Miscellaneous Intelligence. 579 



2. Volcanic vortex rings and the direct conversion of lava 

 into ash / by Frank A. Pkeret. — In the article upon the above 

 subject in the November number, figure 3 on p. 408 has unfortu- 

 nately been printed upside down. 



III. Miscellaneous Scientific Intelligence. 



1. National Academy of Sciences. — The regular autumn 

 meeting of the National Academy was held in New Haven on 

 November 12, 13. President Remsen occupied the chair and 

 upwards of forty-five members were in attendance ; the sessions 

 were held in the new Sloane Physical Laboratory. The following 

 is a list of the papers presented : 



Charles D. Walcott : Cambrian formations of Mount Eobson District, 

 British Columbia. 



William M. Davis : Physiographic evidence in favor of the subsidence 

 theory of coral reefs. 



William B. Scott : Bestorations of Tertiary mammals. 



Henry F. Osborn : Geologic correlation of upper Palaeolithic Faunas of 

 Europe and America. 



John M. Clarke : The Devonian faunas of Western Argentina. Probable 

 Devonian glacial bowlder beds in Argentina. 



Charles Schuchert : Climates of geologic time. 



William M. Davis : The transcontinental excursion of the American 

 Geographical Society. 



Arnold Hague : Biographical memoir of Samuel Franklin Emmons. 



Jacques Loeb : On the fertilization of the egg of invertebrates with 

 blood. 



Edwin G. Conklin : Cell division and differentiation. 



Charles B. Davenport : Heredity of skin color in negro-white crosses. 



Lafayette B. Mendel : Some bio-chemical features of growth. 



Thomas B. Osborne : The nutritive value of the proteins of maize. 



Eoss G. Harrison : Experiments of regeneration and transplantation of 

 limbs in the Amphibia. 



S. J. Meltzer : Theory and fact as illustrated by an instructive experi- 

 ment on the splanchnic nerve. 



Franz Boas : New data on the influence of heredity and environment 

 upon the bodily form of man. 



Ernest W. Brown : The problem of the asteroids. 



Robert W. Wood : Some results obtained with the most powerful specto- 

 graph in the world. On the possibility of photographing molecules. On a 

 new method of finding regularities in band spectra. 



Charles C. Adams : The variations and ecological distribution of the 

 snails of genus Io. 



At the coming spring meeting, to be held at Washington in 

 April, 1913, the semi-centennial of the Academy will be com- 

 memorated. 



Obituary. 



Professor John William Mallet, the eminent chemist of the 

 University of Virginia, died on November 6 at the age of eighty 

 years. He was born in Dublin, Ireland, and received his B.A. 

 degree from Trinity College in 1853. His life was chiefly spent 

 in this country, where he held several important positions ; he 

 was a member of numerous scientific societies, and made many 

 original contributions to general and applied chemistry. 



