Miscellaneous Intelligence. 79 
the Signal Service and promising important results may be men- 
tioned the expedition of Pr ofessor Langley to Mount Whitney dur- 
' ing the past season, - study the absorption of the sun’s heat by the 
atmosphere. ‘The Signal Service has also taken up the important 
subject of stasidurd! rine, to which reference has been made in 
this Journal (vol. xxi, p. 414). Finally, General Hazen mentions 
what has been done by the Service in codperation with the Inter- 
national Committee of Polar Research, which has, during the 
past two years, hoo a system of stations in both Arctic <t 
Antarctic region t these stations observations will be co 
ducted hourly a bi-hourly, in meteorology, magnetism afd 
tides, with special observations on gr BYES auroras, earth cur- 
rents, etc. ‘The knowledge thus gained w e invaluable in 
affording data for the solution of man Rodents meteorological 
problems. The shite established by the gue States are i 
Lady Franklin Bay, 81° 40’ N. lat., 64° 30’ W. long., and a 
Point Barrow, Alaska, n° 27’ N. lat., and ine? 15’ W. lon ng. 
2. National Academy of Science, Nov. ., 1881.—The following 
are the titles of papers entered. 
n a Gigantic Salpa rua in the Gulf Stream, A. aie 
The Kchini of the Challenger Expedition, A. Agass 
The Distribution of Corals of the Tortugas, gassiz. 
The anaes the Velellide, and the Surface Fauna of the 
Gulf Stream, A. Agassiz. 
Classification of the Dinosauria, O, C. Marsh. 
Succession in Time of the Allotheria, O. C. Marsh. 
n Complex Inorganic Acids, W. Gibbs. 
On the Theory of the Dynamo- -electric Machine, W. Gibbs. 
Mean annual rain-fall for different countries of the Globe, | E. 
oomis. 
ue On the Phenacodontidx, a new group of Perissodactyla, E. D. 
UPS. 
- 
A comparison between the shells of Kjékkenméddings and 
present shells of the same species, E. 8. Morse. 
n the Objects and Results of the Recent Expedition to Mt. 
Whitney, S. P. Langley. 
On a form of regulator for driving-clock of an Equatorial, C. A. 
oung, 
On the Logic of Number, ©. 8. Pei 
ue veo respecting experiments on ake Velocity of Light, S. 
e 
Notice of a remarkable mineral vein in the Black Range 
(Negretta Mts.) of Socorro County, New Mexico, B. Silliman. 
Facts regarding Sorghum and some conclusions as to its value 
a8 @ source of sugar, P. Collier. 
na new form of Volum mescope, R. E. Ro 
On Mascart’s electrometer and its use as a Metantolouiead instru- 
ment, G. F. Barker 
On Hydrometer Scale s, C. F. Chandler. 
On Chinoline; its Synthesis and “Medical uses, H. Morton. 
