768 Proceedings of Scientific Societies. | November, 
_ lines of the heartiest congratulation on the completion of this 
most splendid contribution to science, and to the opening up of 
the resources of your great country. I shall take an early oppor- 
tunity of going quietly over the maps and of speaking publicly 
about them. The care and elaboration of the original field-work, 
and the beauty of the execution of the plates, combine to make 
this atlas a national work of which any government might justly 
be pro 
We sincerely hope that Congress will certainly not decrease 
next year the amount of the annual grant for a survey, which, 
without disparagement to any other, has been conducted in such ` 
a broad as well as prudent spirit as to win golden opinions from 
those best qualified to judge of the manner of conducting such a 
survey. 
— Prof. e has purchased the collections of vertebrate 
fossils exhibited by the Argentine Confederation at the Exposition 
of Paris. The collection embraces those of three exhibitors, and 
is one of the most extensive which has ever left Buenos Ayres. 
various forms. The most beautiful of these is that of a Machero- - 
dus similar to the Brazilian species. Prof. Cope retains a series of 
duplicates, some of them entire skeletons, for sale. 
—Norice. Having removed from Salem to Providence, R. 1, 
the editorial office of the American Natura.ist will be at the 
latter address, where all exchanges, articles, letters, and speci- 
mens designed for the editors may be sent. AS PACKARD, JR. 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
San Francisco MicroscopicaL Society.—The regular meeting 
was held July 11th. Of the business routine the most interesting 
was the announcement of several donations and purchases 
for the library and cabinet. Rev. Mr. Bleasdale generously com- 
occidens, Anomia ephippium and Terebratula ampulla. 
The California State Geological Society presented specimens of 
diatomite,” from Santa Barbara, a flinty mineral supposed to 
ve been ‘deposited from eae rae waters passing out 
t 
