50 
The American Geologist. 
December, 190.". 
separate bones, (p.s.n.), i. 33S; 
Two Carboniferous, T. D. A. 
Cockerell, xxxvi, 330. 
Generic evolution of the paleozoic 
brachiopoda, Agnes Crane, xi, 
400. 
Generic relations of Platyceras and 
Capulus, C. R. Keyes, vi, 6. 
General interior condition of the 
earth, J. Le Conte, iv, 38. 
Genesis of the Arietidae, Hyatt, J. 
Marcou, vi, 12S; of iron ores by 
replacement of limestone, J. P. 
Kimball, viii, 352; of clay stones, 
H. W. Nichols, xix, 324; of iron 
ores, J. P. Kimball, xxi, 155; of 
bitumens, S. F. Peckham, (rev.), 
xxiii, 327. 
Genetic relationships among igne- 
ous rocks, J. P. Iddings (rev.), 
xiii, 195; and structural relations 
of the igneous rocks of the Ne- 
ponset valley, W. O. Crosby, 
xxxvi. 34, 69. 
Gentil, Louis. Esquisse stratigraph- 
ique et petrographique du bassin 
de la Tafna (Algerie). (rev.), 
xxxi, 253. 
Genus "Winchellia, L Lesquereux, 
xii, 209; Temnocyon and Hypo- 
temnodon from Oregon, Eyer- 
man, xvii. 267. 
Ceographen-Kalendar, H. Haack, 
(rev), xxxii. 255. 
Gcgraohic features of Texas, R. 
F. Hill, v. 9, 68; Development of 
northern New Jersey, Davis and 
Wood, (rev.), vi, 195; Distribu- 
tion of fossil plants, L. F. Ward, 
(rev.), vi. 323; Survey west of the 
100th meridian, Wheeler, (rev.), 
vii, 259; Illustrations for teach- 
ing physical geography, W. M. 
Davis, (rev.), xi, 416; Develop- 
Trcnt of the eastern part of the 
Mississippi drainage basin, L. G. 
Westgate, xi, 245; Teaching. Im- 
provement of. W. M. Davis, 
(rev.), xii, 192; Development of 
alluvial terraces, R. E. Dodge, 
'rev.), xiv, 397; Development of 
(he Connecticut valley, (abs.), 
xvi. 245; Relations of granites 
and porphyries. C. R. Keyes, 
(abs.), xvii, 91; Influences in 
American history, A. P. Brigham, 
(rev.), xxxiii. 257; Extent of 
Cambrian, Freeh, (rev.), xxix, 
117. 
Geographic society of Chicago, (p. 
s.n.), xxv, 196; Ditto, (p.s.n.), 
xxxv, 190; Of Colorado, (p.s.n.), 
xxxv, 63. 
Geoqraohy of the region about 
Devil's lake and the Dalles of 
the Wisconsin, Salisbury and 
Uwood (rev.), xxvi, 252; New 
v>asis. T. O. Redway, (rev.'*, 
xxviii, 254; Of Minnesota, C. W. 
Hall, (rev.), xxxii. 121; In the 
United States, W. M. Davis, 
xxxiii, 156; Dodge's Advanced, 
(rev.), xxxv. 181; Physical Lab- 
oratory Manual. A. P. Brigham, 
(rev.), xxxv, 1ST. 
Ge~nraphy and resources of Sak- 
alin Island, B. Howard, (abs.), 
xxii, 261; Of Chicago and its en» 
virons, Salisbury and Alden, 
(rev.), xxv, 174. 
Geological classification and no- 
menclature, Jules Marcou, ii, 129; 
Correlation by means of fossil 
plants, L. F. Ward, ix, 34; Biol- 
ogy, History of organisms, (rev.), 
xvii, 187. 
Geological frauds, (p.s.n.), ix, 69; 
Myths, B. K. - Emerson, (abs.), 
xviii, 217. 
Geological. 
History of the Osark uplift, G. 
C. Broadhead. iii, 6. 
Of the Quebec group, T. S. 
Hunt, v, 212. 
Evolution of the non-moun- 
tainous topography of Texas, R. 
T. Hill, x, 105; Structure of the 
Blue Ridge in Maryland and Vir- 
ginia, A. Keith, x, 362. 
Time as indicated by the sed- 
imentary rocks of America. C. 
D. Walcott, xii, 343. 
Features about Atlanta, Ga., 
C. W. Purington, xiv, 105. 
Time, Length of. Fairchild, 
(rev \ xv, 51; History of Missouri, 
A Winslow, xv, 81; History of 
Rochester, N. Y., Fairchild, 
(rev.), xv, 50; History of har- 
bors, N. S. Shaler, (rev.), xv, 
59. 
Canals between the Atlantic and 
Pacific oceans, J. W. Spencer, 
(abs.), xvi, 248; Sketch of the 
Sierra Tlavacac, Mexico, A. C. 
Gill. • (abs,), xvi, 240. 
Of the Chautauqua grape belt, 
R. S. Tarr, (rev.), xvii, 251. 
Structure of the extra Aus- 
tralian artesian basins. A. G. 
Maitland, (rev.), xviii. 2^5. 
Chronology of Renevier (ed. 
com.) xx, 318. 405; Time, recent 
estimates, (ed. com.), xx. 268. 
Section from Moscow to Siberia 
and return, Frazer, (rev.), xxi. 
68: Structure of Shantung, Rich- 
tofen, (rev.), xxi. 321. 
Phenomena resulting from the 
surface tension of water, G. E. 
Ladd. (abs.), xxii, 267. 
Notes on the Wichita moun- 
tains and Arbuckle hills, T. W. 
Vaughan, xxiv, 44. 
History of Nashua valley dur- 
ing the Tertiary and Quaternary, 
W. O. Crosby, (rev.), xxv, 252; 
White hot liquid earth and Geo- 
logical time, (ed. com.), xxv, 310. 
Matters illustrative of geological 
phenomena. B. K. Emerson, xxvi, 
312. 
Excursion from the Denver 
meeting, (p.s.n.) xxviii, 266; Ex- 
plorations near Athens (p.s.n.). 
xxviii, 400. 
History of Charles river in Mas- 
sachusetts, F. G. Clapp. xxix. 
218; History of the hematite ores 
of the Antwerp and Fowler belt 
in New York. W. O. Crosby, 
xxix. 233; Study of the Fox is- 
lands, Maine, G. O. Smith, (rev.), 
xxix. 311. 
Age of certain gypsum depos- 
