INDEX. 



593 



Blood-staius, microscopic determiuatiou 

 of, 270. 

 spectroscopic examination 

 of, '270. 

 Blower, automatic hydraulic, 414. 

 Blue for cotton, 493. 



Boats, submerged chain for towing, 44G. 

 Bobretzky, Dr. N., 338. 

 Boeck, Dr. William, 541. 

 Bohemia, rainfall in, 'J3. 

 BOhmer, Dr. W., 1. 



Boiler incrustation, prevention of, 430, 43T. 

 Boisbaudran, 203, 204, 

 Bollaert, William, 541. 

 Bolton and Sayce, 476. 

 Boltzmann, 157. 

 Bond, G. P., 21. 

 Bong, Gaston, 199. 

 Bonuafont, Dr., 532. 

 Bonneville Lake, 260. 

 Bon temps, C.,44S. 

 Bora of Southern Russia, 120. 

 Borax lake of California, 223. 

 Borchardt, 3. 

 Border-line between plants and animals, 



280. 

 Boring for coal, 225. 

 Borlan, Alexander, 541. 

 Botany and horticulture, 347. 



of the valley of the Colorado, 2G2. 

 Bothkamp Observatory, 51. 

 Bothriocephali, 337. 

 Bottger, Prof., 193, 491, 493. 

 Bouart, 515. 

 Boucard, 310. 



Bouchardat, Prof., 185, 538. 

 Boucherie, 431. 

 Bouguer, 13. 

 Bourget, 25. 

 Boussiuesq, 141. 

 Boussiugault, 185. 

 Bowring, J. C, 331. 

 Brachelli, 437, 

 Brai liquide, 464. 



Brain, nature of the invertebrate, 287. 

 Brainard, 427. 



Brass and copper, coating with zinc, 514. 

 Braun, 1G6. 



Brayton ready motor, 473. 

 Bredichin, Dr. T., 2G, 35, 37. 

 Bretschneider, Dr. E., 10. 

 Brighton aquarium, 307, 318, 320. 

 Bromide of lithium, action of, 530. 

 Bromine, American, 194. 

 Brongniart, Adolphe, 541. 

 Bron'totheridse, the, 301. 

 Bronze period, female clothing in, 294, 

 Bronzing iron castings, 515. 

 Brooks, Dr. W. K., 338. 

 Broom-plant as a libre, 367. 

 Broun, 102. 

 Brown, Dr. Christian, 529. 



J. A., 267. 

 Brown stain on oak, 495. 

 Brownish patina on zinc, 516. 

 Bruce, J. H., 39S, 

 Bruchmiiller, 3C1, 



Brucine, conversion into strychnine, 207. 

 Bruhns, Dr., 15. 

 Brnnow, Prof., 33. 



Brushes from squirrels' tails' hair, 503. 

 Buchan, 83, 116. 

 Buchholz, Dr. K.,541. 

 Buchwalder, 146. 



Buckland, Frank, 1S8, 308, 313, 407, 408. 

 Buds, prevention of the freezing of, 369. 

 Buffalo, rapid destruction of the, 302. 

 BiUirig, 201. 

 Building materials, conduction of heal bv, 



145. 

 Bulow, Von, 51. 

 Bunsen, Prof., 109, 201. 

 Burnell,A. H.,319. 

 Burnham, S. W., 23. 

 Busch, 144. 

 Busk, Prof., .337. 

 Bussey Institution, 375. 

 Butea, 526. 



Butter, detection of oleomargarine in, 424. 

 Butterflies, mimicry of, 283. 

 Buys-Ballot, 83. 



and Scott, 115. 



C. 



Cabieu, 383. 

 Cailletet, 150, 178. 

 Calculating machines, 43. 

 Calcutta Observatory, 40. 

 California, borax lake of, 223. 



culture of carp in, 403. 

 deer, a new, 304. 

 Fish Commission, 401. 

 Calluna vulgaris, 35S. 

 Calorimeter, new, 148. 

 Canada, meteorologv in, 80. 



report of tisheries of, 1S75, 391. 

 Canals, single-rail steam towage, 445. 

 Candle in a walking-cane, 419. 

 Candolle, A. de, 353. 

 Caoutchouc from milkweed, 3G7. 

 Cape Ann Family Almanac, 380. 

 Cape of Good Hope Observatory, 22. 

 Capillarity, Gauss' theory of, 142. 

 Capronnier, 275. 

 Carbolic acid, manufacture of, 207. 



action of, on wood, 431. 

 Carbon dioxide in mineral cavities, liquid, 

 198. 

 from a gas-retort, 198. 

 monosulphite, 199. 

 Carbonic oxide, electrical alarm against, 

 540. 

 non- oxidation of, by 

 ozone, 213. 

 Carbonnier, 321. 

 Carius, 210. 



Carnivorous plants, glands of, 363. 

 Carp in California, 403. 

 Carpenter, Dr., 273. 



reclamation of, 344. 

 Carpentier, F.,64. 

 Carre's carafe machine, 522. 

 Carrier-pigeons, 403. 

 Carriugtou, H. A., 146. 

 It. C, 541. 

 Carson River valley, 263. 

 Casamnjor, 177. 

 Case, Theodore S.,464. 

 Caspari, 81. 

 Castelnau, 319. 

 Castracane, Count, 273. 

 Cast steel for locomotive boilers, 432. 

 Cast-steel wire ropes, 44.'). 

 Catalogue of all the birds known, 310. 



of new double stars (Cincin- 

 nati), 47. 

 Catalogues of double stars, 17. 

 Caton, Judge, 304. 



