weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1901. 15 
21 Ami (Henry M.). The Knoydart formation in Nova Scotia- a bit 
of the old Red sandstone of Europe. 
Abstract: Science, new ser., vol. 13, p. 135, 1901. 
22 Stratigraphieal note. 
Science, new ser., vol. 13, pp. 394-395, L901. 
Contains brief notes on Devonian an. 1 Silurian subdivisions in Nova 
23 
Scotia. 
- [Review of "General Index to the Reports of Progress L863 
to 1884," by D. B. Dowling.] 
Science, new ser., vol. 13, pp. 424-425, 1901. 
24 - — - The Royal Society of Canada (twentieth meeting). 
Science, new ser., vol. 13, pp. 1015-1021, 1901. 
Contains abstracts of papers. read. 
25- -Notes on some of the Silurian and Devonian formations of 
eastern Canada, and their faunas and floras. 
Abstract: Science, new ser., vol. 13, pp. 1017-1018, 1901 
26 - - On the subdivisions of the Cambrian system in Canada. 
Abstract: Science, new ser., vol. 13, p. 1019 (.{ p.), 1901. 
Paper read before the Royal Society of Canada. 
27 A dual classification required in the nomenclature of the geo- 
logical formations in different systems in Canada. 
Abstract: Science, new ser., vol. 13, pp. 1019-1020, 1901. 
Paper read before the Royal Society of Canada. 
28 Brief biographical sketch of Elkanah Billings. 
Am. Geol., vol. 27, pp. 265-281, 1901. 
Gives a brief account of the life and work of Billings and a chrono- 
logic list of his publications. 
29 — — Bibliography of Dr. George M. Dawson. 
Am. Geol., vol. 28, pp. 76-86, 1901. 
30 Bibliography of E. Billings. 
Am. Geol., vol. 28, p. 132 (J p.), 1901. 
Gives five additional references to the Bibliography of Billings here- 
tofore published. 
31 Anderson (F. M.). The Neocene basins of the Klamath Moun- 
tains [California]. 
Abstracts: Jour. Geol., vol. 9, pp. 75-76, L901; Geol. Soc. \m.. Bull., 
vol. 12, pp. 500-501 (.]]).). L901. 
Brief notes on the structural features of the range. 
32 Ashley (George H.), Blatchley (W. S.) and. The lakes of north- 
ern Indiana and their associated marl deposit-. 
See Blatchley (W. S.) and Ashley (G. ID. 69. 
33 Askwith(W. K.). The West Gore antimony deposits [Nova Scotia]. 
Can. Mg. Rev., vol. 20, pp. 17:: 17:.. 2 tigs., L901. 
Describes the character and occurrence "i the ore body. 
