Index, Volumes I -XXXV I. 
M5 
Williams, Albert, Useful minerals 
of the United States, (rev.), HI, 
146. 
Williams, E. H., Jr., Problems of 
faulted beds and veins, (rev.), 
v, 250; Datum for determining 
earth movements, vi, 400; South 
mountain glaciation, (abs.).'xii, 
166; Extra Morainic drift, (abs.), 
xiii, 221; Kansan drift in Penn., 
(abs.), xviii, 237; (p.s.n.), xx, 
137; (p.s.n.), xxvii, 129; Kansas 
glaciation and its effect on the 
River system of Northern Penn., 
(rev.), xxxii, 253. 
Williams, G. H., The Bausch-Lomb 
petrographieal microscopes, (cit.), 
Hi, 229; Eruptive origin of ser- 
pentine, (abs.), v, 118; Observa- 
tions in southern and western 
Norway, (abs.). v, 120; (rem.), 
v, 210; Non-feldspathic intrusive 
rocks of Maryland, vi, 35; Pe- 
trography and structure of the 
Piedmont plateau in Marvland, 
(rev.), vii, 330; (p.s.n. ). viii, 64; 
Elements of Crystallography, 
(rev.), ix, 208; Guide to Balti- 
, more. (rev.), rx, 210; (and W. 
B. Clark), Geolosrv of Marvland, 
(rev.), x, 63: (and W. B. Clark.), 
m-t-v't |i i geologv, (rev.), xii. 
396; Notice of J. o. Schoepff and 
his contributions to North Am. 
ican geology, xlll, 140; Anei-- 
volcanic rocks along the eastern 
border of North America, (abs.), 
xiii, 212; Columbian Exposition, 
Notes on various exhibits relative 
to mineralogy and petrography, 
xiii. 345; (obit.), xiv, 136: Sketch 
of. by J. M. Clarke, xv, 69; (p.s. 
n. ). xvi, 131; Memorial lectureship 
established at Johns Hopkins 
University fn.s.n.). xvi, 400; 
Memorial tablet, (p.s.n.). xvii 
341: Relation of the granitic 
rocks in the Piedmont Plateau 
(rev.), xviii. 320; Memorial lec- 
tures, (p.s.n.), xxvi. 32S. 
Williams. H. S., Report on the Up- 
per Paleozoic, li. 225: (p.s.n.), 
ii. 433: Devonian faunas in Town, 
iii. 230; Cuboides 7.nnc and Its 
fauna, (abs.). v. 120: Error con- 
cerning organizing committee of 
Int. Cong. Geol., Correction, vii, 
69: Re'ntion of prwjp S to envi- 
ronment, (abs.). viii, 253: Corre- 
lation of Devonian and Carbon- 
iferous, (rev.), Ix. 48: (p.s.n.). 
Ix. 34*: Scone of Paleontologv, x. 
Jd-S: 257; (rem), xii. 178: Dual 
nomenclature in Geoloeic classi- 
fication, (abs.). xiii. 139: (p.s.n.), 
x»' R7; Southern Devonian for- 
mation, (rev.), xx. 133; Occur- 
rence of Paleotrochis in volcanic 
r or>k« in Mexico, (rev.), xxiv. 
1<n1: (and TT. M. Gregory.) Con- 
tributions to me geoloev of 
M"me (rev), xxvii, 256: P 
zoic faunas of Arkansas, (rev.). 
xxviii. 254: (n.s.n ). xxviii. 199; 
(iml E. M Kindle Contribu- 
tions to Devonian Paleontologv 
(rev.), xxxvi, 49; Bearing of 
some paleontological facts on no-- 
menclature and classification of 
sedimentary formations, (rev.), 
xxxvi, 49. 
Williams, I. A., Comparative ac- 
curacy of methods for determin- 
ing percentages of the several 
components of an igneous rock, 
xxxv, 34. 
Williams, J. Francis, (p.s.n.), vMI, 
64; (obit.), viii, 404; Sketch of, 
J. P. Kemp, ix, 149; (p.s.n.), Ix, 
zio. 
Williams, J. |_. Cycles of sedimen- 
tation, viii, 315. 
Williams, R. D., The Hon. Peter 
White. A biographical sketch of 
the Lake Superior iron country, 
(rev.), xxxvi, 188. 
Williams, S. H., (p.s.n.), xiv, 204. 
Willis, Bayley, Graphic field notes 
for areal geology, (rev.), vii, 263; 
(p.s.n.), viii, 194; Relations of 
synclines of deposition to an- 
ot shore lines, (abs.), xiii, 
140; Mechanics of Appalachian 
structure, (rev.), xv, 60; (p.s.n.), 
xv, 68; (p.s.n.), xvi, 67, 131; An- 
cient shores, (abs.), xvii, 265; (p. 
s.n.), xvii, 346; (p.s.n.), xx, 194; 
Reorganization of the geological 
branch of the U. S. G. S., xxlx, 
188; Ames, knob, North Haven, 
Maine, a seaside note, xxxi, 159; 
Expedition to China, (p.s.n.), 
xxxi, 394; (p.s.n.), xxxiii, 203; 
Contribution to the geology of 
Washington, (rev.), xxxiv, 54; 
(p.s.n.), xxxiv, 399; 400; Moun- 
tain growth and mountain struc- 
ture, xxxv, 52. 
Williston, S. W., (p.s.n.), v, 320; 
Volcanic dust in Kansas, and in 
Indian Territory, x, 396; (p.s.n.), 
x. 330; (p.s.n.). xv, 400; Sketch 
of B. P. Mudge, xxiii, 340; (p.s. 
n.), xxix, 395; Characters of the 
Dansing skeleton, (ed. com.), xxx, 
190: Arrow head with bone of 
Bison occidehtalis in Kansas. 
xxx, 313; (p.s.n.), xxxi, 291; 371; 
Sketch of Wilbur Clinton Knight, 
xxxiii, 1; (p.s.n.), xxxiii, 132; 
On the Bansing man. xxxv, 342. 
Wilmott. A. B... The Michipicoten 
Huronian area, xxviii, 14. 
Willson, A. W. G., (p.s.n.), xxx, 
131. 
Wilson, A. G., Subdivision of the 
upper Silurian in north easl [owa, 
(abs.), xvi, 249; Upper Silurian 
in northeastern Iowa, (abs). xvi, 
L'T." : Frozen streams of the Iowa 
drift border, xvii, 364. 
Wilson, H. M., (p.s.n). xv. 49. 
A/ilson, J. H., Noted localities of 
pre-historic man. xxxiii. 
\A/illyamite, new mineral from Bro- 
ken '*n. ]■;. v. Pittman, (rev.), 
xiv, 253. 
WincheM. Alexander. Unconformi- 
ties of ili'' Animikie in Minne- 
sota, i. li: K\t inci Peccary in 
Mich, (p.s.n.). i, 67; Pressure of 
ontinental glacier, i. 189; The 
Taconic question. I, 347; Geology 
