INDEX TO VOLUME XXV.* 



Academy, National, meeting at 



Washington, 458. 

 Air, liquid, vacuum vessels for, 



Dewar, 256. 

 d'Albe, Two New Worlds, 148. 

 Algebra, Higher, Bocher, 266. 

 — Graphic, Schultze, 534. 

 Allegheny Observatory, 165, 460. 

 Alpen, die, im Eiszeitalter, Penck 



and Bruckner, 84. 

 Alps, Schmidt's sections, 155. 

 Anderson, J. W., Refrigeration, 524. 

 Anode rays, Gehrcke and Reicken- 



heim, 522, 

 Arc spectra, Dufneld, 147. 

 Archaeology, American, Univ. of 



California publications, 533. 

 Arizona, Meteor Crater, Fairchild, 



156; Merrill, 265. 

 Arrhenius, S., Immuno-Chemistry, 



•81. 

 Artbildung, Probleme der, Plate, 531. 

 Astrophysical Observatory 162, 431 



B 



de Ballore, Seismology, 262. 

 Bancroft, J. A., gedrite in Canada, 



509. 

 Barrel!, J., Mauch Chunk shale, 353. 

 Barus, C, axial colors of steam jet 



and coronas, 224 ; behavior of 



nuclei of pure water, 409. 

 Bermuda, Bibliography, Cole, 159 ; 



Cahow from, 361 ; fishes, parasites 



of, Linton, 159 ; decapod Crustacea, 



Verrill, 534. 

 Berry, E.W., mid-Cretaceous species 



of Torreya, 382. 

 Beyer, F. B., filtering crucible in 



electrolytic analysis, 249. 

 Bigelow, F. H., meteorological ele- 

 ments and solar radiation of the 



United States^ 413. 

 Biology of the Nineteenth Century, 



Braeunig, 362. 

 Blackwelder, E., Research in China, 



349. 

 Blake, W. P., tourmaline of Crown 



Point, N. Y., 123. 



Blodgett, M. E., stratigraphy of 

 Mt. Taylor region, N. M., 53. 



Boltwood, B. B., radio-activity of 

 uranium minerals, 269 ; ionium, 

 365 ; life of radium, 493. 



Bose, J. C, Electro-Physiology, 525. 



BOTANICAL WORKS. 



Pflanzen, der Lichtgenuss der, Wies- 



ner, 363. 

 Pilze, Chemie der hoheren, Zell- 



ner, 364. 

 Plant Anatomy, Stevens, 363. 

 Technical Products, Microscopy, 



Hanausek and Winton, 87. 



BOTANY, PALEOBOTANY. 



Angiosperms, origin, Arber, 356. 

 Chlorophyl, crystallized, Willstat- 



ter and Benz, 520. 

 Cycadacese, structure, Worsdell, 



358. . 

 Flora fossile de l'Argonne, Fliche, 



359. 

 Gingko-like forms, Nathorst, 360. 

 Isopyrnm biternatum, Holm, 133. 

 Mesozoic age, flowering plants, 



Scott, 354. 

 Paleobotanische Mitteilungen, Na- 

 thorst, 356. 

 Pinus, cone growth, Wieland, 103. 

 Plant remains in the Scottish peat 



mosses, Lewis, 358. 

 Pteridosperms and angiosperms, 



Oliver*, 356. 

 Sporophyl, morphogeny, Hallier, 



355. 

 Stellaria, North American species, 



Holm, 315. 

 Taxoideas, Robertson, 360. 

 Torreya, mid-Cretaceous species, 



Berry, 382. 

 Trias mid Jurapflanzen von der 



Insel Kotelny, Nathorst, 360. 

 Vegetaux fossiles, Zeiller, 357 ; 



Marty, 358 ; de Normandie, Lig- 



nier, 360. 

 Zamites and pterophyllum, Arber, 



360. 



* This Index contains the general heads. Botany, Chemistry (incl. chem. physics). 

 Geology, Minerals, Obituary, Kocks, Zoology, and under each the titles of Articles 

 referring thereto are mentioned. 



