622 PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
“The Geology of Vermont.” By C.H. Hitchcock. A large geolog- 
ical map of this State was shown, illustrating the great advance of our 
knowledge of its rocky structure since the gemas -o the author’s 
map in the tele Report upon the Geology of Ver 1861.. Th 
additions our knowledge were largely afforde i "es "e extension 
southerly a the recent discoveries of the Canadian survey. 
“ Explanation of a Pte ata Map of Maine.” By C. H. Hitchcock. 
The author exhibited a large geological map of Maine, prepared from 
the materials garnered during two years work in the service of the 
State in 1861, 
Bos SOCIETY OF NATURAL History. October 2, 1867.—The 
ipie exhibited a series of Flint nee from the Island of 
Regan, and from Norway and Sweden, consisting of arrow and spear 
héads, square cut chisels, ete. One was a hatchet with a circular hole 
for the insertion of the handle, the interior of which was smooth and 
the diameter uniform. Mr. Rau, the Danish Consul at New York, had 
shown how these holes might be drilled, by boring half through a 
paving stone with a rotating broomstick and sand. A few implements 
TY 
Dr. Wyman further gave an account of a recent visit of a party of 
members of the society to shell-heaps upon Goose Island, in Casco 
Bay. The objects exhumed were mostly similar to those found at 
Mount Desert, and described by Dr. Wyman at a previous meeting. 
Among the most interesting were bones, apparently of the Great Auk, 
a bird now extinct on our coast. 
Mr. Edward S. Morse called attention to the evidences of great 
tiquity in hart shell-heaps upon Goose Island. The deposits pikire” 
of broken clam-shells, with other species in ntermixed. 
Over five kdai square feet of surface had been examined, and the 
ab ; 
sence 
ar The heaps, which thickened towards the centre, COY- 
areas of from ten to fifteen feet in empi re showed an out- 
ig on the bank of from two or three to fourteen or fifteen inches in 
ae Since in many cases heaps of this afidi had been almost 
! the surface of a rock smoothed and scratched by g poe 
Gece time bad Hh gs to erase meee | all — marks fr 
ee 
poet on 
ruse ve 
