392 The American Geologist. Jane, 1895 
material, F. C. Hooper; Analysis of Cri'laceous clays from Long Island, 
C. H. Jouet. 
American Naturalist, April, 1895, contains: On the presence of Hour- 
ine as a test for the fossilization of animal bones, Thomas Wilson; Ob- 
servations on a so-called petrified m:in, J. M. Sledman; On the validity 
of the genus Margaritana, C. T. Simpson. 
Science, March 22, 1895. contains: Current notes on physiography 
(lY), W. M. Davis. 
Science, April 19, 1S95, contains: On thi' marine m(jllusks of the 
Pampean formation, H. von Ihering. 
Science, April 20, 1895, contains: The Protolenus fauna, G. F. Mat- 
thew; Volcanic dust in Te.vas, H. W. Turner. 
Science, Ma}' 3, 1895, contains: Current notes on physiography (V), 
W. M. Davis; Letter to J. D. Dana. 
Science, May 10, 1805, contains: Current notes on physiography (VI), 
W. M. Davis. 
Journal of Geology, Feb. -March, 1895, contains: Sedimentary meas- 
urement of Cretaceous time, G. K. Gilbert; Use of the aneroid barome- 
ter in geological surve^'ing, C. W. Rolfe; A petrographical sketch of 
^gina and Methana, pt. 3, H. S. Washington; On Clinton conglomer- 
ates and wave marks in Ohio and Kentucky, A. F. Foerste; Glacial 
studies in Greenland, IV, T. C. Chamberlin. 
Journal of Geology, April-May, 1895, contains: The classification of 
European glacial deposits. James Geikie; The classification of American 
glacial deposits, T. C. Chamberlin; The variations of glaciers, II. F. 
Reid; Stratigraphy of the Saint Louis and Warsaw formations in south- 
eastern Iowa, C. H. Gordon; Algonkian rocks of the Grand canyon of 
the Colorado, C. D. AValcott; New light on isostasy, G. K. Gilbert; 
James I). Dana as a teacher of geology, O. C. Farrington. 
Ottawa Naturalist, Apr., 1895, contains: The Rensselaer grit plateau, 
R. W. Ells. 
Ottawa Naturalist, Maj', 1895, contains: On some dykes containing 
huronite, A. F. Barlow. 
American Naturalist, May, 1895, contains: On the presence of fluorine 
as a test for the fossilization of animal bones, Thomas Wilson. 
1 V. Excerpts and Imlindual PuhUcations. 
The Costilla meteorite, R. C. Hills. Proc. Colo. Sci. Soc; 2 pp. and 
plate; read Jan. 7, 1895. 
The Potsdam and Calciferous formations of Quebec and eastern On- 
tario. R. W. Ells. Trans. Roy. Soc. Canada., sec. 4, 1894, pp. 21-30. 
A synoptical index of the fossils of Mis.souri, C. R. Keyes. Mo. Geol. 
Sur., vol. V, pp. 241-26(5, 1894. 
A stratigrai)hic catalogue of Missouri fossils, C. R. Keyes. Mo. Geo. 
Sur., vol. IV. pp. 241-204, 1894. 
The apatite-bearing rocks of the Ottawa district, R. W. Ells. Cana- 
dian Rec. Sci., pp. 213-222, Jan., 1895. 
A histor\' and descri[)ton of magnesia and its base and compounds, 
