34 
The American Geologisf. 
December. 1 905. 
Derby, Orville A. Nepheline rocks 
in Brazil (rev.), i, 2od; (P-S.n.), 
vi, 68; Nepheline rucks in Brazil, 
(rev j, x, 326; Quartz veins in ar- 
gillaceous rocks (.rev.), xxiv, 182; 
Mode of occurrence of lopaz, 
(rev.), xxvii, 1S5. 
Derivation of the rock name anor- 
ihosyte, H. P. Cushing, xxix, 
190- , • ,,o 
Descloiseaux, A. (obit.), xxi, 332. 
Description of eight new Cambro- 
Silurian fossils from Manitoba, 
j F. Whiteaves, (rev.), v, 58; 
New crinoids, blastoids ana 
brachiopods, R. R. Rowley, xii, 
303; de quelques trilobites de 
1 ordovicien, Buigeron, ut..;, x», 
262; New fossils from Missouri, 
R R. Rowley, xvi, 217; of Java 
and Madoura, Verbeek and Fe- 
uema tie v.), xx, 331; i\cw u&.;j 
from Missouri, R. R. Rowley, 
xxv, 261, Of new species of Clad- 
odus from the Devonian of Col- 
orado, O. P. Hay, xxx, 373. 
Desor, E., Laurentian as a Quater- 
nary term, (cit.), v. 33. 
Determination of common miner- 
als, W. O. Crosby, (rev.), xvi, 
217; of feldspars by the methods 
of Michel Levy, G. F. Becker (p. 
s.n.), xix, 223; Of the feldspars. 
N H Winchell, xxi, 12; Of the 
Cambrian age of the Cambrian 
limestones of Missouri, C R- 
Keves, xxix, 384; Of the feldspars 
in this section, J. E. Spurr, xxxi. 
Determinative mineralogy, _B rush 
and Penfield, (rev.), xviii, 391. 
Development of some Silurian 
Brachiopoda, Beecher and Clarke, 
(rev.), v, 54; Of the corallum in 
Favosites forbesi var occidentahs, 
G. H. Girty, xv, 131; of rivers, 
illustrated by Deer river in Mich- 
igan, J M. Clements, (abs.), xvii, 
126: and growth of Diplograptus 
R. Ruedemann, (rev.), xx, 136; Of 
well boring and irrigation in 
South Dakota, N. H. Darton.- 
(rev.), xxi, 325; Development of 
the Ohio river, W. G. Tight, 
(abs.), xxii, 252; and morphology 
of Fenestella, B. R. Cumings, 
(abs.), xxxv, 50. 
Devonian, Origin of the name, (Am. 
Com.), ii, 225; Areas in . North 
America, (Am. Com.), u, 22b; 
Continental area, (Am. Com.), n, 
232; Base of, (Am. Com.), H, 
237; Top of, (Am. Com.), ii, 239; 
Distinct marine faunas, (Am. 
com.), ii, 240; Not sharply divid- 
ed, (Am. Com.), ii, 242; Unsettled 
nroblems, (Am. com.), n, 245; 
Faunas of Iowa, S. Calvin, in, 25; 
Faunas of Iowa, H. S. Williams, 
iii. 230; Remarks on the report of 
the American committee, J. Mar- 
cou, iii. 60; Plants from Ohio, 
J S. Newberry, (rev.), v, 184; 
Plants from Scotland, (rev.), vi, 
56; Thickness of in New York, 
C. S. Prosser, vi, 199; Middle De- 
ian of western Australia, 
Nicholson and Hind, (rev.), vi, 
322; Fossil fishes, (p.s.n.), vii, 
143; Of Buchanan couniy, Iowa, 
Calvin, viii, 142; Correlation pa- 
per, M. S. Williams, (rev.), ix, 
Chemung and Catskill, J. J. 
Stevenson, ix, 6; Fish fauna of 
New Brunswick, A. S. Woodward, 
(rev.), ix, 263; Rocks of Buchanan 
Jschernyschew, (rev.), xii, 335; 
In Ohio and Germany, C. Ro- 
minger, x, 56; Fauna of Altai 
Tsohernyiehew, (rev.), xii, 335, 
Autodetus and paramurpinc 
shells, J. M. Clarke, xiii, 327; 
v ersteinerungen in Brazil, Am- 
nion, (rev.), xiii, 427; Paleo- 
zoic fauna of the Ural Tscherny- 
schew, (rev.), xiv, 119; of eastern 
Pennsylvania and New York, C. 
S. Prosser, (rev.), xv, 262; Upper 
middle Devonian in the moun- 
tains of the Rhine, Holzapfel, 
(rev.), xvi, 389; Series in S. W. 
Missouri, Hershey, xvi, 294; Fish 
remains in Bohemia, Roenen, 
(rev.), xvi, 31S; Formations of 
the southern Appalachian, C. W. 
Hayes, (abs.), x\/ii, 107; Discov- 
ery of new fish fauna, Mixer, 
xviii, 223; of the Rhine, Beushau- 
sen, (rev.), xviii, 124: the south' 
ern formations, H. S. Williams, 
(rev.), xx, 133; of Bretagne and 
Ardennes, C. Barrois, (rev.), xxiii, 
3S6; Mollusks from Brazil, J. M. 
Clarke, (rev.), xxiv, 311; System 
in Canada, J. F. Whiteaves, xxiv, 
210: Fish remains from the Eifel, 
Huene, (rev.), xxv, 251, 391; Lam- 
prey, Bashford Dean, (rev.), xxvi, 
60; New Cladodus from Colorado, 
O. P. Hay, xxx, 373; Era in the 
Ohio basin, E. W. Claypole, xxxil, 
15. 79, 240, 312, 335; Paleontology, 
Williams and Kindle, (rev.), 
xxxvi, 49. 
Devon ic of America and Russia, C 
Schuchert, xxxii, 137. 
Dewalque, Prof. G., The Cambrian 
Silurian, Taconic, (p.s.n.), ii, 365; 
(cit.), v, 381; Use of the Taconic, 
(cit.), vlil, 184. 
le pre-Cambrien de Bretagne, 
Cayeux, (rev.), xvi, 59. 
Diabase dikes of the Rainy lake 
region, A. C. Lawson, i, DO; i.. 
the Missouri Archean, E. Ha- 
worth, \, 287. 
Dlabasic schists of northeastern 
Minnesota, H. "V. Winchell, iii, 18. 
Diagonal moraine, F. G. Plummer, 
xii, 231. 
Diagram of barrier reef at Tahiti, 
L. E. Hicks, i, 301. 
Diamonds, in meteorites, (p.s.n.), I, 
137; In Wisconsin, (p.s.n.), vli, 
72; Second largest, (p.s.n.), x, 398; 
In meteoric stones, (p.s.n.), xl, 
282; At the Columbian Exposition, 
Geo. H. Williams, xiii, 349; Ditto, 
(ed. com.), xiii, 416; In meteorites 
Huntington, (rev.) xiii, 284; in 
