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GENERAL INDEX. 



[52 



Whitlock, H. P., Calcites of New 



York, 31, 337. 

 Whitman, R. C, Miiller's Sero- 



diagnostic Methods, 36, 428. 

 Who's Who in Science, 35, 557; 



37, 365. 

 Wieland, G. R., notes on the 



armored Dinosauria, 31, 112; 



American fossil cycads, Part V, 



32, 133; Williamsonian tribe, 32, 

 4335 cycadophytans, 32, 473; 

 American fossil cycads, Part 

 VI, 33, 73', Liassic floras of 

 Mexico, 36, 251; Cordaitean 

 wood from Indiana shale, 38, 

 65; American fossil cycads, 

 Part VII, 38, 117; origin of 

 Dicotyls, 38, 451- 



Williams, H. E., Chemistry of 

 Cyanogen Compounds, 39, 476. 



Williams, H. S., fossil faunas of 

 St. Helen's breccias, 31, 241; 

 Tropidoleptus zones in New 

 York, 36, 571. 



Williams, M. Y., geology of Ari- 

 saig-Antigonish District, 34, 

 242. 



Williams, S. R., mercury air- 

 pump, 32, 13; electromagnetic 

 effect, 34, 297; twist in steel 

 and nickel rods due to a mag- 

 netic field, 36, 555. 



Willis, North America Stratig- 

 raphy, 35, 193. 



Williston, S. W., Permian reptiles 

 of New Mexico, 31, 378; Amer. 

 Permian Vertebrates, 33, 65, 

 592; reptilian skulls, 33, 339; 

 restoration of Limnoscelis, 34, 

 457; Permian reptiles, 39, 575; 

 Water Reptiles, 40, 217. 



Wilson, M. E., banded gneisses 

 of Laurentian highlands, 36, 109. 



Wirbeltiere, Jaekel, 33, 592. 



Wireless Telegraphy, Collins, 40, 

 518; Fleming, 36, 648; Stanley, 

 39, 126- 



Wisconsin geol. survey, see Geo- 

 logical Reports. 



— inland lakes, Birge and Juday, 



33, 71. 



Wolff, J. E., new chlorite from 

 AVvoming, 34, 475. 



Wood, R. W., Physical Optics, 

 33, 61. 



Woodrow, J. W., columnar ioni- 

 zation, 36, 214. 



Woodward, B. B., Life of the 

 Mollusca, 37, 283. 



Wright, F. E., transmission of 

 light through crystal plates, 31, 

 157; Petrographic-Microscopic 

 Research, 33, 512; oblique il- 

 lumination in microscope work, 

 35, 63; index ellipsoid, 35, 133; 

 graphical methods of micro- 

 scopical petrography, 36, 509; 

 graphical plot for the plagio- 

 clase feldspars, 36, 541; optical 

 properties of roscoelite, 38, 305; 

 optical study of the ternary 

 system CaO-AUOs-SiOo, 39, 1. 



Wright, G. F., Ice Age in North- 

 America, 32, 70; Origin and 

 Antiquity of Man, 35, no. 



Writing, Technical, Earle, 33, 386. 



Wiilfing, Symmetry Classes, 40. 

 91. 



Wurtzite, see Sphalerite, MIN- 

 ERALS. 



Wyoming geol. survey, see Geo- 

 logical Reports. 



— Mammals and horned dino- 

 saurs of Lance formation, Lull, 

 40, 3ip. 



— Tertiary faunal horizons, 

 Granger, 31, 151. 



Wysor, H., Metallurgy, 38, 559. 



X 



Xeromorphy, Dachnowski, 32, 33. 

 X-Rays, see Rontgen rays. 



Yale Astronomical Observatory, 

 see Observatory. 



— Peruvian Expedition, see Peru. 



— lectures, see Silliman. 

 Yellowstone Park, origin of ther- 

 mal waters, Hague, 31. 576. 



Young, D. B., Maine shell heaps, 



34, 17- 

 Yukon-Alaska International boun- 

 dary, Cairnes, 40, 522. 



Zeeman, P., Magneto-Optics, 36, 



565. 

 Zeeman effect, Wali-Mohammad, 



34, 576. 



electrical analogue, Stark, 



37, 556. 



