Miscellaneous Intelligence. 507 



Contributions from the United States National Herbarium, 

 Vol. x, Pt. 5. Report on the Diatoms of the Albatross Voyages 

 in the Pacific Ocean, 1888-1894; by Albert Mann. [Assisted 

 in the bibliography and citations by P. L. Picker.] Pp. v, 

 221-419, with plates xliv-liv. 



Smithsonian Miscellaneous Collections ; Quarterly Issue, Vol. 

 iv, Pts. 1, 2. Among the papers here published may be men- 

 tioned one by Merrill and Tassin (pp. 203-214) describing the 

 remarkable shale balls found among the Canyon Diablo meteor- 

 ites ; also (from vol. iii) a catalogue of earthquakes on the Pacific 

 coast, 1897-1906, by A. G. McAdie. 



2. Natioyial Academy of Sciences. — The autumn meeting of 

 the National Academy was held in New York City on Nov. 

 19-20, President Remsen presiding. About forty members 

 were in attendance. The following is a list of papers presented : 



M. I. Ptjpin : A new application of dynamics to electrical circuits. 



Leighton B. Morse : The selective reflection characteristic of carbonates ; 

 wave length of displacement a function of the atomic weight of the base. 

 Oxygen the active atom in the characteristic reflection of carbonates, nitrates, 

 sulphates and silicates. 



A. P. Wills : A modification of the Bjerkness hydrodynamics analogy. 



A. G. Webster : On Eayleigh's disc as an absolute measure of sound. 



Geo. E. Stebbins : On the minimum audible sound. 



J. F. Kemp : Buried river channels of the Hudson Valley. 



W. M. Davis : Glacial erosion' in Wales. 



Chas. D. Walcott : Summary of studies of Cambrian brachiopods. 



Chas. S. Minot : On certain changes of nuclei in relation to age. 



J. McK. Cattell : Eesearches from the Psychological Laboratory of 

 Columbia University. 



H. F. Osborn : Alditions to the Collections of Extinct Vertebrates in the 

 American Museum of Natural History. 



W. K. Brooks : A biographical memoir of Alpheus Hyatt. 



Keston Stevenson and J. Livingston Morgan : Drop weight and the law 

 of Tate; the' determination of the molecular weight in the liquid state by 

 the aid of drop weights. 



E. C Pickering : The relation of the spectra, magnitudes, and colors of 

 stars. 



Simon Newcomb : Tables of Minor Planets discovered by James C. Watson, 

 prepared by A. 0. Leuschner under the direction of the Watson Trustees of 

 the National Academy of Sciences. 



It was announced that General Cyrus B. Comstock had given 

 to the National Academy of Sciences $10,000 as a fund, the in- 

 come to be used for the advancement of knowledge in magnetism, 

 engineering and radiant energy. 



3. American Association for the Advancement of Science. — 

 The fifty -eighth meeting of the American Association will be held 

 at Chicago, in the buildings of Chicago University, from Decem- 

 ber 30, 1907, to January^, 1908, with Professor E. L. Nichols 

 as the president. The meetings of the usual affiliated societies 

 will also take place at the same time. A preliminary announce- 

 ment relating to this, the sixth of the Convocation week meet- 

 ings, has recently been issued by the Permanent Secretary, Mr. 

 L. O. Howard of the Smithsonian Institution, Washington. 



