Index. Volumes I-XXXVI. 
101 
sum Kills. C. N. Gould, xxvii, 
188; Reconnoissance in Valencia 
nty. New Mexico. D. \Y. 
Johnson, xxix, 80; Geology of Rio 
Grande do Sul, J. E. Mills, xxix, 
127; Mauch Chunk of Pennsyl- 
vania, J. J. Stevenson, xxix, 
242: Xiphosuran from Penn., C. 
E. Beecher, xxix, 144; Coral 
reefs and geological structure. 
of the Riukiu curve, S. Yoshi- 
wara, (rev.), xxix. 253: Tertiary 
terrane in Kansas. G. I. Adams.. 
xxix, 301; So-called basal gran- 
ite of the Yukon valley R. G. 
McConnell. xxx, 55; A new Co- 
matula from the Fiorida reefs, 
Frank Springer, xxx, 98; West 
Indian eruptions, of 1902, G. C. 
Curtis, xxxl, 40; Titaniferoois 
C. S. Prosser, xxxii, 380; On the 
Pyroxene. A. N. Winchell, xxxi, 
309; Geology of eastern N. Y. 
section across the Sierra Madre, 
W. H. Weed. (rev.), xxxiv, 121; 
Apical end of Canadian En.docer- 
atidae. J. F. Whiteaves. xxxv, 
23; Some rocks and minerals from 
north Greenland. B. K. Emer- 
son, xxxv, 94; Pernian forma- 
ation of Kansas, C. S. Prosser, 
xxxvi, 143. 
Note-takinq and the use of maps, 
A. F. Foerste. iv, 229. 
Nova Scotia, Nomenclature of the 
sjold-bf aring series. J. E. Wood- 
man, xxxiil. 364; The Meguma 
series, J. E. Woodman, xxxiv, 
13. 
Novak, Otomar. Cp.s.n.), x, 330. 
Nutter, E. H., (p.s.nA. xxxii, 331. 
Nutting, C. C, Cp.s.n.), ii. 137. 
Obolella gamagei, W. E. Hobbs, 
xxiii, 114. 
Oho'us. A. Michwitz, (rev.), xviii, 
2"'.4. 
Observations, three Kinderhook fos- 
s ( K R. R. Rowley, iii, 275; On 
Trinacromerum, F. W. Cragin, 
viii, 171: Along the Grand River, 
Mich.. E. II. Mndge, xii, 284; 
On the glacial phenomena of 
Newfoundland. etc.. G. P. 
Wright, (abs.), xv, 198; On the 
Dorsal shields in the Dinichthyids. 
C. R. Eastman, (rev.), xviii, 222; 
On the occurrence of Anthracite, 
W. S. Gresley, xviii, 1; On the 
Cimarron series, F. W. Cragin, 
xix, 351; On certain granopl 
modified by gabbro fragments, 
A. Harker, (rev.), xviii. t^; Ver- 
tebral columns fins and ventral 
armoring of Dinichthys, 1'.. Dean, 
(rev.), xviii, 48; Apical end of 
Endoceras, G. Holm, (rev.), xix, 
BO; On Popoi ■ G. Far- 
rinurton. (rev.), xx, 135; On the 
dirt storms, O. H. Hershey. xxiii, 
380; On Rosebud Indian reserva- 
tion, A. IV Reagan, xxxvi, 229. 
Obsidian cliff. J. P. Iddings, (n 
iv, 103. 
Ocean level raised by adjacent 
land, E. Hull, (p.s.n.), i, 338. 
Oceanic current in the Utica epoch, 
R, Ruedemann, xxi, 75. 
Occli'sicn of igneous rocks within 
metamorphic schists, A. Julien, 
( rev. ). xxxiii, 268. 
Occurrence of Nepheline syonite in 
I lunganon. Ontario, F. D. Adams, 
(rev.), xiv, 189; of acid peg- 
matite in Diabase, T. A. Jag- 
gar. Jr., xxi, 203; Of copper and 
lead in the San Andreas and 
Caballo mountains, C. L. Her- 
lick, xxii, 285; Fossil fishes in the 
Devonian in Iowa, C. R. East- 
man, (rev.), xxii, 237; And ori- 
gin of diamonds, hi Calif., H. 
W. Turner, xxiii, 182; Of native 
gold and copper at Franklin fur- 
nace, N. J., W. M. Foote, (rev.), 
xxvii, 182. 
Official maps of Mexico, (rev.), x, 
121. 
Ogden scientific schools, (p.s.n.), 
viii, 131. 
Ogilvie, Maria, (p.s.n.), xii, '404. 
Oaishke conglomerate, N. H. Win- 
chell. i, 11; Conglomerate strata- 
graphic position, U. S. Grant, x, 
4. 
O'Harra. C. C, Bulletin of the So. 
Dak. School of mines, (rev.), 
xxvii, 124: Maryland's weather 
report. Vol. I, (rev.), xxix, 119; 
Mineral resources of So. Dak, 
(rev.), xxx, 388. 
Ohio. Future of natural gas, E. 
W. Calypole. i, 31; Corals of the 
Cincinnati group, U. P. and J. 
F. James, (rev.), i, 59; Petrole- 
um and inflammable gas, E. Or- 
ton. (rev.), i, 62; Lake-age. E 
W. Claypole, (rev.) i, 63; Natural 
gas at Findlay, Z. L. White 
(rev.), i, 65; Correlation, of the 
Lower Silurian, E. O. Ulrich, i. 
100, 179, 305; ii. 39; B. Orton, 
(p.s.n.), i, 133; Gas explosion 
near Akron, B. W. Claypole, i. 
190; Nomenclature of Cincinnati 
fossils. J. F. James, 333; Fos- 
sil fishes collected by Dr. Clark. 
E. \Y. Claypole, ii, 62; Geological 
survey, econotnlc geology, E. Or- 
ton. ii. 58; Section a.1 Todd's 
fork. A. F. Foerste, ii, H2; Wa- 
verly group, C. D. Herrlck, iii, 
94; Clark collection of fos- 
sil fishes, ip.s.n.). iii, 61; Cin- 
cinnati rocks, their physical his- 
tory, X. \Y. Perry, iv. 326; Na- 
tural gas at Toledo, (p.s.n.), v. 
63; Pre-glacial channels. John 
Bryson. v, 186; New Lamelli- 
branchiata, E. O. Ulrich, v, 270; 
Maquoketa shales, J. F. James, 
v. 33 1 : Tn nton as a source "f 
petroleum, E. Orton, (rev.), v, 
:>xs; Ditto, J. F. James. 394: 
Some peculiar fossil plants, L. 
i.. quereux, (rev.), vi, 322; Pale- 
ozoic flshi s. .). S. Newberry, 
(rev.), vi. 323; Glacial boundary, 
G. F. Wright, (rev.), vi, 390; 
A^r of the Cincinnati anticlinal, 
