GENERAL INDEX TO A^OLUME XXA^I 



Names of Authors and other Persons in Heavy-face Type 

 Titles of Papers in small caps 



Active Members, Election of, 245, 251, 

 267, 282, 290, 301 



Active Members, List of, 319 



Age of the Mokrison Formation, 150 



Aiken, Bobert T., Porto Rican Burial 

 Caves [Abstract], 250 



Akeley, Carl E., Fellow, 305 



Allen, J. A,, An Extinct Octodont 

 FROM, THE Island of Porto Rico, 

 West Indies, 17 



Anatomy of a Fcetal Balanoptera 

 dorealis, On the, H. von W. 

 Schulte [Abstract], 247 



Andrews, Roy C, The Sei Whale {Ba- 

 Icenoptera horealis) . Its His- 

 tory, Habits, External Anat- 

 omy, Osteology, and Relation- 

 ship [Title], 246 



Annual Meeting, Minutes of the, 

 Henry E, Crampton, 305 



Anthony, H. E., Preliminary Report of 

 Fossil Mammals from Porto 

 Rico (with descriptions of a 



NEW GENUS of GROUND SLOTH AND 

 TWO NEW GENERA OF HlSTRICO-_ 



MOEPH RODENTS), 193; Abstract, 



277 

 Fellow, 305 

 Application of Physiographic 



Methods to the Correlation of 



Non-marine Formations in the 



Rocky Mountains, Willis T. Lee 



[Abstract], 266 

 Archeological Work in Porto Rico, 



H. K. Haeberlin [Abstract], 250 

 Architecture of Two Cetacean 



Skulls, Xiphius and Kogia, J. D. 



Keman and H. von W. Schulte 



[Abstract], 294 



Are There Atoms of Light?— The 

 Quantum Theory, George B, 

 Pegram [Abstract] , 268 



Armstrong, E. H., Operating Features 

 of the Audion, 215 



Associate Members, Election of, 251, 261 



Associate Members, List of, 327 



Association and Classification, G. C. 

 Myers [Abstract], 258 



Atkinson, James P., Food Poisons [Ab- 

 stract], 262 



Atmospheric Disturbance, Effects of, on 

 Receiving Systems, 238 



Audio Frequency, 228 



Bacteriology of Air, The, W. W. 

 Browne [Abstract], 264 



Baleanoptera 'borealis, On the Anat- 

 omy OF A Fcetal, H. von W. 

 Schulte [Abstract], 247 

 Remarks on the Ear of, J. D. 

 Keman, Jr. [Abstract], 249 



Bagg, Halsey J., The Genetics of Cer- 

 tain Types of Animal Behavior 

 [Abstract], 304 



Barbour, T., Some Remarks upon Mat- 

 thew's Climate and Evolution, 1 



Barnhart, — , Councilor, Election as, 306 



BaskerviUe, Charles, Colloids in Their 

 Relation to Animal and Vege- 

 table Oils [Abstract], 285 



Beehe, C. W., Zoological Studies of 

 British Guiana [Title], 306 



Bell, J. C, A Comparison of the Binet- 

 SiMON Tests of Intelligence 

 AND THE Squire Graded Tests 

 [Abtract], 300 



Berkey, Charles P., Geological History 

 OF. Porto Rico [Title], 306 

 (329) 



