274 Scientific Intelligence. 
must in some way have an important influence on the phenomena of our 
own atmosphere. The facts now given convert this suspicion into a cer- 
tainty ; and it is pe u that meteorology can 
never take rank as a true science while our knowledge of the sun remains 
in its present imperfec Moreover, there is little doubt that many 
questions of high physical interest depend for their solution upon our 
taining a more intimate a aero than we yet LO with the opera- 
tions which are going on in the great centre of ou em. It is there- 
fore much to be desired that some of the many wri te mire which are 
eats here 
Tt may be aa that the values of the variable-temperature period, 
given in this paper, were derived from observations made at St. Peters- 
burg, Wardoe, Gorki, Barnaoul, Irkoutzk, Nertchinsk, Yakoutsk, Pekin, 
Madras, Novo-Petro whe Lougan ane anne va, Milan, Brussels, Green- 
wich ; ego st in Greenland Si tka, on the northwest coast of 
Am he comparison of the variable-temperature period 
with the wolaeapot per iod ‘ettents over the twenty-seven years, 1833-59, 
and therefore includes three maxima and three minima of solar-spot fre- 
queney.—Proceedings Manchester Lit.and Phil. Soc., March 8, 1864. 
"9 
4 
Il. MINERALOGY AND GEOLOGY. 
ome a flesh-red eh radiated structure, and but a feeble lustre. H=5- 
=2°22. In the closed tube gave water, and B.B. fused to a white 
cpaln glass. Dee ecomposed by acids, Composition: 
Fe Ca K 
47°73 26°04 0°53 229 13°37 0°40 10°24 == 100°53 
showing the mineral to be natrolite in which a small portion of the soda 
is replaced by lime. 
(2.) Schefferite: a supposed new variety of Pirate oc- 
eurs at Langbanshytta. Color, reddish-brown. H.= 5 G.= 3°39, 
B.B. fuses slowly to a black glass. With borax and salt of phosphorus 
gives an praia ne bead in the outer flame, becoming cole in the 
i Ca Mg Mn Fe Fe Ign. 
52°31 86-1909 10°86 = 10°46 «1°63 S897 = 0°80 = 98-92 
— 2719 H43.. 434. 286.087 . 1:19 
13° 67 
The a el li to bases is 2:1, and the author places the 
Jeffersonite, Teis ee 
; Mineral near associated with rhodonite, and bh 
