286 Scientific Intelligence. 
Leptena alternata, Orthis occidentalis, Orthis (Spirifer) Lyra, and also 
Murchisonia bicineta : 
This volume is to be soon followed by another giving the remainder of 
the Report. 
12. New species of Fossil Plants from the Anthracite and Bituminous 
coal-fields of Pennsylvania ; collected and described by Leo Lesquerevx, 
with Introductory observations, by H. D. Rocers, (Jour. Bost. Soc. Nat. 
ist., vi, No. iv, 409)—This memoir contains deseriptions of 106 new 
species of coal-plants from the coal-fields of Pennsylvania. Prof. Rogers, 
in his introductory observations, states that M. Lesquereux: has found that 
out of over 200 species examined by him, 100 are “identical with species 
already recognized in the European coal-fields, and some 50 more of 
them show differences so slight that a fuller comparison with better spect 
mens may result in their identification likewise ;” moreover “ those new 
species which seem to be restricted to this continent are every one of 
is genus. si: Tek 
the Coal- 
Pub- 
fields ; : 
lished by order of the Governor.—Fifty-eight. pages of this pe wg 
ing the general outlines of the coal-fields and of the formation: fe 
borders. The author remarks on the fact, that the coal-fiel by apis 
lacements 
y 
and these ne 
valleys and basins were filled with new deposits of coal, 
the termination of the carboniferous epoch. We regret 
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i 
and so on up @ 
that 
