664 Proceedings of Scientific Societies. [| October, 
and on First results from a new diffraction ruling engine, by Prof. 
Wm. A. Rogers; on Crystallization of Canada Balsam, by Prof. 
Geo. F. Barker; on the Occurrence of microscopic crystals in the 
vertebra of the toad, by Prof. H. Carrington Bolton. Prof. S. A. 
Lattimore was elected chairman, an Rev. A: ervey, secre- 
tary of the sub-section of microscopy for the next ‘meeting, which 
is to be held in Boston, commencing on the last Wednesday i in 
August next, and which can hardly fail to be a large and enthu- 
siastic assemblage. 
10: 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE, 
Twenty-eighth meeting, Saratoga, Aug. 27 to Sept. 2, 1879.— 
Owing to the favorable place of meeting, the gathering of mem- 
bers was larger than for several years, nearly 260 members being 
present, and 154 papers, some of unusual interest, having been 
P 
read an address as retiring president, on the History and Met 
of Palæontology. Prof. George F. Barker, as president, cates 
brief introductory speech at the opening of the session. The 
following papers on biology, geology and anthropology were 
resente d: 
e succession of glacial Gepost in New England........ Warren Upham 
On as ois ng ou Fen absenc ola Upper $ sharia and De- 
n formations in Tenn On a remarkable crin- 
oidal ea recently Seed in Tennessee, with exhi- Bea 
biton OF BDECHNERE:. -sejrin edie so a,4 tap te viens J. M. Safford 
Recently discovered cupraous veins at Blue Hill, Me. The 
ce ountain anticlin hs Cre ee aaa Ge ce C. H. Hitchcock 
Conso ae expression of emotion..... Casha Ji Blake 
On ki feniliaation of Yucca. sesh of sex and of odor in 
flow Thomas Meehan 
Philosophy of the hoya of a aan „particularly o of 
mphalid The the Uni 
a ex papei of its nk, pey roudan ints in a i 
alate dand t Wes TE Ea a C. V. Riley 
On the conditions to be fulfilled zi a theory of life. On the 
histology of insects. On the anatomy of Plathelminthes.. Chas. Te a Minot 
ography of Kailon oode 
Tana illustration of the use of some new or little known 
tomical an sbyatological instruments and apparatus. 
Note n the anatomy of the Te in On a cats = 
brain with the corpus callosum absent...4,....--+++ B. G. Wilder 
On the occurrence of microscopic faih in the vertebra of 
ir toad (Bufo americanus), [With a note by A. 
n Caransa Bolton. 
eee eee eee 
The ata influences of physical geography........++++ l.. Wilson 
The development f the neuration in the Pie at ‘fheects, as j 
illustrated in the history of cockroaches. ........-+++. S. H. Scudder 
On graphite from the pp one (ere. RW aess W. L. Dudley 
On the e geolo gy of -Bermuda Wm. North Rice 
Sexual differentiation in Den repens.. Homologies in the 
E aa Ber the movement s the stamens of 
>. Sabbatia zlari: 
o Oo the Tri rassic rocks of New jersey 
Lester F. Wer! 
Geo. H. C o: 
