790 INDEX TO VOLUME XX 
Siliceous Odlites and Other Concretionary Structures in the Vicinity of 
State College, Pennsylvania. By Elwood S. Moore 
Skomer Volcanic Series (Pembrokeshire), The. By Herbert re GRIRY 
Thomas. Review by A. W. Stickney 
Smith, James Perrin. On the Distribution of Lower Tce Paunes 
Smith, Philip S. Geology and Mineral Resources of the Solomon and 
Casadepaga Quadrangles, Seward Peninsula, Alaska. Review by 
Smith: Philip S., and H. M. Rane A Geologic Reconnaissance in 
shuren Seward Peninsula and the Norton Bay-Nulato 
Region, Alaska. Review by A. E. F. : 
Smolensky, S. Schmelzversuche mit Bisilicaten vind italien 
Review by Albert D. Brokaw 
Sollas, W. J., and Alexander McKay. The Rocke of ieape Colville 
Peninsula, Auckland, New Zealand. Review by Albert Johannsen 
Solomon and Casadepaga Quadrangles, Seward Peninsula, Alaska, 
Geology and Mineral Resources of the. By Philip S. Smith. 
Review by A. E. F. 
Sosman, Robert B., and Day, renee it, The ‘Melting: Pomte of 
Minerals in the Light of Recent Investigations on the Gas Ther- 
mometer. Review by Albert D. Brokaw : 
Southeast Kincardineshire, Preliminary Note on the Gener a By 
Robert Campbell. Review by G. S. Rogers : 
South Mountain at the Junction of Berks, Lebanon, and Teaneaster 
Counties, Pennsylvania, The Geology of. By H. N. Eaton 
Specific Gravity Balance, A New. By Austin F. Rogers. Review by 
Harold E. Culver |... 0 Ace os eam 
Speight, R., P. Marshall, and C. A. Cotton: The Younger Rock- 
Series Si New Zealand. Review by A. E. F. : 
Steidtmann, E. Review of Die heutigen Ansichten tiber Wesen tnd 
Enstehung der kristallinen Schiefer, by L. Milch : 
.. Review of Ueber Plastizitat der Mineralien und Gestcne! 
by L. Milch : 
Review of Versuche iiber UmireralierGon von Ni@esrcnean im 
festen Zustande, von F. Loewinson-Lessing 
Stevens, Horace J. The Copper Handbook, Vol. x. Rewer by 
INS IDs 1B : 
Stickney, A. W. Review af Geslony of Minpyeunid Mountain by 
L. V. Pirrson and W. N. Rice ; 
Review of Petrography of Tieipyramid MGRnt tne be ibe Vv. 
Pirsson ; 
Review of The Shomer Voleme Series (Pembrokeshiney by 
Herbert Henry Thomas . 
PAGE 
259 
480 
13 
283 
583 
88 
479 
283 
83 
270 
331 
278 
583 
272 
475 
190 
283 
478 
478 
480 
a ee 
