324 Scientific Intelligence. 
2. On the Age of the Brazilian Gneiss Series. Discovery of 
Eozoon ; by Orvitte A, Dersy, M.S., Rio de Janeiro.—The late 
Professor Hartt has shown in his work entitled “ the Geology and 
in Minas Geraes, is also a monoclinal ridge, the beds dipping at 4 
(3) fine-grained schistose gneiss, passing to mica schist, with 
ordinate beds of quartzite, and an abundance of mineral veins not 
found in the lower parts of the series. This last, the upper °F 
metalliferous series of Pissis and Liais, prevails in the Mantiquelta 
range, while the lower divisions predominate in the Serra do Mar 
and Parabyba valle 
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