Geology and Natural History. 493 
letter states the probability that these phosphatic beds are con- 
tinued beneath the Rotten limestone across the State of Alabama, 
through Eutaw and other places to Farmington in Mississippi. 
Green sands from Eutaw have been found on analysis to contain — 
8 per cent of phosphoric acid. 
om 
ulexite. Colemanite was found in Southern California, and 
named after Wm. T. Coleman of San Francisco; descri ed 
J.T. Evans in the Bulletin of the California Academy of Sciences, 
Feb., 1884. : 
Brigeerrre —This name (after the Norwegian mineralogist, — 
W. C. Brégger) has been given t W. Blomstrand to a ura-_ 
nium mineral near cleveite, both of which are allied to uraninite, 
The specimen examined is from the neighborhood of Moss, Nor- 
way; it formed part of an octahedral crystal having an iron-black 
color, with hardness 5 to 6, and specifie gravity 8°73. An analysis 
afforded 
Cerium, Yttrium 
UO,’ UO, PbO ThO, earths, earths FeQ (a0 SiO, HO ice 
38°82 41:26 841 5°64 35 242 1:26 0:30 0°81 0°83 = 11012 
