M a^^ 



PROCEEDINGS 



OF THE 



AMERICAN PHILOSOPHICAL SOCIETY 



HELD AT PHILADELPHIA 

 FOR PROMOTING USEFUL KNOWLEDGE 



Vol. XLVI. October-December, 1907. No. 187. 



CONTENTS. 



Taxonomic Charts of the Monocotyledons and the Dicotyledons. 



By John W. Harshberger 313 



The A rran'da Language, Central Australia. By R. H. Mathews 322 



Stated Meeting, October 4 1(40 



New Results in Electrolysis. By Lily G. Kollock and Edgar F. 



Smith 341 



Language of the Birdhawal Tribe, in Gippsland, Victoria. By R. 



H. Mathews 346 



Stated Meeting, October 18 359 



Stated Meeting, November i 359 



Stated Meeting, November Zjr 359 



Stated Meeting, Deceinber 6 360 



Stated Meeting, December 20 360 



Languages of Some Tribes of Western Australia. By R. H. 



Mathews , 361 



The New Theory of Earthquakes and Mountain Formation, as Illus- 

 trated by Processes now at Work in the Depths of the Sea. By 



T. J. J. See 369 



Some of the Results of Astronomical Photography pertaining spe- 

 cially to the work with a Portrait Lens. By E. E. Barnard, . 417 

 Index ^ ;^ 431 



List of Members 



-" PHILADELPHIA 

 THE AMERICAN PHILOSOPHICAL SOCIETY 



104 South Fifth Street 

 1907 



