38 
The American Geologist. 
December, 1905. 
Eastman, C. R., Translation of 
Zittel's History of instruction in 
Geology, xiv, 179; Beitrage sur 
Kenntniss der Gattung Oxyrhina, 
(rev.), xv, 267; Distribution of 
sharks in the Cretaceous, (abs.), 
xvi, 252; (p.s.n.), xvii, 60; Dor- 
sal shields in the Dinichthyids, 
(abs.), xviii, 222; Fossil fish in 
the Devonian of Iowa, (rev.), 
xxii, 237; (p.s.n.), xxiv, 134; 
Eaton, E. N., Winnebago meteorite, 
viii, 3S5. 
Eckel. E. C, Intrusives in the In- 
wood limestone of Manhattan is- 
land, xxiii. 122; Classification of 
the crystalline cements, xxix, 146. 
Endoceratidae of Canada, J. F. 
Whiteaves, (rev.), xxxvi, 186. 
Echinoderma, Bather, (rev.), xxviii, 
257, 299. 
Eichinodermata, Mesozoic, W. P. 
Clarke, (rev.), xiv, 329; Of the 
Missouri Silurian, R. R. Rowley, 
xxxiv, 269. 
Echinoidea, Revision by Gregory, 
(rev.), xi, 360. 
Economic geology of Ohio, E. Or- 
ton, (rev.), ii, 58; Survey in Geor- 
gia and Alabama, Spencer, (rev.), 
v, 185; Geological deposits, clas- 
sification, W. O. Crosby, xiii, 249; 
Geology of the United States, R. 
S. Tarr, (rev.), xiii, 189; Reply to 
Dr. Penrose, R. S. Tarr, xiii, 361; 
Of the Pembina region of North 
Dakota, C. P. Berkey. xxxv, 142; 
In Peru, V. F. Marsters, xxxvi, 
265; Of the United States. Hein- 
rich Ries, (rev.), xxxvi, 321. 
Economic Geology, (p.s.n.), xxxvi, 
330; Consolidation with the Amer- 
ican Geologist, (ed. com.), xxxvi, 
309. 
Ecuador ores, (ed. com.), xiii, 49. 
Educational series of rock speci- 
mens, J. S. Diller, (rev.), xxiii, 
61. 
Edward Waller Claypole, (ed. com.), 
xxviii, 247. 
Effect of continental land areas on 
the level of the oceans adjacent, 
(p.s.n.), i, 338; Of cliff erosion on 
form of contact surfaces, N. M. 
Fenniman, (rev.), xxxv. 3S5. 
Egypt. Extinct vertebrates from, 
C. W. Andrews, (rev.), xxviii, 
389. 
Eifel tower, (p.s.n.). Iv, 254. 
Eiahth session, Geol. Cong. Geol., 
Frazer. xxvii, 335. 
Einege Beitrage sur Kenntniss der 
boehmischen Kreide, J. J. Jahn, 
(rev.), xvii, 54. 
Eisen. Gustav, (p.s.n.), xvii, 123. 
Ejected blocks of Monte Somma, 
Johnston -La vis, (rev.), xiv, 53; 
Elasmobranch, O. P. Hay, (rev.), 
xxix, 255. 
Eldridqe, Geological reconnoissance 
in N. W. Wyoming, (rev.), xv!, 
392: (p.s.n.). xxxiii, 59. 
Elective system in the Michigan 
mining school, M. E. Wadsworth, 
xvi, 223; In engineering colleges, 
M. E. Wadsworth, xviii, 282; 
Electro-chemical analysis, E. F. 
Smith, (rev.), vii, 331. 
Elementary Geology, Chas. Bird, 
(rev.), xi, 60; Meteorology, Davis, 
(rev.), xiii, 354; Ditto, R. S. Tarr, 
(rev.), xix, 277; Geography, R. E. 
Dodge, (rev.), xxxiv, 197; 
Elements of geology, J. Le Conte, 
(rev.), vii, 260; Fourth edition, 
(rev.), xviii, 3S4; Fifth edition, 
(rev.), xxxii, 395; Of crystallog- 
lography, G. H. Williams, (rev.), 
ix, 208; de Paleontologie, Bernard, 
(rev.), xi, 410; Ditto, part 2, 
(rev.), xiv, 334; of physical ge- 
ography, R. S. Tarr, (rev.), xvi, 
392; Of strength and weakness in 
building stones, A. A. Julien, 
(abs.), xxi, 397; Mineralogy, crys- 
tallography, etc., Moses and Par- 
rous, (rev.), xxvi, 323; Ditto, 3d 
edition, (rev.), xxxv, 183. 
Elkhorn creek area of the St. Pe- 
ter sandstone, O. H. Hershey, xiv, 
16^. 
Elemente der Paleontologie Stein- 
mann (rev.), iii, 401; Ditto, v. 
183. 
Elevation, Isobases of post-Glacial, 
DeGreer, ix, 247; Average of 
United States, (rev.), xv. 62. 
Elftman. A. H. (p.s.n.), xvi, 130, 
32S; Keweenawan in N. E. Min- 
nesota, xxi, 90, 175; Ditto, xxil, 
131; St. Croix river valley, xxii,' 
258. 
El Instituto geologica de Mexico, 
F. N. Gould, xxxvi, 293. 
Ellensburg folio, G. O. Smith, 
(rev.), xxxi, 2;>5. 
"Elliptocephalus asaphoides of the 
Tacomic of Emmons. J. Marou, 
ii, 12. 
Ells iR. W. Quebec group, (abs.), 
v, 120; Province of Quebec, (rev.), 
v, 243; Resources of Quebec, 
(rev.), viii, 304; Laurentian of 
the Ottawa district, (abs.). xi, 
134; Importance of photography 
in illustrating geological struc- 
ture, xi, 139; Mica in the Lauren- 
tian, (abs.), xiii, 214; Potsdam 
and Calciferous in Quebec and 
Ontario, (abs.), xiv, 67; (and 
Barlow), Canal from St. Law- 
rence river to Lake Huron (rev.), 
xvii, 250: Province of Quebec, 
(rev.), xviii, 387. 
Ellis, Mary. Index of New York 
state publications (rev.), xxxii, 
392. 
Elmira quadrangle, Clarke and Lu- 
ther Crev.). xxxiv, 324. 
Emerscn, B. K. Porphyritic gran- 
ite, (abs.), v. 121; Triassic of 
Massachusetts (rev.), viii. 185; 
Absence of interglacial conditions 
in New England (abs.), xi. 174; 
(n s.n). xiii. 194; (p.s.n.), xvi, 131, 
132. 241; Stream-robbing (cit.>, 
xvi, 244; Old Hampshire county 
