43] 
U 
eae? P. R., Albirupean studies, iv, 
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Ultra red rays, dispersion, Rubens, 
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United States, geological atlas, viii, 
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Geol. Survey ; see Grou. Reports 
AND SURVEYS. 
Upham, W., review of the Quaternary 
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i, 33. 
exploration of the glacial Lake 
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classification of mountain ranges, 
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ice age as one glacial epoch, v, 
70; estimates of geologic time, v, 
209. 
epeirogenic movements associated 
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fishing banks from Cape Cod to 
Newfoundland, vii, 123; marine 
shell fragments near Boston, vii, 
238 ; diversity of the glacial drift, 
vii, 358. 
Champlain subsidence and re-ele- 
vation of the St. Lawrence River 
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Upsala, Bulletin of Geological Insti- 
tution, vi, 309. 
V 
Vacuum discharge streamers, action 
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pump, mercury, Pupin, ix, 19. 
Van Hise, C. R., conflicting views of 
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iron ores of Michigan, iii, 116; 
structural relations of the Huro- 
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Vapor density under diminished pres- 
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Variations and mutations, Scott, viii, 
355. 
Veeder, M. A., periodicity of the 
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Vegetable resources of India, viii, 
511. 
Venable, F. P., Short History of 
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Verrill, A. E., Echinoderms of North- 
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Vertebrate Embryology, Minot, vii, 
158. 
Vertebrate fossils, Marsh, ii, 265, 336 ; 
see GEOLOGY. 
VOLUMES XLI-t. 
557 
Vibrations of strings, Menzel and Raps, 
iii, 154, 
Vines, S. H., Text-Book of Botany, 
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LS ie investigation of, Barus, v, 
Visibility, minimum temperature of, 
Gray, ix, 232. 
Vision, persistence of, Ferry, iv, 192, 
Viviparide, distribution of North 
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Vogdes, A. W., Bibliography of Palwo- 
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Voleanic, see GroLocy and Rocks, 
Volekening, G. J., three new analyses 
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Voltaic arc, mercury, Aven, v, 159. 
Voltameter, use of cupric nitrate in, 
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Vorwelt, u. Entwickelungsgeschichte, 
Koken, vii, 483. 
bebe rnaat physical properties, Mayer, 
i, 54, 
Ww 
Wadsworth, F. L. O., eccentricity of 
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vii, 373; interrupter for large in- 
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Wadsworth, M. E., relations of the 
eastern sandstone of Keweenaw 
Point to the Lower Silurian lime- 
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Keweenawan series; ii, 417; sub- 
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Michigan, v, 72. 
Waggener, W. J., mercurial barom- 
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Wagner’s Chemical Technology, iii, 
535. 
Walcott, C. D., discovery of fish re- 
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245. 
fauna of the lower Cambrian, ii, 
345. 
Cambrian, iii, 244. 
Cambrian rocks of Virginia, etc., 
iv, 52; Cambrian rocks of Penn- 
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North American continent dur- 
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Cambrian rocks of Pennsylvania, 
vii, 37; Olenellus in No. New Jer- 
sey, Vii, 309; appendages of Trilo- 
bites, vii, 481. 
lower Cambrian rocks in eastern 
California, ix, 141; Appalachian 
type of folding, ix, 159, 169. 
