Index, Volumes I-XXXVL 
105 
Orthoceratidae of the Winnipeg 
basin. J. F. Whiteaves, (rev.), 
x, 124. 
Orthoclase as a gangue mineral, W. 
Lindgren, (rev./, xxll, 377; From 
the Calumet copper mine, (p.s. 
n.), xxiii, 338. 
Orthothetes minutus from the Sa- 
lem limestones; E. R. Cumings, 
xxvii, 147. 
Ortman, A. E., (p.s.n.), xxxi, 324. 
Orton, E., Preliminary report on- 
inflammable gas, (rev.), i, 62; 
The Trenton as an oil formation, 
(p.s.n.), i, 133; (cit.), iv, 327; 
Survey of Ohio, Vol. VI, (rev.), 
ii, 25S; (p.s.n.), v, 63; Origin of 
the rock pressure of natural gas, 
(abs.), v, 119- Sketch of Leo 
Lesquereux, v, 284; Trenton as 
a source of petroleum, (rev.), v, 
388; Geology of Ohio, 1st report, 
(rev.), vii, 205; Petroleum and na- 
tural gas in western Ky., (rev.), 
ix, 263; Survey of Ohio, Vol. VII, 
(rev.), xv, 187; Structure of the 
Iola gas fields in Kansas, (rev.), 
xxiii, 101; (obit.), xxiv, 326; 
Sketch, I. C. White, xxv, 197; 
Use of the term Buena Vista, 
(cit.), xxxiv, 341. 
Orton, Edward, Jr., (p.s.n.), xxv, 
60; (p.s.n.), xxxiv, 202; (p.s.n.), 
xxxvi, 134. 
Osage, vs. Augusta, Stuart Weller, 
xxii, 12. 
Osann, A., (p.s.n.), x, 398. 
Osar gravels of the coast of Maine, 
<;. H. Stone, (rev.), xii, 122, 200. 
Osborn, H. F., (and W. B. Scott), 
Mammalia of the Uintah forma- 
tion, (rev. 1. vi, 56; (and Scott), 
Fossil mammalia from the White 
River and Loup forma t ions. 
(rev.), vii, 135; New sub-order of 
the Ancylopoda, (rev.), xiii, 357. 
Evolution of te< th in Mammalia, 
dew), xiii, :;•"'"; From the Greeks 
to Darwin, (rev.), xv, 184; Eiuer- 
fano. (abs.), xx, 198; (p.s.n.), xxv, 
394; (p.s.n.). xxvi, 19.",; Phylog- 
eny of the rhinoceroses of Eu- 
rope, (rev.), xxvii, 379; 1 p.s.n.), 
xxvii. :;s'.t; (cit.), xxxi, 369; (p. 
s.n.). xxxi, :!'.»•',: (p.s.n.), xxxii, 
197; (p.s.n. 1. xxxiv, 131; (cit.), 
xxxiv, 132. 
Oscillation, and single ripple marks, 
J. E. Spurr, xiii, 201. 
Oscillations of the coast of ('alii., 
li. W. Fairbanks, xx, 21::; Ditto, 
W. p. Blake, xxi, 164 . 
Osteology <fr Poebrotherium, W. D. 
Scott, (rev.), viii, 27. 
Osteology of Mesohippus anid ob- 
servations en the factors of evo- 
lution in the Mammalia, \v. B. 
Scott, (rev.), ix f 402. 
Ostracoda from Penn., T. Rupert 
Junes, iv, :'.:'.7; Lower Silurian, 
]•;. o. Ulrich, x, 263. 
Ostracoda of the Cambrian of 1 
Breton, G. F. Matthew, (rev.), 
x x i x . 311, 
Otero lake, an ancient salt basin, 
in New Mexico, 1 '. L. Herrick, 
xxxiv, 17-1. 
Ouachita mountains, R. T. Hill, v, 
70. 
Outer glacial drift in I >akota, Mon- 
tana," Idaho and Washington, 
Warren Upham, xxxiv, 151. 
Outlet of the Great Lukes through 
Lake Nipissing, G. F. Wright, 
xi, 243. 
Outline of the geological features 
of Maryland. Williams and Clark, 
(rev.), xii, 396; Of the geology 
of Hudson Bay, R. Bell, (abs.), 
xxiii, 92. 
Outlines of T. Mellard Rea.le's 
scheme of mountain making. T. 
M. Reade, viii, 275; Of the con- 
tinents in Tertiary times, W. D. 
Mil thews, (rev.), xxxiii, 268. 
Overthrust faults of the southern 
Applaehians, C. W. Hayes, (rev.), 
vii, 262. 
Ovibos Cavifrons from the loess of 
Iowa, W. J. McGee, (rev.), i, 
126. 
Owen, Richard, Magnetic phenom- 
ena, (p.s.n.), iii, 404; (obit.), 
v, 320; Biographical sketch, N. 
II. Winchell. vl, 135. 
Owen, Sir Richard, (obit.), xi, 218. 
Owen, David Dale, Sketch of life 
and work. Anon, iv, 05; Descrip- 
tion of fossils, in 1839, S. Cal- 
vin, xii, 108. 
Owen, Luella A. (p.s.n.), xxvii, 387; 
More concerning the Lansing 
Skeleton, (rev.), xxxii, 254; The 
Loess at St. Joseph, Mo., xxxiii, 
223. 
Oxyrhina, C. R. Eastman, (rev.), 
xv, 257. 
Ozark, Uplift, G. C. Broadhead, iii, 
R; Ditto, iv, 153; Series, G. C. 
Broadhead, viii, 33.; Series cor- 
rect succession, G. C. Broadhead, 
xi, 260; Series, Fossils. <!. C. 
Broadhead, xii, 79; "Tlie correct 
succession," reviewed* F. L. Na- 
SOn, xii, 141; I'plit't. Springs in 
the. Influence of stratigraphy bn 
springs, T. C. Hopkins, xiv, 365; 
.\i [tains, ( '. R. Keyes, 1 rev. 1, 
xvi. 393; Plateau ind river val- 
leys of, ( >. 11. Hershey, xvi: 
1 1 ighlands, Peneplains, < >. H. 
Hershey, xxvii, 2.",. 
Ozarkian epoch, (ed com.), xvii, 
3S9. 
Pacific coast. Cretaceous paleontol- 
ogy, fauna of the Knoxville beds, 
T. W. Stanton, (rev.), xix, R3; 
Pacific society <<i mining engineers, 
1 p.s.n.), xxxiii, 333. 
Packard, A. S.. On the EJyncarida, 
< rev. ). ii, 131; ( llacial lunoid fur- 
rows, v, 104; Tiv- Labrador 
.-east. ( rev. ). ix, >'n ; (obit.), 
xxxv, 191. 
Packard, R. L., Rocfe analyses, x, 
54. 
