CONTENTS 



Page. 



On the Art of Entering Another's Body : A Hindu Fiction 



Motif. By Maurice Bloomfield i 



Naming American Hybrid Oaks. By William Trelease .... 44 

 Interrelations of the Fossil Fuels. H. By John J. Stevenson. 53 

 The Names Troyan and Boyan in Old Russian. By J. Dyneley 



Prince 15^ 



Symposium on Aeronautics. 



I. Dynamical Aspects. By Arthur Gordon Webster 161 



n. Physical Aspects. By George O. Squier 168 



HI. Mechanical Aspects. By W. F. Durand 170 



IV. Aerology. By William R. Blair 189 



V. Theory of an Aeroplane Encountering Gusts, 



By Edwin Bidwell Wilson 212 



VI. Engineering Aspects. By Jerome C. Hunsaker. . 249 

 VII. Remarks on the Compass in Aeronautics. By Louis 



A. Bauer 255 



Spectral Structure of the Phosphorescence of Certain Sulphides. 



By Edward L. Nichols 258 



A New Babylonian Account of the Creation of Man. By George 



A. Barton 275 



The South American Indian in his Relation to Geographic En- 

 vironment. By William Curtis Farabee 281 



Growth and Imbibition. By D. T. MacDougal and H. A. 



Spoehr 289 



Spontaneous Generation of Heat in Recently Hardened Steel. 



By Charles F. Brush 353 



The Effects of Race Intermingling. By Charles B. Daven- 

 port 364 



Mediaeval Sermon-books and Stories and Their Study Since 



1883. By T. F. Crane 3^9 



Nebulae. By V. M. Slipher, Ph.D 403 



iii 



