Geology and Natural History. 235 
is much used for building purposes.— Letter from Mr. FE. Hillyer 
of ae Georgia. 
F us Anomalodonta of S. A, Miller.—The peers te 
Ace Ss the genus Anomalodonta and the use of the 
Prof. C. A, White, published in this Journal, ix, 318 (April, ‘ar8) 
is replied to by ‘Mr. Miller in the J uly number of the Cincinnati 
Quarterly Journal of Science 
8. HKxepansion of rocks a heat.—M. Pfaff (Z. S. Geol. Ges 
xxviv, 401) has determined for the expansion of the ee. of 
the Fichtelgebirge between the ordinary temperature and a 
heat — ,180 C.), 0°0168; for a si porphyry of the Tyrol, 
0°0127; for the basalt of Auvergne, 
9. Coot logy of Eastern Mapnhace ie W. W. Dodge has 
a paper entitled ‘* Notes on the Geology of Eastern Misaasioeckes 
in the raptinpiny of ey Boston Society of Natural History, 
F srg 3, vol. xvii, p. 388. 
. South pa ie ‘Galeay. —Mr. A. Hyarr has described, in 
in = of the Boston Society of oe oe aa 
ich 
genus Cindtiton: and which Quenstedt had shown to be not of 
this genus, but Ammonites, Mr. Hyatt has instituted the new 
genus Buchiceras—named in honor of Von Buch, 
11. On the composition of Coal and on the methods of arriv 
at it, with deductions and remarks on Coul in general ; illustrated 
on a sample of Coal from the Lower Coal Series gs Missouri, and 
on the Water Supply of Columbia, Missouri ; by P. Scuwxitz 
Ph.D., Prof. Chem. State University of Missouri. Contributions 
from a i inbacahcey of the University, pp. 156-193, pe in 
the Catalogue of the University, Jefferson City, 1 —Prof. 
Schweitzer gives the results of detailed analyses of Be wees in- 
ing i urities. He con 
3. Devonian post miee.  emion é Australia. —The trachyte 
of Gladstone, intersecting Devonian rocks, has the composition 
nearly of th the Puy-de-Dome. intree obtained, _ 
14°67, sesquioxide of iron 5°35, potash 5°65, 
4°60, water of constitution 0°70, do. hygroscopic 0°60=99°37.— 
. ooh Geol. Soc., xxviii, 312. 
osphate of Lime of Bamle, Norway.—Occurs in nearly 
hoetadntk beds, two to six feet thick in crystalline schists, and is 
