838 Proceedings of Scientific Societies. [September, 
SECTION H—ANTHROPOLOGY. 
Ancient art in Chiriqui. John A, McNeil. 
Torsion of the humerus in North American Indians. Frank Baker. 
Additional observations on ancient methods of arrow release. Edw. S. Morse. 
Child mind, Geo, M. Maxwell. 
In the afternoon the Entomological Club made an excursion 
to Ebenezer in company with the home clu 
After the adjournment of the sections Mrs. Bronson C. Rum- 
sey received the members of the association a a lawn party, at 
her residence on Delaware avenue, from 4 to 
In the evening Mr. Edward Atkinson, of Boston, delivered a 
lecture in Liedertafel hall, at 8 o’clock, on “ The Relative Weak- 
ness and Strength of Nations.” 
Monday, August 23d. 
SECTION E—GEOLOGY AND GEOGRAPHY. 
The har pA —_ of the gorges cut through the trap ridge by the Conn. river, B. 
Fen hae ie Pecdale, J. D. 
Palzontological observations on pen Teavinke limestones of Canaan, Columbia 
county, N. Y. 
The criticisms of the anticlinal theory of natural gas. I. C. White. 
A periodic tidal wave as a geologic agent. J. C. Branner. a 
a of a new crustacean from the Clinton group of Georgia. A. W. 
ogdes. 
The Strophomenidæ, a palæontological study of the imitation of genera and species. 
H. S. Williams. 
On certain limestones of Columbia county, N. Y. I. C. Bishop 
Some questions relating to the subcarboniferous conglomerates. J. C. Bra ee 
A trilobite track illustrating the mode of progression of the trilobite. e 
gueberg. 
Hints towards a theory of vulcanism. T. B. Comstock. 
Drift of the Rocky mountains. T. B. Comstock. 
The Holyoke range on the Connecticut. B. K. Emerson. 
SecTION F—BIoLocy. 
Memoranda of a revision of the North — violets. As 
A revision of the North American species of the genus Fissidens. C. R. pegs 
On the variability of pathogenic organisms, as illustrated by the bacterium g 
plague. Theobald Smith. 
A pa of ‘hed in regard to the theory of immunity from contagious dis 
DE 
: The teh: es swine plague. D. E. Salmon and Theobald Smith. 
o Ons — contagious di iseases of insects. S. A. Forbes. 
| 1 oseph Jastrow. 
Orientation of small objects for — J. S. Kingsley. 
_ Embryology of Crangon. LS Ki 
Kingsle 
_ The dreams of the blind and the centers oe sight. Joseph 
ene Jastri and matt 
> Tou Te U.s: Department of Agriculture in economic aeS 
malc C. Hart Merriam. 
E c 
of our Nor American bats migrate? Evidence in the affirmative. © 
