Miscellaneous Intelligence. 329 
Marsa was elected President for the ensuing B. 
ee of Hoboken, New Jersey, Vice-President of Section A; 
. R. Grorr, of Buffalo, Vice-President of Section B; and H. C. 
Boron, Guae Secretary. 
The retiring President, rec W. B. Rogers, was unable to 
be present at the meeting, and hence the occasion failed of a 
Presidential Address, which in this case was looked for with high 
oF ohne’ 
The even ning session of Wednesday was occupied with a lecture, 
by Professor Newcomb, on the recent astronomical discoveries— 
that of the Satellites of Mars by ee tal Hall, and that 
of oxygen in the atmosphere of the by Pr -ofessur Henry 
Draper; remarks, by —- ontop Hall, on the history of = 
ig poe te and the work it had done; a pee by Profe 
. Lawrence Smith, on sitio stones ; and a paper, by Prolene 
. RK. Grote, on an International Scientific Service. 
Professor Marsh, the Vice-President of Section B, occu pie ed 
Thursd —- with a discourse on the “Introduction and Sue- 
reg of Vertebrate Life in America,” which was rich in facts 
is own “ard work sinohe the vertebrate fossils of the 
Marsh’s paper will appear in the following number of this Journal. 
On Monday a very valuable discourse was delivered by Professor 
Daniel — “on the ra — of America.” 
mber of important papers read in the several sections 
was Ae The following “a a list of those read or accepted for 
reading, 
I. Section of Mathematics, Astronomy and Physics. 
On a New Type of Steam Engine, theoretically capable of sag the full Me- 
chanical Equivalent of Heat Energy; and on some points of Theory indicating its 
practicability, R. H. THurston.—On a new method of planning gears an 
of representing to the Eye the a of ergo of three or more Elements 
in all poeeiele proportions, a —The work of the U. S. Board appointed to test 
th: 
irom, other 
€ proper motion or the Trifid Nebula, M. 20, G. C, 4355, etc. E. 8. 
A new Quadruple Objective for Astronomical Telescopes, E. GunpLAcH.—A 
new Periscopic Eye-piece, id. 
