140 
The American Geologist. 
December, 1905. 
(rev.), vii, 262; Overthrust faults 
of the southern Appalachians, 
C. W. Hayes, (rev.), vii, 262; 
Mastodon remains in. (p.s.n.), 
vii, 335; Mesozoic igneous rocks, 
Campbell and Brown ,(rev.), viii, 
51; Mesozoic and Cenozoic forma- 
tions, N. H. Darton, (rev.),) viii, 
is.",; Fossils in the Lafayette 
formation, N. H. Darton, ix, 181; 
Dismal swamp district, N. S. 
Shaler. (rev.), ix, 206; Stratigra- 
phy of central Appalachia, N. H. 
Darton. x, 10; Structure of the 
Blue Ridge, A. Keith, x, 362; 
Cenozoic history of eastern, N. 
H. Darton, (abs.), xii, 171; Pal- 
eozoic overlaps in, M. R. Camp- 
bell, (abs.), xiii, 147; Geology of 
the Big Stone Gap coal field, M. 
R. Campbell, (rev.), xiv, 392: Po- 
tomac formation, L. F. Ward, 
xviii, 31S: Massutten mountain, 
A. C. Spencer, xxi, 191; Weather- 
ing of diabase near Chatham. T. 
L. Watson, xxii, 85; Dikes of Fel- 
sophyre and basalt in Appalachi- 
an. Diarton and Keith, „(rev.), 
xxiii, 327; Weathering of diabase, 
T. L. Watson, xxiv, 355: Analy- 
ses of emery, W. W. Miller, Jr., 
(rev.), xxvii, 314; Sandstone from 
Augusta county, W. W. Miller, 
Jr.. (rev.), xxvii, 315. 
Viscosity of solids, C. Barus, (rev.), 
ix, 342. 
Visual area of the Trilobites, J. M. 
Clarke, (rev.), iii, 146. 
Vivian, Edwin, (obit), xii, 131 
Voades, A. W. Forgotten Taconic 
literature ii, 352; Cata-logue of 
North American Paleozoic Cru- 
stacea, (rev.), v, 183; (p.s.n.), 
vi, 68; Bibliography of North 
American Crustacea, 1698-1899, 
(rev.), vii, 379; The genus Ag- 
nostus, ix, 377; Genus" Ampyx 
with descriptions of American 
species, xi, 99; Bibliography of 
the Paleozoic Crustacea, (rev.), 
xii, 262; New trilobite from the 
Arkansas Coal Measures, (rev.), 
xvl, 262; Supplement to the bibli- 
ography of the Paleozoic Crusta- 
cea, (rev.), xvi, 262; (p.s.n.), 
xxiv, 325: (p.s.n.), xxvii, 197; (p. 
s n.), xxxiv, 201. 
•opt. J. H. L., Sedimentary origin 
of iron ores and Itabirite in Nor- 
way, (rev.), xiii, 420; (obit.), xvi, 
67. 
Volcanic, eruption in northern Cal- 
if., and its peculiar lava, J. S.» 
Diller, (rev.), i, 125; Dust com- 
pared with Geyserite, L. E. 
Hicks, ii, 64; Rocks from tbe Te- 
wan mountains. J. P. Iddings. 
(rev.), Ix, 264; Dust from Omaha, 
J. E. Todd, x, 295; In Kansas, 
and Indian Territory, S. W. Wil- 
liston, x, 396; In the South At- 
lantic ocean. C. Palache, xi, 422; 
Rocks of South Mountain, in 
Penn. and Maryland. G. H. Wil- 
liams, (rev.), xi, 55- Ro^Vs of 
South Mountain, F. Bascom, 
(rev.), xiii, 122; Ancient along 
the eastern border of North Am- 
erica, G. 11. Williams, (abs.), xiii, 
212: Ashbed near Omaha, J. E. 
Todd, xv, 130; Dust and pumice 
in Marine deposits. N. S. Shaler, 
(abs.), xvii, 93; Tuffs of Segalas, 
A. Lacroix, xvii, 362; Ash from 
the north shore of Lake Superior, 
Winchell and Grant, xviii, 211; 
Rocks of South Mountain, an- 
cient, F. Bascom, (rev.), xix, 
139; Contribution to the study of 
old, G. O. Smith, (rev.), xix, 2J4; 
Analyses of Italian rocks, H. S. 
Washington, (rev.), xxiv, 321; 
West Indian eruptions in 1902, G. 
('. Curtis, xxxi, 40; Geological 
age of the West Indian forma- 
tions, J. W. Spencer, xxxi, 48. 
Volcanite, anorthoclase augite rock, 
W. H. ITobbs, (abs.), xiii, 214. 
Volcano, marine Cretaceous, R. T. 
Hill, and J. F. Kemp, vi, 286. 
Volcanoes of North America, I. C. 
Russell, (rev.), xxi, 65; Of south- 
eastern Russia, H. F. Reid, 
(abs.), xxiii, 103; And seismic 
centers, of the Philippine ar- 
chipelago, M. S. Maso. (rev.), 
xxxiv, 391. 
Volney, C. W., The constitution of 
Barytocelestite, (rev.), xxvii, 315. 
Volume relations of original and 
secondary minerals in rocks. C. 
R. Van Hise, (abs.), xxii, 252. 
Von Roemer, Dr. F., F. W. Si- 
monds, xxix, 131. 
Von Zittel, Karl A., (obit), xxxiii, 
132; Sketch of, C. H. Sternberg, 
xxviii, 263. 
w 
Waagen, W., The Carboniferous 
ice-age, (rev.), ii, 336. 
Waagen, A., The boulder or Obo- 
lus beds, (cit.), iv, 60. 
Wachsmuth and Springer, Summit 
plates in Blastoids etc., and their 
morphological relations, (rev.), I, 
61; Revision of the Paleocrin- 
oidea, (p.s.n.), i, 132; Ventral 
structure of Taxocrinus and Hap- 
locrinus (rev.), iii, 200; Crotalo- 
crinus. Its structure and Zoolog- 
ical position, (rev.), iii, 201; (p. 
s. n.), iv, 64; Perisomic plates of 
Crinoids, (rev.), vii, 255; New 
Niagara Crinoids, x, 135; Wachs- 
muth, Charles, (p.s.n.), xv, 399; 
Monograph on Crinoids, F. A. 
Bather, (rev.), xxiv, 56. 
Wachsmuth, Charles, (obit.), xvii, 
193; Biographical sketch of, C. R. 
Keyes, xvii, 131. 
Wadsworth, M. E., (cit.), i, 345; 
(p.s.n.), ii, 66; (p.s.n.), iii, 280; 
Calumet and Hecla mines, (p.s. 
n.), viii, 332; Serpentines of the 
coast ranges of Calif., Ix, 277; 
Michigan survey report, 1892. 
(rev.), xi, 344: Plea for mining en- 
gineering studies, (abs.). xvi, 204; 
Elective system adopted in the 
