Geology and Mineralogy. 69 
report on analyses of Coals, etc., by N. W. Lord; and another 
on the Glacial boundary in Ohio, by Prof. G. F. Wright. The 
8. Contributions to the Tertiary Geology and Paleontology 
of the United States ; by Ancaeto Hutrrin, Prof. of Invert 
Paleont. at, and Curator in charge of, the Acad. Nat. Sci., Philad. 
coast ro 
the collected papers of Mr. Heilprin on the United States Ter- 
ary, published by the Philadelphia Academy of Sciences, 
e be . . . 
ap Comparisons and all necessary identifications with the 
described species of the foreign Tertiary. Mr. Heilprin has been 
Working in these directions, and has brought out a volume of 
tobe done. His classification of the American marine Tertiary 
has already been given in this Journal, vol. xxiv, p. 228, 1882. _ 
9. Report PPP of the Geological Survey of Pennsylvania 
on Devonian Ceratiocaride, by C. E. Buxcuer, with 2 plates, 
and on Carboniferous Eurypteride, by James Hatt, with 6 
Plates.—Mr, eecher describes new species of the genera Hehino- 
cares, Hiymocaris and Tropidocaris, the two latter genera being 
0 new. The number of species of the group reached its max- 
mum, according to the investigations thus far made, in the 
emung period. Prof. Hall describes the new species Huryp- 
terus Beecheri and E. stylus. 
10. On the Structure and Affinities of the Receptaculide ; by 
Dr. G. J. Hinpe. (Jour. Geol, Soc., 1884, 795.)—Dr. Hinde dis- 
™ the Lower and Upper Silurian, sparingly in the Devonian, by 
mer, from Silesia beds), and not in later rocks, —__ : 
: - Paleozoic Corals, Spitzenbergen fossils.—G. Lindstrom has 
Pa Index to generic names applied to the corals of the Paleozoic 
ermations” in the Handlingar of the Swedish Royal Academy, 
Vol. viii, No. 8, 1883, { 
© Same volume contains a paper, by B. Lunperen on the 
qurassic and Triassic fossils of i pikabereih. collected by the 
Sdieh: Expedition of 1882; and also another, by Ts. Fucus, on 
