GEOEAL INDEX 



OF 



VOLUMES XXI-XXX OF THE THIRD SERIES. 



Note. — The names of Minerals are inserted under the head of Minerals ; all Obituary 

 notices are referred to only under Obittiaby. Under the heads Botany, Geology, Zoology 

 the references to the topics in these departments are grouped together: in general, however, 

 the same references appear elsewhere, at least under the author's name. 



JKP" In the references to volumes xxi to xxix, only the numerals i to ix are here given. 



A 



Abbott, C. C, human tooth from gravels, 

 near Trenton, vii, 498. 



Primitive Industry, ii, 326, 401. 

 Abbott, H. L., Report on Mines for De- 

 fense of Harbors, hi, 496; iv, '236. ' 

 Abney, photographs of solar corona, v, 



130. 

 Absorption, atmospheric, Langley, viii, 

 163, 242. 

 by carbon dioxide, Keeler, viii, 1 90. 

 cell, new form of, Bostwick, xxx, 

 452. 



of dark heat rays, i, 236. 

 spectra of colorless liquids, i, 500. 

 Academy, California, Bulletirj of, vii, 

 413; xxx, 319. 



Connecticut, Transactions of, iv, 

 159, 477; xxx, 247. 



Davenport, Proceedings of, v, 87. 

 National, medals of, v, 482 ; viii, 77. 

 Meeting of, v, 400. 

 Memoirs of, ix, 267. 

 papers before, i, 84. 509 ; iii, 79; iv, 

 482; vi, 489; vii, 417; viii, 406; xxx, 

 490. 



New Tork, Annals of, ix, 76. 

 Philadelphia, Proceedings of, i, 81. 

 St Louis, Transactions of, iv, 319. 

 Wisconsin, Transactions of, v. 233. 

 Acetol, from sugar, vi, 66. 

 Acetoxims, v, 228. 



Acid, aconitic, from sorghum, iii, 488. 

 azaurolic, iv, 466. 

 carbonic, See Carbon dioxide. 

 catechol-orthocarboxylic, v, 147. 

 chlor-liyponitric, i, 234. 

 hyponitrous, iv, 143; vii, 141. 

 mandelic and paramandelic, vi, 404. 

 monohydrated sulphuric, ix, 165. 

 mucobromic, vi, 142. 

 new, in beet root, vi, 240. 

 nitric, ignition by, i, 398. 



production of hydroxylamine 

 from, vii, 234. 



Acid, nitrous, determination of, vi, 143. 

 in evaporation of water, ii, 145. 

 organic, in examination of minerals, 

 v, 470. 



pentathionic, ii, 73. 

 perchloric, iv, 391. 

 saccharinic, i, 139. 

 sulphocyanuric, xxx, 481. 

 sulphuric, freezing point of, iii, 236. 



manufacture of, i, 75, 144. 

 tartaric, synthesis of a glucoside of, 

 vii, 483. 



tartrionic, xxx. 76. 

 tropic, synthesis of, i, 139, 400. 

 uric, synthesis of, v, 229. 

 Acoustic curves, optical projection of, 



Stevens, ix, 234. 

 Actinic balance, Langley, i, 187. See 



Bolometer. 

 Aerolites, see Meteorites. 

 Affinity, chemical, Langley, viii. 360, 



437. 

 Africa, geology of South, viii, 468. 

 Agassiz, A., Chun's Ctenophoras, i, 81. 

 Hseckel's Medusae, ii, 160. 

 Cretaceous and recent Echinid 

 faunas, iii, 40. 



obituary of C. Wyville Thompson, 

 iii, 496. 



Challenger Echinoidea, iii, 75. 

 Young Stages of Osseous Fishes, 

 iv, 401. 



Selections from Embryological Mon- 

 ographs, v, 239, vii, 417. 



Tortugas and Florida reefs, vi, 408. 

 Echini of the Blake Expedition, i. 

 338; ii, 413; vii, 157. 



Surface Fauna of Gulf Stream, vii, 

 417. 

 Agassiz, Louis, his Life and Corres- 

 pondence, xxx, 406. 

 Air, boiling point of, viii, 1 50. 



electrical potential of the, ix, 403. 

 organisms in, at high altitudes, xi, 

 73. 



