328 Serentific Intelligence. 
no. 2, and others that are like no. 3, and have some affinity in 
interior structure to Ormoceras tenuifilum of Hall, and O. crebri- 
septum of Hall. 
The ore. of the papers referred to, by C. Dr Srerant, reviews 
the facts as to the Equivalency of the Sormaiions o * the Apuan 
rn) 
Alps about af ta Serchio, Fiume di Gragnana, pugs i 
icine with the name of the author who determined the true 
equivalen 
The Patnozorc beds in nelude mica schist, damourite. schist, 
cecandagia, and 
ties ; also, at top (c),. arenaceous beds, slates gray and other lime- 
stones, with traces of fossils, and among them Enerinus lilit- 
formis, species of Cidaris, Pentacrin NUS, 9 Po IR ete. 
ext follow the subdivisions of the Lias, the Tithonian or 
eas and Wealden, the Neocomian and Gault of the Creta- 
ries and the ertiary. 
Bulletin of the U. BS. eonngtat and Geographical Survey 
of he Territories, F. V. Haypen U.S. Geologist-in-Charge. Vol. 
VI, No. 1.—The first tr oi in this number of t e Bulletin is on 
the a. of the Rocky Mountain Region, by Asa Gray 
and JoserH D. Hoo oKER. Then follow—by E. D. Core, on New 
: in 
Central Oregon,” Fila those of Florissant ; they are Up 
