582 Proceedings of Scientific Societies. [June, 1886. 
exhibited some new and simple forms of apparatus in use in the 
biological laboratory of the Massachusetts Institute of Tech- 
nology. 
' April 7—Dr. R. R. Andrews read a paper on the development 
of the teeth (illustrated by the stereopticon); Dr. S. Kneeland 
showed some metallic tubes from a girdle found on an Indian 
skeleton at Fall river—the so-called “Skeleton in Armor ;” and 
M H. Scudder spoke of the mode of life of an ancient beetle. 
April 21.—Mr. Percival Lowell read a paper on the Cm 
; language; and Professor A. Hyatt showed ‘and explained Hat- 
f scheck’s models of the development of a vertebrate (Amphioxus). 
May 5.—The annual meeting was held on this date. Business : 
Annual reports of the curator, secretary, and treasurer, on the 
condition and work of the society ; report of the committee on 
the Walker prize for 1886; election of officers for 1886-7. Com- 
munication: Dr. G. L. Goodale read a paper upon plasmolysis. 
APPALACHIAN Mountain CLuB, March 10, 1886.—Mr. J. Ray- 
-ner Edmands read a paper entitled “ A day on Flume mountain 
anda night in the wilderness;” Mr. S. H. Scudder made some 
remarks on the progress of the State topographical survey ; Mr. 
Rosewell B. Lawrence exhibited a new map of Middlesex Fells, 
intended to show wood-roads and foot-paths. The following Sv 
_ ject was presented for discussion : What should be done by or for 
persons detained (possibly lost or injured) among woods an 
«Mountains ? 
= March 23.—Mr. S. H. Scudder occupied the evening with anac- 
> «count of his three months’ adventures by stage, canoe and ox-cart 
- with an eclipse party in the Winnepeg and Saskatchewan country 
i a quarter of a century ago. 
2 April 14.—A paper by Professor A. S. Pac 
_ the Mexican plateau on a diligence,” was r 
= Freeborn; Professor E. C. Pickering present 
_, plans for a summer school in geodesy and topography. 
= April 20.—A semi-social meeting was held from 7.30 to tO 
- During the evening Rev. John Worcester showed fifty lant 
views of scenery on the Great Range. 
- 
= 
kard, entitled “ Over 
ead 
- 
t Bs Ve 
ed for discussion 
