RECENT P UBLICA TIONS 365 



-Edinburgh Geological Society, Transactions of the. Vol. VIII, Part I. 



Edinburgh and London, 1901. 

 -Ells, R. W. Ancient Channels of the Ottawa River. [Reprinted from 



the Ottawa Naturalist, Vol. XV, No. 1, pp. 17-30, April 1901, Ottawa, 



Canada.] 



The Physical Features and Geology of the Paleozoic Basin between the 

 Lower Ottawa and St. Lawrence Rivers. [From the Transactions of 

 the Royal Society of Canada, Second Series, 1900-1. Vol. VI. Section 

 IV, Geological and Biological Sciences.] Ottawa and Toronto, Canada, 

 and London, England. 

 -Gannett, Henry. Profiles of Rivers in the United States. [Water 



Supply and Irrigation Papers of the United States Geological Survey, 



No. 44.] Washington, 1901. 

 -Grabeau, Amadeus W. Lake Bouve. An Extinct Glacial Lake in the 



Boston Basin. [From the Occasional Papers of the Boston Society of 



Natural History, Vol. IV, Part III.] Author's edition, issued July 1900. 



Boston. 

 -Hale, George E. Changes in the Spectrum of Nova Persei. The 



Yerkes Observatory of the University of Chicago, Bulletin No. 17. The 



University of Chicago Press, 1901. 

 •Hay, O. P. The Chronological Distribution of the Elasmobranchs. [Re- 

 printed from Transactions of Amer. Philos. Soc, Vol. XX,] 

 -Indiana: Department of Geology and Natural Resources. Twenty-fifth 



Annual Report, 1900. W. S. Blatchley, State Geologist. Indianapolis, 



Ind., 1 901 . 

 -Keyes, Charles R. A Depositional Measure of Unconformity. [Bull. 



of the Geol. Soc. of Am., Vol. XII, pp. 173-196, plate 19]. Rochester, 



1901 . 

 -Kummel, Henry B., and Stuart Weller. Paleozoic Limestones of 



Kittatinny Valley, New Jersey. [Bull, of the Geol. Soc. of Am., Vol. 



XII, pp. 147-164.] Rochester, April 1901. 

 -Lambe, Lawrence M. Contributions to Canadian Palaeontology, Vol. IV 



(Geological Survey of Canada). Part II. A Revision of the Genera and 



Species of Canadian Paleozoic Corals ; the Madreporaria Aporosa and 



the Madreporaria Rugosa. Ottawa, 1901. 



Notes on a Turtle from the Cretaceous Rocks of Alberta. [Reprinted 

 from the Ottawa Naturalist, Vol. XV, No. 3, pp. 63-67, June 1901, 

 Ottawa, Canada.] 

 -Marsh, C. Dwight. The Plankton of Fresh Water Lakes. [Reprinted 



from the Transactions of the Wisconsin Academy of Sciences, Arts, and 



Letters, Vol. XIII.] 



