58 RECENT PUBLICATIONS 



-Hitchcock, C. H. New Studies in the Ammonoosuc District of New Hamp- 

 shire. [Bulletin of the Geological Society of America, Vol. XV, pp. 461-82, 

 Pis. 42-44, October, 1904.] 



-Hobbs, William H. Origin of the Channels Surrounding Manhattan Island, 

 New York. [Ibid., Vol. XVI, pp. 151-82, PI. 35, April, 1905.] 



-Hogbom, A. G. Nya Bidrag till Kannedomen om de kvartara Nivaforan- 

 dringarna; I, Norra Skandinavien. [Geologiska Foreningan: Stockholm, 

 Forhandlingar, Vol. XXVI, Part 6, 1904.] 



Om S. K. "Jaslera" och om Villkoren for dess Bildning. [Ibid., No. 



232, Vol. XXVII, Part 1, 1905.] 



-Jackson, Dugald C. Desirable Product from the Teacher of Mathematics 

 — The Point of View of an Engineering Teacher. [An address delivered 

 before the general session of the Central Association of Science and Mathe- 

 matics Teachers, November 25, 1904.] 



-Kellogg, V. L., and Bell, Ruby G. Studies of Variation in Insects. [Pro- 

 ceedings of the Washington Academy of Sciences, Vol. VI, pp. 203-332, 

 December 14, 1904.] 



-Kraus, Edward H. On the Origin of the Caves of the Island of Put-in-Bay, 

 Lake Erie. [American Geologist, March, 1905.] 



Occurrence and Distribution of Celestite-Bearing Rocks. [American 



Journal of Science, Vol. XIX, April, 1905.] 

 -Lambe, L. M. On the Tooth-Structure of Mesohippus Westoni (Cope). 



[American Geologist, April, 1905.] 

 -Lengsfleld, J. I. Explanation of Cause of Weight. [April, 1905.] 

 -Lick Observatory Bulletin, No. 74. [University of California Publications,, 



Astronomy.] 

 -Lick Observatory Bulletin, No. 75. [Ibid.] 



-Macoun, M. A. Catalogue of Canadian Birds, Part III. [Ottawa, 1904. J 

 -Mann, James R. Regulation of Freight Rates. [Speech in the House of 



Representatives, February 25, 1905.] 

 -Mann, James R. The Panama Canal. [Speech in the House of Repre- 

 sentatives, February 10, 1905.] 

 -Marsters, V. F. Preliminary Report of the Serpentine Belt of Lamoille and 



Orange Counties, Vermont. [1904.] 

 -Merrill, George P. On the Origin of Veins in Asbestiform Serpentine. 



[Bulletin of the Geological Society of America, Vol. XVI, pp. 131-36, Pis. 



33-34, March, 1905.] 

 -National Academy of Sciences, Report of the, for the Year 1904. [Washington, 



i9°5-] 

 -Newcomb, H. T. The Work of the Interstate Commerce Commission. 



[Washington, 1905.] 

 -Ottawa Naturalist, The. [Vol. XIX, No. 2, May, 1905.] 



