Miscellaneous Intelligence. 239 
The Physical and Geological Characteristics of the Great Dismal Swamp and 
the Eastern Counties of Virginia; N. B. Wr 
rigin of the Cascades of the Columbia River, Oregon; W. P. BLAKE. 
Observations in a visit to the Cave of Cacahuamilpa, in Mexico; P. C. Briss. 
; P. C. Buiss. 
. Cremation among North American Indians ; J. L. LeConte. 
; A Remarkable Ancient Stone Fortification in Clark County, Ind.; E. T. Cox. 
Remains of an Ancient Earth Work in Marblehead, Massachusetts; J. J. H. 
RY. 
6. Chemical Centennial.—The first day of August, 1774, illus- 
trious as the date of Joseph Priestley’s discovery of oxygen, was 
commemorated on the first of August, 1874, by the gathering 
f . . 
e, on 
Susquehanna, at Northumberland, Pennsylvania, and by a like 
gathering of British chemists at Birmingham, England, for the 
calculated to awaken kindred sentiments. Am 
& ing was presided over by Professor Charles F. Chandler of the 
Columbia College School of Mines, who responded .to an 
of welcome from the citizens of Northumberland, delivered by 
Col. David Taggart of that place. ‘ 
The following addresses were also delivered on the occasion, by 
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: absence the assembly, gathered at sunset at the grave of 
on Friday evening, hi u 
of Arrangements ; and another of the same degree of consanguin 
ity, the third generation, was among those whose hospitalities 
added to the pleasures of the occasion. The old Priestley man- 
sion, with its ample apartments, was thrown open to the guests, 
and in one of them was a collection of apparatus and other per- 
: sonal memorials of the eminent man whose name consecrated the 
: day and the place. 
