488 



GENERAL INDEX. 



[53 



Worlds, Evolution of, Lowell, 29, 



— Two New, d'Albe, 25, 148. 

 Wright, C. T., Physical Geog- 



rapiiy, 23, 323. 

 Wright, F. E., optical study of 

 wollastonite and pseudo-wol- 

 lastonite, 21, 103; determination 

 of feldspars, 21, 361. 



— interference figures, under the 

 microscope, 22, 19; schistosity 

 produced bj' crystallization, 22, 

 224; optical study on the lime- 

 silica minerals, 22, 265; forma- 

 tion of minerals, MgSiOa, 22, 

 385. 



— measurement of the optic axial 

 angle of minerals, 24, 317. 



— optical studies on kaersutite, 



26, 187; measurement of extinc- 

 tion angles, 26, 349; bi-quartz 

 wedge plate, 26, 391; new tele- 

 meter, 26, 531; interference I 

 phenomena, 26, 536; three con- | 

 tact minerals from Mexico, 26, 

 545- . 



— optical study of diopside, etc., 



27, 28; artificial light for micro- 

 scope, 27, 98; new goniometer 

 lamp, 27, 194; sources for mono- 

 chromatic light, 27, 195; quartz 

 as a geologic thermometer, 27, 

 421. 



— optical study of compounds of 

 alumina with silica, etc., 28, 315. 



— feldspar from Linosa, 29, 52; 

 new petrographic microscope, 

 29, 407; new ocular for use 

 wdth, 29, 415. 



• — plumbojarosite, 30, igt. 

 Wyoming, coal resources, 21, 473. 



— Eocene fossils, Cockerell, 28, 



447- 



— geology, Veatch, 26, 239. 



— supposed Jurassic fossils of. 

 Fremont, Veatch, 21, 457. 



X 



X-ray, new kind, Seitz, 21, 80. 

 X-rays, see Rontgen rays. 



Yale Observatory, transactions, 



22, 471. 

 Young, G. A., geology of Mt. Ya- 



maska, 23, 69. 



Zeeman etlect, Dufour, 27, 338; 

 Gmelin. 27, 405; Hale, 26, 577. 

 Zoological Congress, seventh in- 

 ternational, meeting at Boston, 

 24, 92. 

 Zoology, Linville and Kelly, 22, 

 476; 23, 469; T. H. Morgan, 23, 

 241. 

 — Invertebrate, Drew, 24, 382. 

 — • V^ertcbrate, Pratt, 22, 190. 

 ZOOLOGY. 



African blood-sucking flies, 



Austin, 29, 92. 

 Animal Histology, Dahlgren 



and Kepner, 27, 97. 

 Animal Romances, Ren^ihaw, 



27, 193- 

 Animals, Life of, Ingcrsoll, 22, 



191. _ 

 Annelids, British, Mcintosh, 25, 

 530. 



— tubicolous. Bush, 23, 52, 131. 

 Apodous holothurians, Clark, 



26, 100. 

 Avifauna of Dominica, A. H. 



Verrill, 21, 337. 

 Birds of Chicago, Woodrufif, 24, 



92. 



— Handlist, Sharpe, 29, 195. 



— • interlocking of feathers in 

 flight, Trowbridge, 21, 145. 



— origin of, Pycraft, 22, 547. 



— of the Southern Lesser An- 

 tilles, Clark, 21, 337. 



Brachyura of the Eastern 

 Tropical Pacific Expedition, 

 Rathbun, 24, 450. 



Cahow in Bermuda, Mowbray, 

 25, 361. 



Cambridge Natural History, 29, 



Copepods, No. American pari- 



sitic, Wilson, 25, 158. 

 Crayfishes, young of, Andrews, 



24, 449. 

 Crustacea decapod, Bermuda, 



Verrill, 25, 534. 



— of the North Pacific Explor- 

 ing Expedition, Stimpson, 24, 

 449. 



— of Norway, Sars, 21, 2>27\ 25, 

 158. 



Dynastes, new species from 

 Dominica, A. H. Verrill, 21, 

 317; 24, 305. 



Echinoderma, Bather, 21, 330; 

 Grant, 23, 3iS- 



