264 The American Geologist. October, is95 
Bureau of Mines (Ontario), Fourth (1894) Report; Archibald Blue, Di- 
rector. General introduction; Gold in Ontario — its associated rocks 
and minerals (Report on the Rainy Lake gold region), A. P. Coleman: 
The Hinterland of Ontario; Calcium carbide and acetylene gas; Dia- 
mond drill explorations; Nickel and its uses; Mining accidents; Fifth 
report of the inspector of mines, A. Slaght. 
U. S. Nat. Musevim, pt. K of Bull. .39. Directions for collecting and 
preparing fossils, Charles Schuchert. 
U. S. Geol. Survey. Mineral products of the United States. D. T. 
Day. June 8, 1895. [Large table.] 
Boletin de la Comision Geologicade Mexico, Num. 1. Fauna fosilde 
la Sierra de Catorce San Luis Potosi, J. G. Aguilera. 
//. Proceedings of Scientific Societies. 
Trans. Acad. Sci. of St. Louis, vol. 7, no. 3, Feb. 21, 1895. Note on 
the glacial drift in St. Louis, H. A. Wheeler: Note on the occurrence of 
blende in lignite, H. A. Wheeler; Recent additions to the mineralogy of 
Missouri, H. A. Wheeler. 
Proc. Iowa Acad. Sci., for 1894: vol. 2, 1895. Interloessial till near 
Sioux City, lov^^a, J. E. Todd and H. F. Bain; Preglacial elevation of 
Iowa, H. F. Bain; Secular decay of granitic rocks, C. R. Keyes; Record 
of the Grinnell deep boring, A. J. Jones; Lansing lead mines, A. G. 
Leonard; How old is the Mississippi, F. M.Fultz; Maquoketa shales in 
Delaware county, Samuel Calvin: Occurrence of Megalomus canaden- 
sis. Hall, in Le Claire beds at Port Byron, Illinois, W. H. Norton; Cer- 
tain minerals of Webster county, Iowa, A. C. Spencer: Cement materi- 
als in Iowa, H. H. Lonsdale; Mississippian rocks of central Iowa, H. F. 
Bain; Topaz crystals from Thomas mountain, Utah, A. J. Jones; For- 
mation of the flint beds of the Burlington limestone, F. M. Fultz; Syn- 
opsis of American Paleozoic echinoids, C. R. Keyes; Geological section 
of the Y. M. C. A. artesian well at Cedar Rapids, Iowa, W. H. Norton: 
Upper Carboniferous of southwestern Iowa, E. H. Lonsdale; Coinci- 
dence of present and preglacial drainage systein in extreme southeastern 
Iowa, F. M. Fultz; Extension of the great ice sheet into Iowa, F. M. 
Fviltz; Glacial markings in southeastern Iowa, F. M. Fultz: Opinions 
concerning the age of the Sioux quartzite, C. R. Keyes. 
Trans. Connecticut Acad. Arts and Sei., vol. 9, pt. 2, 1895. Revision 
of the families of loop-bearing Brachiopoda, C. E. Beecher; The devel- 
opment of Terebratula olisoleta Dall, C. E. Beecher. 
Proc. Lake Superior Mining Institvite, 3d Ann. Meeting, March, 1895. 
The iron ranges of Minnesota, H. V. Winchell; Distribution of phos- 
phorus and system of sampling at the Pewabic mine, Michigan, E. F. 
Brown; The relation of the vein at the Central mine, Keweenaw point, 
to the Kearsarge conglomerate, L. L. Hubbard; Open pit mining with 
special reference to the Mesabi I'ange, F. W. Denton. 
III. Papers in Scientific Journals. 
Amer. Naturalist, July, 1895. On a supposed case of i)arallelism 
in the genus Palaeosyops, Charles Earle. 
Amer. Naturalist, Aug., 1895. On the presence of fluorine as a test 
for the fossilization of animal bones, Thomas Wilscm. 
