Mineralogy and Geology. 401 
0. Mineralogical BES, te of G. vie Ratu, of Bonn.— 
In a. dorf’s Annalen, vol. exxxvi, p. 405, vo m Rath has pub- 
van one of his Meakin ‘mineralogical pa pa pets containing the fol- 
g articles: on the crystallization of Vivi the chemical 
fords of Eulytite (alae of bismuth), witb. chee eee on its 
crystallization and other characters; on the crystalline form of 
Atelestite, which he eae Saatere with ¢ yon Gekabia oh: a 
(vert. = 0°869:1:1°822; and @ on ¢=110° 30’; on the La 
im the Baty 6 of Setanenary he found Si 16°52, bp 82:23, B, Bo Ll 
99°90; again, Si 15-93, Bi 80-61, B 0-28, Be 0-52=97-34; whence the for- 
: mula Bi2S is places the species among the Unis cates, 
Zine and Calcium, corresponding to the formula Zn“Ca= 
95°13, Calcium 4°87=100. He found 95°11 and 4°90. Its crystals 
are small square octahedrons, having the angle of the terminal 
te 134$°, and of the basal 66° 18’, “whence the vertical axis— 
i. Rate Comitato Geologico @ Italia. ete Italian Govern 
_ Ment has appointed a Geological corps, for the publication hs a 
large geological chart of Italy, » with ih deseription of 1 of 3 i 
yw udes Prof, J. Cocchi, 
ic 
“Aspirant” The Ist and 2d numbers of the Bulletin ees 
___ Were issued in January and February of the present year; an 
| the Ist volume of the Memo 
aoe tem rane Goh Oa 5-6, roe Fl0'8, H35=100-2, 
It has -G.=3°15, and H.=2°5. The — or rock material contain- 
mica was found to consist 0 
Sides, Ri 1, Sage a 14-0, S tos £1-1=100, H=45, G=2°789. 
Am. Jour. Sct.—Sconp Serres, Vou. XLIX, No. 147.—Mar, 1870. 
