510 Miscellaneous Intelligence. 
eA rece Bet: Upon the production of go by cms eo. 
S. 7 ay : The solar constant; The color of the sun; On mountain 
ee 
C. 8. Patio: On the progress of pendulum wo 
Guo. F. BARKER: On electric light menreranric “On incandescent lights; On 
the condenser met thod of measuring high tension currents; On the carbon lamp 
fiber in the thermo balance. 
Epw.’S. Morse: On the utilization of the sun’s rays in heating and ventilating. 
J. W. M LLET: Results just obtained with regard to the molecular weight 
of hydro-fluoric ac 
H. ¥F. PETE ins "A method for finding the proximities of the orbits of minor 
planets. 
s Loomis: Reduction to sea-level of barometric observations made at 
elevated stations 
rs H. Boy : Recent researches in the vicinity of pers 8 relerts caine % 
unt of the land-ice of Kotzebue Sound and the Arctic Coast. II. 
Additions ny out knowle ge of the currents and temperature of ‘ths ocean in the 
ea of Behring’s Strait. 
E. W. Hitearp: me the later Tertiary of the Gulf of Mex 
T. Srerry Hunt: On the auriferous gravels of California; “On the domain of 
B. Atvorp: The compass plant of the Western prairie 
E. D. Cope: On on relation between strains and impacts and the structures of 
ine ‘feet of mamma’ 
ELLY : on “the relation of soils to health. 
ra P. Lustey: Biographical memoir of S. S. Haldeman. 
3. Popular Lectures on Scientific Subjects ; by H. Hetmuoxrz, 
translated by E. Atkinson. Second series. 265 pp. 8vo. New 
York (D. Appleton and Co.).—The subjects of these lectures, for 
the general interest of which the author’s previous publications 
are a sufficient guarantee, are: 1, Gustav Magnus; 2, Origin and 
significance of geometrical atoms ; ; 3, Relation of optics to paint- 
ing; 4, Origin of the pienetary system ; 5, Thought in medicine ; 
6, ‘Academic freedom in German universities. 
e Constants of Nature, Part IV ; Atomic weight deter- 
eee a digest of the investigations published since 1814; 
by Gro orck F. Becker, 149 8vo. Washington, 1880, 
(Smithsonian Miscellaneous Collections). —Mr. Becker has brought 
together in ee compass a large amount of material, which can- 
not fail to be of much practical value to the working chemist. 
The abstracts are necessarily very brief, but when more is needed 
reference can be readily made to the original papers, the abstract 
being at least sufficient to show what may be expgcted in 
18) ations of the Transit of Venus, Dec. 8-9, 1874, made and reduced under 
ee Ainetion of the Commission created by Congress, Edited by Simon New- 
U8. "7 Secretary of the Commission. 157 pp., 4to, with two plates 
Washington, 
;~ The Total eer Eclipse of x 29, 1878. Observations at Pike’s Peak, Colo- 
o. Report by Professor 8. P . Langley. pp. 203-217, with a plate 
Observations on Jupiter, by ra oa hs 290-321, ig the Proceedings 
of the American Academy of Arts and 
Mittheilungen aus der Zoologischen Station a Ne amen ‘augleich ein Repertorium 
fir Mittelmeerku re vol. i ii, I, a Pp. | 23-413. 
orkin me Drawings: How to m and use them; by L. M. gy 55 pp. 
12mo, with 30 igure. Philadelphia, 1881. (J. M. Stoddart & Co -) 
