VOL. I. 



#w 



FEBRUARY, 1896. 



* 



Established by BENJAMIN SILLIMAN in 1818, 



THE 



AMERICAN 



JOURNAL OP SCIENCE 



Editor: EDWARD S. DANA. 



ASSOCIATE EDITORS 



Professors GEO. L. GOODALE, JOHN TROWBRIDGE, 

 H. P. BOWDITCH and W. G. FARLOW, op Cambridge, 



Professors H. A. NEWTON, O. C. MARSH, A. E. VERRILL 

 and H. S. WILLIAMS, of New Haven, 



Professor GEORGE F. BARKER, of Philadelphia, 

 Professor H. A. ROWLAND, of Baltimore, 

 Me. J. S. DILLER, of Washington. 



FOURTH SERIES. 



YOL. I— [WHOLE NUMBER, CLL] 

 No. 2.— FEBRUARY, 1896. 



NEW HAYEN, CONNECTICUT. 



1896. 



TTJTTLE, MOREHOUSE & TAYLOR, PRINTERS, 125 TEMPLE STREET 



Published monthly. Six dollars per year (postage prepaid). $6.40 to foreign sub- 

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