INDEX hO VOLUME XX 
Adams, Frank D. An Experimental Contribution to the Question of 
the Depth of the Zone of Flow in the Earth’s Crust . 
Address Delivered at the Anniversary Meeting of the Geological 
Society of London. By W. W. Watts. Review by A. E. F. 
Anderson, F. M. A Correction (of paper by E. T. Dumble) 
Andrews, E. C. An Excursion to the Yosemite (California), or Studies 
in the Formation of Alpine Cirques, “‘Steps,” and Valley ‘‘ Treads.” 
Review by A. E. F. 
Annual Administrative Report of the State Gooleet for the ear IQIO. 
By Henry B. Kitimmel. Review by A. E. F. , 
Arbuckle Mountains, Oklahoma, A Report on the Geological and 
Mineral Resources of the. By Chester Albert Reeds. Review by 
TaN py d di Se Get een as 
Atlas photographique aes foniies aii rele? arrestte. Review by 
W. W. A. 
Atwood, Wallace W. Gcology. and Mineral meconrces af baer i fhe 
Alaska Peninsula. Author’s Abstract : 
Some Triassic Fossils from Southeastern Alaska 
Atwood, Wallace W., and Kirtley F. Mather. The Evidence of Three 
Distinct Glacial Epochs in the Pleistocene History of the San 
Juan Mountains, Colorado 
Australian Glaciations. By Walter Howehin 
Bailey, Craig, Wright, Clough, and Flett. The Geology of Colonsay 
and Oronsay, with Part of the Ross of Mull. Review by Albert 
Johannsen aes ea tee Smee no cop SS a ee 
Bannock Overthrust, The; A Major Fault in Southeastern Idaho and 
Northeastern Utah. By R. W. Richards and G. R. Mansfield. 
Barnett, V. H. Some Small Natural Bridges in Eastern Wyoming 
Bassler, Ray S$. The Early Paleozoic Bryozoa of the Baltic Provinces. 
Review by L. C. S. : 
Bauer, L. A. Department of Merresteall Magnetism A che) Garment 
Institution of Washington, Annual Report of the Director. Review 
ovis, De Bales rer ened gben erste Mena rs A “s,s ae NS ees 
Bayley, W. S. Iron Mines and Mining in New Jersey. Review by 
JB Gs Ce 
Beitrage zur Kenntnis der Oligovinen iiandeavpetiere aus lata Fz ayum 
(Aegypten). By Max Schlosser. Review by S. W. W. ; 
Bell, James Mackintosh. A Geographical Report on the Franz Josef 
Glacier. Review by A. E. F. 
ath 
PAGE 
97 
582 
680 
192 
580 
287 
676 
675 
653 
385 
193 
80 
681 
438 
374 
192 
284 
93 
287 
