INDEX TO SUMMAKY. 



Abbe, Prof. Cleveland, xxvii. 

 Abbott, Dr. C. C, cxxx. 



General, xliv. 

 Abney, lix. 

 Acoustics, 1. 

 Acworth, Ixxii. 

 Adlrondacks, the, xcvii. 

 Aerodynamic experiments, 



XXXV. 



Africa, cxv. 



Agardh, Prof. J. G., clxxvi. 



Agassiz, Alexander, cix, 

 cxlvi, civ. 

 Prof. L., cliv. 



Agriculture, clxxxi. 



Airy, Prof., xx. 



Akerman, Kichard, ccviii. 



Alert and Discovery, cxxiii. 



Algae, clxxix. 



Aliard, lix. 



Allen, F. A., cxxxii. 



J. A., cxlvi, clxxi. 



Alston, clxxi. 



American Chemical Society, 

 Ixx. 

 Naturalist, cxxx. 



Anatomical and physiolog- 

 ical investigations,cxxxix. 



Ancud, corvette, cxxvii. 



Andrau, Ferd. F. von, cxl. 



Anemometer, self-register- 

 ing, xxxvi. 



Annaleu der Hydrographie, 

 cxxvi. 



Anthropology, cxxix. 



Anuario del observatorio de 

 Madrid, cxi. 



Archaeology, cxxix. 



Arctic expedition, British, 

 cxliv. 

 geology, ci. 



Areschoug, Prof. J, E., clxxv. 



Arniieux, Dr., xli. 



Arouheim, Ixxvii. 



Arzberger, Ixxix. 



Asia, cxii, 



Askenasy, clxxvii. 



Astronomy, xvii. 



Astrophysikalisches Insti- 

 tut, xviii. 



Atwater, Prof. W. O., clxxxi. 



Auerbach, Prof., clxxvi. 



Aurora, origin of rhe.xxxviii. 



Austin, C. F., clxxv. 



Australia, cxviii. 



Aviation, memoir on, xlix. 



Bache, xxxiv. 

 Bacteria, clxxix. 

 Baird, Prof , cxxx, clxxi. 

 Balbiani, clxi. 

 Balloon voyages, xxx. 

 Balloons, hot-air, xxxiv. 



Barker, Prof. Geo. F., xlv, 



Ixx. 

 Barometer, a new siphon, 



XXXV. 



the aneroid, 

 xxxii. 

 Baron, Ixvi. 

 Barrett, Prof., cxl. 

 Barth, Ixxxi. 

 Baslian, clxxix. 

 Batavia Observatory, xxxi. 

 Bates, H.VV., clxi V. 

 Bathometer of Siemens, xlv. 

 Batty, William, ccvii. 

 Bauermann, Ixviii. 

 Bauke, Dr. Herra., clxxviii. 

 Baumhauer, xxxii, Ixxxv. 

 Baye, J. de, cxlii. 

 Beaumont and Rawsou, 



Lieuts., cxxiv. 

 Beccari, Odoardo, cxviii. 

 Becquerel, Ixvii. 

 Bedson, Ixxvii. 

 Behrend, Ixxii. 

 Beil, clx, ccviii. 

 Belt, xcvii, cxxxii. 

 Beuiham and Hooker, 



clxxvi. 

 Berg, Dr. Carl, cxxxvi. 

 Bergsma, Dr., xxxi. 

 Bert, Paul, cxl. 

 Berthelot, Iv, Ixii, Ixx, Ixxi, 



cxcii. 

 Bertrand, Ixxxvii. 

 Bey, Dr. Pruner, cxl. 

 Bezold, Von, xli. 

 Bichat, Ixviii. 

 Biliary stars, xxv. 

 Bindschedler and Busch, 



Ixxxi. 

 Biology, school of, cxliv. 

 Birch, Samuel, cxxxv. 

 Black Hills, the, xci. 

 Blake, Dr. James, Ixxxviii, 



xcv. 

 Blanford, xxvii. 

 Bleekrode, Ixv. 

 Bobretzky, clvii. 

 Boisbaudran, Lecoq de, 1. 

 Bolivia, ex. 

 Bolle, clxxvii. 

 Bolschef, Lieut.-Col., cxiv. 

 Bong, Ixxv. 

 Bonney, ciii. 

 Boricky, Ixxxvii. 

 Boruet, Dr. Edouard, clxxvi. 

 Bosanquet, xxxiii, lii, Ixii. 

 Boss, Lewis, xix, xxvi. 

 Botany, clxxv. 

 Biittger, Ivi. 

 Bourbouze, Ixvi. 

 Bonssingault.lxxviii, clxxxi, 



cxci. 



Bowers, Eev. Stephen, 



cxxxvi. 

 Bowman, D. W., ccxvi. 

 Brabrook, Wm., cxxxv. 



E. W., cxxxvii. 

 Bradley, xcv. 

 Brandegee,T. S., clxxv. 

 Brazil, cviii. 

 Brazza, Count Pietro di, 



cxvii. 

 Bredichin, xxii. 

 Brefeld, clxxviii. 

 Brehm, Dr., cxiv. 

 Breitschneider, Dr., cxiv. 

 Bremer and Van't Hoff, 



Ixxxi, 

 Brewer, Prof. W. H., clxxv. 

 Brewster, Ixxxv. 

 Broca, Dr. Paul, cxxxv, 



cxxxvii, cxxxix. 

 Brocchi, clx. 



Brongniart, Adol))he, clxxx. 

 Brooks, xcv, clvi, clvii. 

 Brown, Dr., cxxxvi. 

 Bruhiis, xxiv. 

 Braijn, clxx. 

 Brnnner and Brandenburg, 



Ixxxi. 

 Buchholz, clxvii. 

 Biichner, Dr., IxxYi, cxli. 

 Bucklaud, Miss, cxlii. 

 Buenos Ayres, cix. 

 Buft", xxxix, Ixviii. 

 Bunsen, Ixix. 

 Burgess, clxxvii. 

 Burmeister, Dr. H., cix, clx. 

 Burnham's catalogue of 



double stars, xvii. 

 Busk, Prof., cxxxix. 

 Bussey Institution, clxxxii. 

 Butlerow, Ixxx, Ixxxii. 

 Biitschli, Dr., cl. 

 Buys -Ballot and Wild, 



xxxviii. 



Cailletet, xlvii, Ivii. 



'Calculating engine, xxvi. 



Calcutta Observatory, xviii. 



Camacho, Ixiii. 



Cambrian rocks of Europe, 

 c. 



Cameron, Capt., cxxxviii. 

 Lieut. V. L.,cxv. 



Campbell, xxxiv. 



Candolle, Casimir de, 

 clxxvii. 



Capellini, J., cxxxiv. 



Carboniferous rocks in Ger- 

 many, ci. 



Carpenter, Dr. P. P., cli, 

 clix. 



Carrara, marbles of, xcix. 



Caspar], xxxvii. 



