Index, Volumes I-XXXVI. 
63 
XXXII, 
xxxiv, 
. xx, 68; Orthoclase as gangue 
mineral, W. Lindgren, (rev.>, 
xxii, 377; The Nampa figurine, 
G. F. Wright, xxiii, 267; Ditto, 
MeGee, xxiii, 336; Geology and 
Water resources of Nez Perce 
county, I. C. Russell; (rev.), 
xxviii, 319; Geology and water 
resources of the Snake river 
plains, I. C. Russell, (rev.), 
121; Glacial drift, Upham. 
151. 
Iddings, J. P., Rosenbusch's mic- 
roscopical petrography, ii, 430, 
Origin of cuartz in basalt 
(rev.), iii, 52: Rosenbusch's 
Microscopical petrography, 
(rev.), iii, 53; Obsidian Cliff, 
(rev.), iv, 103; Volcanic rocks 
in Tewan mountains and pri- 
mary quartz in certain basalts, 
(rev.), ix, 264; State Museum, 
(ed. com.), xi, 109; Ditto, Josua 
Lindahl, xi, 216; origin of ig- 
neous recks. (rev.), xii, 124; 
Genetic relationship among ig- 
neous rocks, xiii, 95; Rocks of 
electric peak, (rev.), xiv, 117; 
(rem.), xvii, 100; Chemical and 
mineral relationships in igne- 
ous rocks, (rev.), xxii, 381; (p.s. 
n.). xiv, 393; (p.s.n.), xxxiii, 202. 
Identification of Ohio coal meas- 
ures in New Mexico, Herrick 
and Bendrat, xxv, 234. 
Igneous rocks, late volcanic erup- 
tion in northern California, 
Diller, (rev.), ix, 265, Tabulation 
of igneous rocks. F. D. Adams, 
(rev.), ix, 268; Origin of. J. P. 
Iddings, (rev.), xii, 124; Electric 
peak and Sepulchre mountain, 
Iddings. (rev.), xiv, 117; Igneous 
comnlex of Magnet eove. Ark., 
K. S. Washington, (rev.), xxvii, 
121; Rock series and mixed 
>-or>ks. A. Harker, (rev.), xxvii, 
123; Determination of the com- 
ponents, I. A. Williams, xxxv, 
34; Coarseness and its mean- 
ing. A. C. Lane, xxxv, 65; of 
the Lower Neponsett vallev, W. 
O. Crosby, xxxvi, 34, 69. 
Illinois, Gas wells 1 p.s.n). i, 138; 
Spore cases. Protosalvinia, in 
the drift at Chicago, Thomas, (p. 
s.n.), iii, 280; Conularia miss- 
ouriensis, Calvin, v, 207: Artesi- 
ian water from the drift, C. W. 
Rolfe, vi, 32; Local deposit of 
Chester sandstone, J. M. Nlckles, 
vii, 47; Survey report, (p.s.n.), 
v'ii, 71: Ditto, (rev), vii, 203; 
Preglacial drainage in west. in. 
F-ank Leverett, (abs.), x. 220; 
Changes of drainage in Rock 
'•'■ •••• basin. Frank Leverett, 
(abs.), xii. 179; Pleistocene rock 
forges. O. H. Hershey. xii, 314 : 
Exposition, Soils and subsoils, 
fed. com.), xiii, 109; Geological 
map and economic resources, 
r>. W. Meade, (rev.), xiii, 123; 
New invertebrates from the 
Paleozoic. Miller and Gurley, 
(rev.), xiii, 356; Elkhorn Creek 
area of St. Peter sandstone, O. 
H. Hershey, xiv. 169; Columbian 
formation, O. H. Hershey, (abs.), 
xiv, 203; Superglacial eskers, 
Upham, xiv, 403; Columbia 
Formation, O. H. Hershey. xv, 7; 
Loess of western, F. Leverett, 
(abs.), xvii, 102; Early Pleisto- 
cene deposits, O. H. Hershey, 
xvii, 287; Pre-Glacial erosion in 
northwestern Illinois, O. H. 
Hershey. xviii, 72; Academy of 
Science, Chicago, (p.s.n.), xviii, 
334; Eskers of the Kansan 
epoch. O. H. Hershey, xix, 197, 
237; The Chicago area. Frank 
Leverett, (rev.), xx, 57; New 
well at Rock Island, J. A. Udden, 
xxi, 199; Weathered zone be- 
tween the Illinoian and Kansan, 
F. Leverett, xxi, 254; Ditto be- 
tween the lowan Loess and the 
Illinoian till sheet, Leverett, 
xxi, 254; Gold-bearing formation 
of Stevenson county, O. H. 
Hershey. xxiv, 240; Geography 
of Chicago and its environs, 
Salisbury and Alden. (rev.), 
xxv, 174; Glacial lobe, Leverett, 
(rev.), xxv, 3S1; Geological sur- 
vey established, (p.s.n.). xxxvi, 
62; Proboscidean remains, Ud- 
den, (rev.), xxxvi, 258. 
Illustration of the level of no 
strain, E. W. Claypole, v, 83: 
Fauna of the St. John group, 
Matthew, (rev.), xii, 192; Ditto, 
ditto (rev.), xiv, 187. 
Immediate work in chemical sci- 
ence, A. B. Prescott, x, 282. 
Improved rock-cutter, (p.s.n.). xv, 
400. 
Improvemert of geographical 
teaching, W. M. Davis, (rev.), 
xii, 192. 
Incolaria seeuriformis. Herzer, xi, 
Index animalium. C. D. Sherborn, 
1 lev.), xxxi, 184. 
Index of Xew York publications, 
Mary Ellis, (rev.), xxxii, 392; To 
the mineral resources of Ala- 
bama; Smith and Met "alley. 
(rev.), xxxiv, 195. 
India, Carboniferous glaciation. C. 
D. White, iii, 301. 
Indiana, Academy of Sciences. 
(p.s.n.), i, 138; Keokuk group at 
Prawfordsville, C. S. Beachler, 
ii, 107; Natural gas field. Frank 
Leverett, iv, 6; Crinoidea from 
the Niagara limestone, c. S. 
Beachler. iv, 102; Paleontological 
notes from Indianapolis. K. W. 
Olavnole, "i, 255, I""; Rocks at 
St. Paul, 1 ". s. Beachler, vii, 17S; 
Seventeenth report, Gprby, (rev.), 
viii, 186; Niagara rocks in. C. S. 
Beachler, ix. 10s,; Eighteenth re- 
port. New fossils, s. a. Miller, 
1 rev >. x. :'.:'::: Erosion in N. w. 
C. S, 1 leachler, xv. 51; < 'as- 
toroides in Randolph county, .los. 
Cai cinosoma, E. W. < !la 5 pole 
Moore, xii, 67; Xew si ies of 
xiii, 77: Acadi my of Sci 
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