prary, u. o. iNai. iviuseum. 



VOL. I JANUAEY, 1921 



Established by BENJAMIN SILLIMAN in 1818. 



?.v^ 



I 

 I 



THE ^AN4 WS 



AMKRICA'ir^ 



JOURNAL OF SCIENCE. 



Editor: EDWARD S. DAKA/ 



ASSOCIATE EDITORS 



Professors WILLIAM M. DAVIS and REGINALD A. DALY, 



OF Cambridge^ 



Professors HORACE L. WELLS, CHARLES SCHUCHERT^ 



HERBERT E. GREGORY, WESLEY R. COE and 



FREDERICK E. BEACH, of New Haven, 



Professor EDWARD W. BERRY, op Baltimore, 

 Drs. FREDERICK L. RANSOME and WILLIAM BOAVIE, 



of Washington. 



FIFTH SERIES 



VOL. I— [WHOLE NUMBER, CCI]. 

 No. 1— JANUARY, 1921. 



NEW HAVEN, CONNECTICUT. 



1921. 



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