CONTENTS 



Original Papers 



Page 



Anthropology. — Two proto-Algonquian phonetic shifts. Truman Michelson 333 



Radiotelegraphy. — Quantitative experiments with coil antennas in radio- 

 telegraphy. L. W. Austin 335 



Abstracts 



Anthropology 34° 



Electricity 34° 



Metallurgy 34i 



Optics ...:... 341 



Physics 341 



Technology r 342 



Mammalogy 343 



» Proceedings 



Washington Academy of Sciences _. . . . 344 



Philosophical Society . 349 



Biological Society 355 



Entomological Society 357 



SciBNTiPic Notes and NEwa. r 359 



