Miscellaneous Intelligence. | 157 
in grayish-black crystalline masses of irregular texture, some- 
times almost homogeneous, and again mixed with a carbonate 
of lime and manganese, and magnetite. Cleavage in two direc- 
tions, making an angle of 131° with each other, and a third, 
indistinct, at right angles. Specific gravity, 4:17. Luster, vitre- 
ous to greasy. Translucent with yellowish color. An analysis 
SiO. FeO MnO Mgo 
3°01 
CaCO; 
29°94 46°88 18°83 1°14=99°80 
it having the ratio of Fe: Mn=2:}. e same mineral has b 
been used by Heddle ; ‘see 3d Append. Syst. Min., p. 99. 
Silfbergite is a honey-yellow mineral resembling actinolite. It 
occurs in bladed crystals and crystalline aggregates showing two 
prismatic cleavages like hornblende, also in nearly compact 
masses, Luster, vi 4 , 5°5, and specific gravity 
3446. Translucent, slightly dichroic. An analysis gave— 
Sid, FeO MnO MgO CaO ign 
(3) 4883 30-49 8:34 8°39 174 0-44 98-23 
Sid, FeO MnO Cad MgO Na,0, K,0 
48-29 24°01 6°47 17°69 2-83 0-22=99°51 
Together with the above minerals three other manganesian 
Species are described, a manganese garnet, & carbonate of lime 
and manganese, and wad.— Geol. For. Forh., vi, 499, 1883. 
. III. Miscennangous Screntriric INTELLIGENCE. 
1. A visit to Ceylon, by Ernst Hacxet. Translated by 
Clara Bell. 338 p aes ston, 1883, (S. E. Cassino & Co.) 
8 
view in his journeyings, His deseriptions—which embrace all 
kinds of subjects that suggest themselves to an observing travel- 
er, and much that only one with an eye quickened by science 
would see—are always excellent and often amusing. he trop 
