INDEX TO VOLUME XV 
Composition and Character of Illinois Coals. S. W. Carr 
Concretions, New Forms of. H.W. Nichols. Review by C. W. W. 
Condon, Thomas. By Chester W. Washburne Rio, MICE TERS | ule 
Conglomerates: The Characteristics of Various Types. George R. Mans- 
field : : 
Dome Structure in Gonelomerate. Ralpi erola : : : 
Constitution of the Interior of the Earth as Revealed by Rarthquakes: Re 
D. Oldham. Review by C. W. W. : Sear sae 
Contributions to the Pleistocene Flora of North Coan, Edward W. 
IBETGY ewan 
Coons, A. T. Slate Denes ond Slate Tinstaetses of ae United States 
Review by C. W. W. : 
Copper Deposits of the Robinson Nniae District, Nevada. Ander C: 
Lawson. Review by E. W. S. Bes aa 
Copper Deposits of the Clifton, Morenci District, Neo ave W. Lindgren. 
Review by C. W. W. 
Corstrophine, G. S., and F. H. Hite “The Geslory of ‘South AGres: 
Review by J. E. C. ‘ 
Corundum and Peridotites. J. olny ities aa i Hyde Pratt Author 
Abstract by J. Volney Lewis 
Corundum and Dumortierite. An @ucumence in iacarstia in Colorado. 
George J. Finlay 
Cragin, F. W. Paleontology of the Malone qatessie Bomaauon ‘of T exas. 
Review by C. W. W. 
Cretaceous Section in the Moose Mountain District Soutien Alberta 
By D. B. Dowling. Review by C. W. W. JO eh Reta Bese 
Crider, A. F. Geology and Mineral Resources. Review by C. W. W. 
Cross, Whitman. Stratigraphic Results of a Reconnaissance in Western 
Colorado and Eastern Utah Raines 
Crystalline Rocks of the Oak Hill Area near or José, ‘Cikont: E. P. 
Carey and J. W. Miller nape Ae 
Cumberland Gap Coal Field, Kentucky. Gane pred Miners Resources 
of Part of It. G.H. Ashley and L. C. Glenn. Review by C. W. W. 
Dale, T. Nelson. Slate Deposits and Slate Industry of the United States. 
Review by C. W. W. 5 Eee nae yal 
Daly, R. A. Limeless Ocean of Pre- Cambrian anes Review by C. W. W. 
Differentiation of a Secondary Magma ee Gravitative Adjustment 
Review by C. W. W. : 3 
Darton, N. H. Discovery of Cambrian Racks in Soutiientent Galvorain 
Das Berneroberland und Nachbargebiete, specieller Theil. A Baltzer. 
Review by R. T. C. 
Derby, O.A. The Sedimentary Belt S the oust af Bevzill: 
833 
PAGE 
825 
733 
280 
55° 
560 
608 
338 
607 
302 
606 
81 
85 
479 
605 
734 
825 
634 
152 
603 
607 
602 
733 
470 
508 
218 
