no 
The American Geologist. December, 1905 
Planetary system, Study of the 
structure and growth, F. B. Tay- 
lor, (rev.), xxxiii, 191. 
Planet Mars, Glacial notes from, 
E. W. Claypole, xvl, 91. 
Plants, new from the Erian, J. 
VV. Dawson, (rev.), v, 180; De- 
vonian from Ohio, J. S. New- 
berry (rev.), v, 1S4; Peculiar 
kinds of marine, Lesquereux, 
(rev.), vi, 322; dossil, L. F. 
Ward, (rev.), vi, 323; Fossil wood 
and lignite of the Potomac, F. 
R. Km>\\ mm, (rev.), vi, 324. 
Plants of the Trias, L. F. Ward, 
(abs.), viii, 192; geologic correla- 
tion L. F. Ward, Ix, 34; Tertiary 
from Bolivia, A. F. Wendt, 
(rev.), x, 63; as a. "means of cor- 
relation, L. F. Ward, (rev.), xiv, 
34; ditto, K H. Knowlton, (rev.), 
xiv, 335; Fossil, A. C. Seward, 
(rev.), xxiii, 195. 
Platte channel. An old, G. E. Con- 
dra, xxxi, 361. 
Platyceras attachment to Crin- 
olds, C. R. Keyes, (rev.), Ill, 148; 
Capulus, relations of, C. R. 
Keyes, vi, 6; group of Paleozoic 
Gasteropods, C. R. Keyes. x, 
273. 
Platycnemlc man in N. T., W. H. 
Sherzer, (rev.), xiv, 197. 
Platygonus eompressus in Michi- 
gan, (p.s.n.), i, 67. 
Plea for exposition of Lithology In 
museums, L. P. Gratacap, xxlll, 
281. 
Pleistocene system, (Am. com.), II, 
294; 286; papers at Washington 
meeting, Geol. Soc. Am., (p.s.n.), 
vii, 141; of the Winnipeg basin, 
J. B. Tyrrell, viii, 19; Attitude of 
the continent, (p.s.n.), viii, 193; 
papers at the Rochester meet- 
ing, x, 217; Geography W. J. Mc- 
Gee, (abs.), x, 223; changes of 
lpvel in eastern North America, 
G. DeGeer, xi, 22; Papers at the 
Ottawa meeting G. S. A., xi, 
132. 171. 241; and piesent 
ice' sheets, W. Upham, (rev.), 
xii, 119; Succession in the Miss- 
issippi and Nelson river basins, 
W. Upham, (abs.), xli, 170; Rock 
gorges of 111., O. H. Hershey, xii, 
314; In the Columbian Exposi- 
tion, (ed. com.), xiii, 109; Can- 
ada, J. W. Dawson, (rev.), xiil, 
116; Champlain valley, S. P. 
Baldwin, xiii, 170; Problems in 
Missouri. J. E. Todd, (rev.), xiil, 
216; Papers at the Baltimore 
meeting-, G. S. A. (p.s.n.), xv, 
197; features of Chicago, F. Lev- 
erett, (rev.), xx, 57; of northern 
and central Asia, (ed. com.), 
xxvii, 311; of Western N. T., H. 
L. Fairchild, (rev.), xxx, 264; of 
the Concannon farm near Lan- 
sing, Kan., N. H. Winchell, xxxl, 
263; foraminifera from Panama, 
J. A. Cushman. xxxiii. 265; 
Fauna of Sankaty Head. J. 
A. Cushman. xxxlv, 169; history 
of Fishers' Island, M. L. Fuller, 
xxxv, 51; proboscidean fossils of. 
J. A. Udden, (rev.), xxxvi, 258; 
Pliocene and pleistocene of San 
l edro, l '.iiif., Ralph Arnold, 
(rev.), xxxiii, 49. 
Plummer, F. G., Diagonal moraine, 
xii, 231. 
Poebrotherium, osteology of, W. B. 
Scott, (rev.), viii, 327. 
Pockets of fire clay in the Niagara, 
Farnsworth, ii, 331. 
Poissons Paleozoiques, Lohest, 
(rev.), Hi, 196. 
polar cap of Mars, (p.s.n.), xviil, 
196. 
Pompholopsis whitei, Call, I, 147. 
Pompeckj J. F., Cambrian fauna of 
Tejrovic and Scarej, (rev.), xviii, 
1S6; Tremadoc fossils at I lot', 
(rev.), xviii, 264; Paleontological 
and stratigraphical notes from 
Anatolia, (rev.), xxii, 51; On 
Calymene (rev.), xxii, 384; Juras- 
sic fauna of Franz Josef land, 
(rev.), xxv, 320; Euloma ana 
Parostoma, (rev.), xxv, 383. 
Pond, E. J., (obit.), ix, 280. 
Popocatapetl, Aguilera and Ordon- 
ez, (rev.), xvii, 330. 
Popocatapetl and Ixtaccihuad, O. 
C. Farrington, (rev.), xx, 135; 
(p.s.n.), xxi, 332. 
Popular lectures and addresses, 
Lord Kelvin, (rev.), xiv, 118. 
Porocystis pruniformis- Cragin, H. 
Rauff, (rev.), xv, 122. 
Portage Crinoids, Clarke, (ed. 
com.), xxxv, 246. 
Portland cement, C. D. Jameson, 
(rev.), xvi, 115; (ps.n.), xxx, 72. 
Port Mulgrave, latitude and longi- 
tude, A. Lindenkohl xii, 214. 
Posada, J., (and A. C. Lawson), 
Carmelo Bay, Calif., (rev.), xii, 
262. 
Posepny Franz, (obit.), xv, 336. 
Possible depth of mining and bor- 
ing, A. C. Lane, (abs.), xvii, 100; 
new coal plants in coal. W. S. 
Gresley, xxiv, 199; new coal 
plants in coal, W. S. Gresley, 
xxvi, 49; coal plants in coal, W. 
S. Gresley, xxvii, 6. 
Post-Archaen age of the limestones 
of Sussex county, N. J., F. L 
Nason, vii, 241, age of the lime- 
stones of N. J., F. L. Nason, 
viii, 166. 
Post-Cretaceous grade plains in 
southern New England. F. P. 
Gulliver, (rev.), xviii, 231. 
Post-Cretacic system, (Am. com.), 
ii, 65. 
Post-Glacial geologrv of Ann Arbor, 
Wooldridge, C. W., ii, 35. 
Post-Glacial time, W. Upham, 
xxviii, 235. 
Post- Laramie deposits of Colo., R. 
W. Hills, (rev.), xvl, 120. 
Post-Pleistocene, Limnaeid. R. E. 
Call, I, 146; subsidence vs. Gla- 
cial dams, J. W. Spencer, (rev.), 
vlil, 186; diastrophism of Calif., 
A. C Lawson, (rev.), xiv, 336. 
