130 
The American Geologist. 
December, 1905. 
Richmond folio, 1898, Campbell, 
Taff and Mendcnhall. irrv.i, xxiii, 
198; 18th report, 1896-7. C. 1 >. Wal- 
cott, (rev), xxiv, 122; 19th report. 
1897-8, C. D. Walcott, (rev.), 
xxiv, 251; Monograph 32, Part 2, 
Geology of Yellowstone Park, 
C. D. Walcott, xxiv, 324; Work 
in Alaska planned for, during 
1900. (p.s.n.), xxvi, 64; Reorgani- 
zation of the geologic branch, 
(ed. com.), .xxvi, 189; Petro- 
graphical reference collection of 
specimens, (p.s.n.), xxvii, 65; 
Analyses of rocks, F. W. Clark, 
(rev.), xxvii, 316; (p.s.n.), xxvii, 
388; 389; Question of the unit of 
geologic mapping, (ed. com.), 
xxix, 116; Reorganization of the 
geologic branch, Bayley Willis, 
xxix, 188; Investigation of the 
mineral resources of Alaska, 
(p.s.n.), xxix, 324; 21st annual 
report, Part 3, C. D. Walcott, 
(rev.), xxx, 120; Ditto, Part 4, 
Hydrography, F. H. Newell, 
(rev.), xxx, 323; Glacial forma- 
tions, and Drainage features of 
the Erie and Ohio basins, F. 
Leverett, (rev.), xxx, 323; 21st 
report. Part 7. R. T. Hill, (rev.), 
xxx, 384; New division of, (p.s. 
n.). xxxi, 194; Ellensburg folio, 
G. O. Smith. Chicago folio, W. C. 
Alden, Masontown-Uniontown 
folio M. R. Campbell. Ditney 
folio, M. L. Fuller and G'. S. H. 
Ashley, (rev.), xxxi, 255; (p.s.n.), 
xxxii, 396; (p.s.n.), xxxii, 62; (p. 
s.n.), xxxii, 234; Mineral re- 
sources of the Mt. Wrangell dist- 
rict Alaska, (rev.), xxxii, 393; 
(p.s.n.). xxxiii, 62; 134, 202. 270, 
333; Exhibits at St. Louis. Charts, 
prenared by Van Hise.I eith. and 
Smith, (p.s.n.), xxxiii, 99; Work 
in Alaska, 1904, (p.s.n.). xxxiii, 
400; Geologic atlas of the U. S., 
Olivet, Parker. Mitchell and Alex- 
andria counties, S. Dak.. Todd, 
and Hall, (rev), xxxiii, 3S1; Reg- 
ulation of Nomenclature, G. K. 
Gilbert, xxxiii, 138; Origin, de- 
velopment, organization and 
operations, H. C. Rizer, (rev.), 
xxxiv, 119;. Cottonwood falls 
folio, Prosser and Beede, (rev.), 
xxxiv, 262; Watkins and Elmira 
quadrangles. Clarke and Luther, 
(rev.), xxxiv, 324; (p.s.n.). xxxv, 
63; 191; Casselton- Fargo folio, 
Nor. Dak., and Minn.. Hall and 
Willard. xxxv, 394; Underground 
resources of the central great 
Plains, N. H. Darton, (rev.), 
xxxv, 317; (p.s.n.). xxxvi, 134; 
332. 
United States Geographical survey, 
G. M. Wheeler, 1889, (rev.), vii, 
259. 
Jnited States. National museum 
(p.s.n.)-. xx, 204: New building, 
(ed. com.), xxxi, 178. 
United States, physical geography 
and resources of, J. D. Whitney, 
(rev.), xiv, 395. 
Jnion College, geological depart- 
ment. C. S. Prosser, (p.s.n.), xv, 
196; (p.s.n.), xvi, 268. 
Jnity <>f the Glacial period, (abs.), 
G. F. Wright, xii, 178. 
Unjust attack, reply to .1. D. Dana 
and J. W. Powell, P. Kraser, iii, 
65. 
Universality of gold, (p.s.n.), YV K 
Evei et te, viii, 331. 
University of Neb., (p.s.n.), i, 136; 
Of Neb. Department of geo'ogy, 
(p.s.n.), iii, 341; Of Texas, school 
of geology, (p.s.n.), iv, 320; Ex- 
tension lectures, (p.s.n.). ix, 346; 
Of Chicago, (p.s.n.). xvi, 67; Of 
Minnesota, (p.s.n.), xvi, 130; 
Geological survey of Kansas, Vol. 
I, E. Haworth, (rev.), xviii, 42; 
Ditto. Vol. II. E. Haworth, (rev.), 
xix, 272; Of New Mexico, (p.s.n.), 
xxi, 396; Of Texas mineral sur- 
vey, two bulletins issued, (p.s.n.), 
xxx, 130; Of Calif., (p.s.n.). xxxii, 
198; Of Wis., Continental varia- 
tions, with special reference to 
North America. Bayley Willis, 
(p.s.n.), xxxvi, 268. 
Unprincipled assayers, E. G. Wood* 
ruff, (p.s.n.), xxxv, 192. 
Unrecognized process in Glacial 
erosion, W. D. Johnson, (abs.), 
xxiii. 99. 
Untenableness of the Nebular 
theory, N. Mistockles, xxxiv. 226, 
310, 361. 
Unter Silurische Litoralfacies bei 
• Locknesjon, C. Weiman. (rev.), 
xxv, 383. 
Untersuchungen of the rooks of tri» 
West Indies, i, 61; Ditto, ditto, 
(rev.), v, 1S3. 
Unter-Tertiare Selachier aus Siid- 
russlar.d O. Jaekel, (rev.), xvii, 
245. 
Upheaval of Scandinavia, apparent 
or real?. H. W. Pearson, xxiv, 
192. 
Upham, Lake, (p.s.n.), viii, 196; 296; 
Upham. Warren, Bulletin No. 39, 
l\ S. G. S., (rev.). i, 64; 
(p.s.n.). i, 67; Shales of 
Fort Pierre and Fox Hills 
groups indicated by fossils, (p.s. 
n.), i. 337; Sketch of Henry Car- 
vill Lewis, ii, 371; Marine shells 
in the Till near Boston, (rev.), 
iii, 399; Theory of Terrestrial 
glaciation, (rev.), iv, 108; Beaches 
of Lake Agassiz, (p.s.n.), iv, 128: 
Glaciation of mountains, in New 
England and New York, iv, 163, 
205; Structure of Drumlins, (rev.), 
v, 61 ; Fiords and great lake 
basins of America, (abs.), v, 121; 
Climatic periods of the Glacia) 
period, (abs.), v. 123; Artesian 
wells in Dakota, vi, 211: Cause of 
the Glacial period, vi, 327: Pleis- 
tocene submergence of the isth- 
mus of Panama, vi, 391; History 
of Lake Agassiz. vii, 188, 197; 
222; Glacial lakes of Canada, 
(rev.), vii, 375; Area and duration 
of Lake Agassiz, viii, 127; Ice- 
