Chas. D. Walcott, 
U. S. Geol. Survey. 
Te 
_ Established by BENJAMIN SILLIMAN in 1818. ae 
THE ‘ 
AMERICAN 
Eprror: EDWARD S. DANA. 
3 hee erie ASSOCIATE EDITORS - ie 
Pe tenons GEO. L. GOODALE, JOHN TROWBRIDGE, me 
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THIRD SERIES. ; 
VOL. L—[WHOLE NUMBER, CL.] ee oe: 
No. 297.—SEPTEMBER, 1895. ee 
WITH PLATE IV. ee | ) ; 
NEW HAVEN, CONNECTICUT. 
1895. 
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