Index, Volumes I-XXXVI. 
109 
Prutzman, xxxy, 240. 
Petrology, Introduction to th« 
study, F. H. Hatch, (rev.), vll, 
377; for students, A. Harker, 
(.rev.), xvii, 327; xxi, 67. 
Phalen, w. C, (p.s.n.), xxx, 201; 
(p.s.n.), xxxiil, 396. 
Phenocrysts of igneous rocks, L. 
V. Pirsson, (abs.), xxiil, 106; L. 
V. Pirsson, (rev.), xxiv, 180. 
Phenomena of beach and dune 
sands, N. S. Shaler, (abs.), xf II, 
144; of falling: meteorites, O. C. 
Farrington, xvli, 82; in the Becke 
method of determining; index of 
refraction. W. O. Hotchkiss, 
xxxvl, 305. 
Philadelphia academy of sciences 
(p.s.n.), xvii, 261; 346. 404; (p.s 
n.), xviii, 60. 
Philadelphia meeting; of the G. S. 
A.. Upham, xvii, 89. 
Philadelphia, serpentines in the 
neighborhood, A. J. Jonas, xxxvl, 
296. 
Phillipsastrea gigas, S. Calvim xii, 
108. 
Phillips, A. H., Trap of rocky hill, 
N. J., (rev.), xxiv, 321. 
Phillips, W. B., Iron making in 
Ala., (rev.), xxlii, 328; (p.s.n.), 
xxviii, 268; ((p.s.n.), xxx, 130; 
(p.s.n.), xxxlii, 133. 
Philippines, The Report on geology 
of. G.F.Becker (rev.) xxviii, 126 ; 
126: volcanoes and Seismic cen- 
ters, S. Maso, (rev.), xxxlv, 391. 
Phosphate in Florida (p.s.n.), v 
192; beds of Navassa, D'lnvil- 
liers. (rev.), vii, 202. 
Phosphate-bearing rocks in Ten- 
nessee, J. M. Safford. xiil, 107. 
Phosphates in marls in Georgia, 
S. W. McCallie. (rev.), xxli, 193. 
Photographic survey, M. Fischer, 
iv, 289. 
Phyllopoda, British Paleozoic, 
Jones and Woodward, (rev.), xil, 
332. 
Phylogeny, of the Rhinoceroses ol 
Europe. H. F. Osborn, (rev.), 
xxvii, 379. 
Phylogeny of an acquired charac- 
teristic, A. Hyatt, (rev.), xvl, 
256. 
Physical theories of the earth, T. 
M. Reade, iii, 106; geology of 
Tennessee. Hull and Foerste. Vll, 
Jukes-Browne, (rev.). xi, 61; 
345: Hand-book of geology. A. J. 
conditions of the flow of glaciers, 
Upham, xvii, 16; features be- 
tween the St. Lawrence and 
Lnke Huron. Ells and Barlow, 
(rev.) xvii, 250; features of Mis- 
souri, C. F. Al.irl.nl. (rev.), xviil, 
389; effects of contact metamor- 
phism. J. Barrell, (rev.), xxlx, 
Physical Geography. W. M. Davis, 
(rev.), xi, 416; of Alaska. I. C. 
Russell, (rev.), xiv, ::::i : eli n 
tn.iv. R. S. Tarr. (rev.), xvi. 
Of the Litorina Sea, Henr. Mun- 
the, (rev.), xvi, 126: Of South- 
ern New England, TV. M. Davis, 
(rev.), xvii, 250 of N. J. Salis- 
bury and Vermeule, (rev.), xxii, 
123; W. M. Davis, (rev.), xxiii. 
127; Lessons in, C. R. Dryer, 
(rev.), xxix, 57; Gilbert and Brig- 
ham, (rev.), xxx, 123; New. R. 
S. Tarr, (rev.), xxxiii, 257 E. 
Suess, rev.), xxxv, 181; Student's 
manual, A. P. Brigham, (rev.), 
xxxv, 181. 
Physics of Mountain-building T. 
M. Reade, ix, 238. 
Physiography and uniformitarian- 
ism, W. M. Davis, (abs.). xvi 
243; of the Chattanooga district. 
C. W. Hayes, (rev.), xxiv, 250: Of 
Acadia, R. A. Dalv. (rev.), xxvii, 
317. 
Physiographic geology of the Puget 
sound region. J. P. Kimball, 
xviii, 225: 304. 
Physiographic development of the 
upper Mississippi valley, O. H. 
Hershey, xx, 246. 
Piedmont Plateau, C. R. Keyes, 
(rev.), vli, 330; (p.s.n.), 335. 
Pierce, S. J., Preglacial Cuyahoga 
valley, xx, 176; Cleveland Water 
Supply tunnel, xxviii, 380. 
Pierre formation, (Am. com.), II 
164. 
Pillsbury, J. S.. Gift to the Uni- 
versity of Minn., (p.s.n.), ili, 341. 
Pilsbry, H. A.. Unionidae at Fish 
Neouse. N. J., (p.s.n.), xviii, 60; 
Pilot Knob, A marine Cretaceous 
volcano. R. T. Hill, vl, 286. 
Pirrson, L. V., (Oit.), xv. 66; A 
needed term in petrography, 
(abs.), xvii, 94; (p.s.n.), xx, 138; 
Phenocrysts of igneous rocks, 
(abs.), xxiii, 106 Ditto, (rev.), 
xxiv, 180; (p.s.n.). xxiv, 394; 
(p.s.n.), xxv, 59; (and W. H. 
Weed.), T.ittk> licit mountains, 
(rev.), xxvii, 254; Mineralogv and 
petrography, Sheffield scientific 
school, (rev.), xxviii, 322; (p.s.n.), 
xxxiii, 332; 
Pithecanthropus erectus, (p.s.n.), 
xv, 196. 
Pittsburg coal bed and its dis- 
turbances, H. A. Wasmuth, I, 
272. 
Pittsburg coal beds. I. C. White, 
(abs.), xx, 196; I. C. White, xxi, 
Ml. 
Pittman, E. F., Willyamite. a new 
mineral, (rev.), xiv. 253; Kal- 
goorlite from Australia, (rev.), 
xxi, 383. 
Placer mines about Downieville 
1 Jalif., 1 p.s.n.), iii, 6.-,. 
Placoderm, Gigantic from Ohio. E 
W. Claypole, x, 1: of Ohio. E. 
W. Maypole xli, 89: from the 
Cleveland shale, E. W. Claypole. 
_xiv, 379. 
Plains, of marine and subaerlal de- 
nudation, W. M. Davis, (abs.), 
xvll, 96; Permian. F. W. Crfl- 
gin; xviii, 131; Bolson of the 
southwest, W. G. Tight, xxxvi, 
271. 
Plan of the earth and its causes. 
J. W. Gregory, xxvll, 100; 134. 
