IV 



CONTENTS. 



On Mean Relative and Absolute Parallaxes. By Keivin Burns 496 

 The Nature and Origin of the Fishes of the Pacific Slope of 



Ecuador, Peru and Chili. By Carl H. Eigenmann 503 



Measurement of Star Diameters by the Interferometer Method. 



By F. G. Pease 524 



The Peopling of Asia. By Ales Hrdlicka 535 



An Electro-Chemical Theory of Normal and Certain Pathological 



Processes. By G. W. Crile, M.D 546 



The Coudersport Ice Mine. By Edwin Swift Balch 553 



Obituary Notices of Members Deceased : 



Joseph George Rosengarten Hi 



Morris Jastrow, Jr x 



Minutes - iii 



Index XXV 



