40 
The American Geologist. 
December, 1905. 
49; Of Electric Peak, J. P. Id- 
dings, (.rev.;, xiv, 117, Epochs of 
the Taconic or Lower Cambrian, 
N. H. Winchell, xv, 295; Acid, of 
northeastern Maryland, C. R. 
Keyes, xv, 39. 
Eskers near Rochester, Warren Up- 
ham, (abs.), xi, 241; In southern 
New England, J. B. Woodworth 
(rev.), xiv, 396; In Illinois and 
northward, Upham, xiv, 403; In- 
dicating stages in the Kansan 
epoch in northern Illinois, O. H. 
Hershey, xix, 97, 237; In west- 
ern New York, F. M. Comstock, 
xxxii, 12. 
Esmeralda formation, H. W. Tur- 
ner, xxv, 16S. 
Estimates of geologic time, Upham, 
(rev.), xi, 413. 
Etchiminian series, G. F. Mat- 
thew, ii, 1; Of Cape Breton, Mat- 
thew, (rev.), xxv, 121; Walcott's 
view of Matthew xxv, 255. 
Etheridge, Robt, Jr., Fauna of the 
Hawksbury — Wianamatta series, 
(rev.), Iv, 109; (and Oliff), Meso- 
zoic and Tertiary insects of New 
South Wales, (rev.), vii, 37S, (p. 
s.n.), Ix, 346; (and R. L. Jack), 
Geology and paleontology of 
Queensland, (rev.), xii, 266. 
Ethical functions of scientific 
study, T. C. Chamberlin, ii, 3S0. 
Ettingshausen, Baron, Tertiary flo- 
ra of Australia, (rev.), iv, 110. 
Etude mineralogique de la lher- 
zolite des Pyrenees, A. Lacroix, 
(rev.), xvi, 122; sur la metamor- 
phisme de contact des roches voL 
caniques, A. Lacroix, (rev.), xvi, 
122. 
Euloma-Niobe Fauna Brogger, 
(.rev.), xxii, 236. 
Eureka district, A. Hague, (rev.), 
xii, 264. 
Europe, Geological map, (p. s.n.), 
xii, 66. 
Eurypterina, M. Laurie, (rev.), 
xiii, 125. 
Eurypterus, W. De Lima, (rev.), 
xiii, 2S4. 
Evans, John, (cit.), ii, 367; Pres- 
idential address, (abs.), xx, 201. 
Evans, M. C. (cit.), iv, 55, 
Evans, Dr. — Report on Oregon 
unpublished, B. F. Shumard, iv, 
6. 
Everette, W., Purity of gold, (p.s. 
n.), vii, 334; Origin of gold, vii, 
389. 
Evidences of a Glacial epoch in 
Nicaragua, J. Crawford, vii i, 306; 
Of derivation of Eskers, Kames, 
etc., from englacial drift, War- 
ren Upham, (abs.), xii, 169; Of 
former glaciation in Labrador 
and Greenland, G. H. Barton, 
xviii.'379; Of Glacial action in 
Australia in Permo-Carbonifer- 
ous time, T. W. E. David (rev.), 
xviii, 188; Of current action in 
the Ordovician of New York, R. 
Ruedemann, xix, 367; Of glacia- 
tion in Labrador and Baffin land, 
R. S. Tarr, xix, 191; Of Epeiro- 
genic movements causing the Ice 
age, Upham, (abs.), xxii, 250; Of 
the agency of water in the dis- 
tribution uf the .uoess, G. F. 
Wright, xxxiii, 205. 
Evolution, J. o. Martin, (rev.), II, 
431; (p.s.n.), ii, 43S. 
Evolution of climate, James Geikie, 
(rev.), v, 313; In the Mammalia, 
W. B. Scott, (rev.), ix, 402; Hut- 
ton and Cuvier, precursors of 
Darwin, (cit.), x, 226; Of the 
Brachiopoda, Agnes Crane, 
(rev.), xiii, 194; Of teeth in mam- 
malia, H. F. Osborn, (rev.), xiii> 
357; Outline of development of 
the idea, H. F. Osborn (rev.), xv, 
1S4; Of Australia, A. C. Gregory, 
(rev.) xvi, 114; Laws of climatic, 
Marsden Manson, xxiii, 44; Ev- 
olution of climates, Marsden 
Manson, xxiv, 93, 157, 205; An- 
nouncement of the theory, (ed. 
com.), xxviii, 316; Studies in, C. 
E. Beecher, (rev.), xxix, 182; Of 
climates (ed. com.), xxxiii, 116; 
Of earth structure witn a theory 
of geomorphic changes, T. Jto. 
Reaaer (rev.), xxxiii, 190. 
Examination of water for sanitary 
purposes, Leffmann and .dean, 
(rev.), iii, 334; Of sandstone 
from Augusta county, V irgmia, 
W. W. Miller, Jr. (rev.;, xxvil, 
315. 
Example of wave-formed cusps at 
lake George, F. N. Comstock, 
xxv, 192. 
Excursion to Sudbury, Ontario, (p. 
s.n.), iv, 256; across Long island, 
Bryson, vii, 332; Of the Geolog- 
ical Society (p.s.n.), xii, 206. 
Exhaustion of anthracite coal, (ed. 
com.), iii, 45. 
Existence de nombreux debris de 
Spongiaires dans le pre-Cambri- 
en de Bretagne. L. Cayeux, 
(rev.) xvi, 59. 
Exogenous, structure of Carbonif- 
erous trees. E. W. Claypole, iii, • 
56. . 
Expedition to Mt. St. Elias, I. C. 
Russell, (rev.), viii, 120; To the 
Bahamas, A. Agassiz (abs.), xiii, 
141; Scientific to Popocatapetl, 
J. G. Aguilera and Ordonyez, 
(rev.), xvii, 330. 
Experimental investigation into the 
flow of marble, Adams and Nioh- 
olson (rev.), xxvii, 316. 
Experiments on the rounding of 
pebbles ,T. G. Bonney (abs.), i, 
260; On the constitution of the 
natural silicates, Clarke and 
Schneider, (rev.), vii, 56; De- 
signed to show the upward 
movement of glacial debris, O. 
Guthrie, ix, 2S3; Relative to the 
constitution of pectolite, etc., 
Clarke and Steiger, (rev.), xxiv, 
320. 
Explanation by Dr. Grimsby, xix, 
222; Of the phenomena seen in 
the Becke method of determin- 
ing index of refraction, W. O. 
Hotchkiss. xxxvi, 305. 
Exploration of Indian Territory 
and Red river, R. T. Hill, vi, 253; 
In Alaska, vii, 33; On Grand riv- 
er, Labrador, Cary (rev.), ix, 402; 
