490 Scientific Intelligence. 



No. 149. Part III. The Production of Elliptic Interferences 

 in Relation to Interferometry ; by Carl Barus. Pp. vi, 169-173 ; 

 54 figs. 



No. 165. List of Prime Numbers from 1 to 10,006,721 ; by 

 Derrick Norman Lehmer. Pp. 133, folio. 



No. 183. Vol. VI. Papers from the Tortugas Laboratory of 

 the Carnegie Institution of Washington. Pp. 323. Contains 

 twelve papers by the Director, A. G. Mayer, and others, with 

 numerous plates and text figures. 



No. 185. Part I. Index to United States Documents relating 

 to Foreign Affairs 1828-1861. In three Parts. Part I, A to H ; 

 by Adelaide R. Hasse. Pp. 793. 



No. 193. The Salton Sea : A Study of the Geography, the 

 Geology, the Floristics, and the Ecology of a Desert Basin ; by 

 D. T. MacDougal and Collaborators. Pp. xi, 182; 32 pis., 4 

 figs., 4to. 



No. 197. North American Anura. Life-Histories of the 

 Anura of Ithaca, New York ; by Albert H. Wright. Pp. vii, 

 98 ; 31 pis. 



No. 198. The Osmotic Pressure of Aqueous Solutions. Report 

 on Investigations made in the Chemical Laboratory of the Johns 

 Hopkins University during the years 1889-1913 ; by H. N. 

 Morse. Pp. v, 222 ; 5 pis., 49 figs. 



No. 199. A Montane Rain-Forest : A Contribution to the 

 Physiological Plant Geography of Jamaica ; by Forrest Shreve. 

 Pp. 110 ; 29 pis., 18 figs. 



No. 201. The Gaseous Metabolism of Infants, with special 

 reference to its relation to Pulse-rate and Muscular Activity ; by 

 Francis G. Benedict and Fritz B. Talbot. Pp. 168 ; 65 figs. 



Obituary. 



t 



Dr. W. H. Gaskell, University professor of physiology at 

 Cambridge, England, died on September 7 at the age of sixty- 

 seven years. 



Dr. H. J Johnston-Lavis, professor of vulcanology in the Uni- 

 versity of Naples, was killed in a motor accident at Bourges early 

 in September. 



Dr. R. J. Anderson, professor of natural history in the Uni- 

 versity College, Galway, Ireland, died during the past summer. 



Dr. William Lofland Dudley, professor of chemistry in 

 Vanderbilt University, Nashville, Tenn., died on September 8, at 

 the age of fifty-five years. 



