolarians and 

 Ccelenterates, iii, 328. 



Zoochlorella, iii, 329. 



See further under Geology. 

 Bouve, T.T., Boston Soc. Nat. Hist., ii, 85. 

 Bower, F. O., Practical Instruction in 



Botany, xxx, 164. 

 Bowerbank, J. S., British Spongiada, iv, 



477. 

 Bowman, J. E., Introduction to Practi- 

 cal Chemistry, xxx, 158. 

 Brackebusch, D. L., Minerals of Buenos 



Aires, i, 161. 

 Brackett, G. F., galvanometer for power- 

 ful currents, i, 395. 



the Littrow spectroscope, iv, 60. 

 device for measuring power, vii, 20. 

 Elementary Physics, ix, 61. 

 Brady, H. B., new genus of spherical 



rhizopods, v, 84. 

 Braithwaite, R., British Moss-Flora, i, 



329; ii, 239. 

 Brazil, diamond in, Derby, iv, 34. 

 geological report, iv, 153. 

 gold in, Derby, iii, 178 ; viii, 440. 

 itacolumite of, Derby, viii, 203. 

 martite of, Derby, iii, 373. 



Brazil, minerals of, vii, 73 ; ix, 70. 



nickeliferous iron of Sta Catarina, iii, 

 229; ix, 33, 496. 



plants of, iii, 244, vi, 247, viii, 402. 

 rocks of, Derby, vii, 138. 

 Brendel, F., Flora Peoriana, not., v, 81. 

 Brewer, W. H., suspension and sedimen- 

 tation of clays, ix, 1. 



evolution of the trotting horse, v, 

 299. 

 Brezina, A., Kryst. Untersuchungen, viii, 

 75. 



Meteorites of Vienna Mus., xxx. 

 402. 

 Bricks, Milwaukee, iv, 154. 



mineral from, i, 157. 

 Briosi, G-., on an organ of some vegeta- 

 ble embryos, noticed, iv, 296. 

 Brinton, D. G-., Aboriginal American 

 Authors, vii, 498. 

 the Giieguence, vii, 498. 

 British Columbia, Cambrian or Primor- 

 dial, rocks in, xxx, 79. 



geology of, Dawson, ii, 75. 

 Mesozoic of, Whiteaves, ix, 444. 

 Britton, N. L., Staten Island Geology, ii, 

 488. 



pot-holes in the Bronx valley, v, 158. 



N. A. species of Scleria, xxx, 246. 



Broadhead, G. G, Carboniferous rocks 



of Kansas, ii, 55. 

 Bromine, carbon compounds in manufac- 

 ture of, v, 308. 



union of, with chlorides, xxx, 381. 

 vapor-density of, iv, 142. 

 Bromoform, direct production of, i, 236. 

 Brongniart, G, Silurian fossil cockroach 



in France, ix, 419. 

 Brooks, W. K., Development of the 

 Squid, ii, 414. 



the Law of Heredity, vii, 156. 



Invertebrate Zoology, iii, 491. 



Brown, W. G., quartz-twin from Virginia, 



xxx, 191. 

 Browne, A. E., Becker's theory of fault- 

 ing, viii, 348. 

 Browne, W. R., glacjer motion, vi, 149. 

 Bruce, A, T., brains of Tertiary mam- 

 mals, vi, 70. 

 Bruhl, J. W., on molecular structure and 



refractive power, i, 70. 

 Brun, fulgurites in the Alps, ix, 415. 

 Brush, G. J., American sulpho-selenides 

 of mercury, i, 312. 

 scovillite, v, 459. 



identity of scovillite and rhabdo- 

 phane, vii, 200. 

 Brysen, J., glacial phenomena of Long 



Island, v, 475. 

 Buenos Aires, vanadates from, ii, 157. 

 minerals of, v, 161. 



