A CKNO WLED GMENTS. 1 2 1 



Etheridge, R., Jr. 



— On Additional Silurian and Mesozoic Fossils from Central Australia. 8 pp., 

 I pi. — Supplement to Parliamentary Papers, No. 158, 1891 ; No. 23, 1892. 

 Frosterus, Benj. 



— Ueber ein neues Vorkommnis von Kugelgranit unfern Wirvik bei Borga in 

 Finland, nebst Bemerkungen iiber ahnliche Bildungen. 34 pp., 2 pi. 

 Gill, A. Capen. 



— Beitrage zur Kenntniss des Quarzes. 35 pp., 2 pi. — Zeit fUr Krystallogr. u. 

 Mineralogie, XXII. Bd. 2. Heft. 

 Grant, Ulysses Sherman. 



— Field Observations on Certain Granitic Areas in Northeastern Minnesota. 

 Pp. 35-110. — 20th Annual Report Minn. Geol. Surv. 

 Holmes, Mary E. 



— The Morphology of the Carinse upon Septa of Rugose Corals. 31 pp., 26 

 pis.— 1887. 

 Lawson, Andrew C. 



— The Geology of Carmelo Bay. 159 pp., 4 pis.— Bull. Univ. of Cal., May, 

 1893. 

 — Anorthosytes of the Minnesota Coast of Lake Superior. 



— The Laccolitic Sills of the Northwest Coast of Lake Superior. 48 pp., 5 

 pis. — Geol. Surv. Minn., 1893. 

 Lerch, Otto, Ph. D. 



— A Preliminary Report upon the Hills of Louisiana, south of the Vicksburg, 

 Shreveport and Pacific Railroad, to Alexandria, La. Pp. 57-158. 

 Mercer, Henry C. 



— Notes taken in December, 1892, and March, 1893, at the Quaternary Gravel 

 Pits of Abbeville, St. Acheul, and Chelles. Pp. 122-127. — The Archseologist, 

 July, 1893. 

 Marsh, O. C. 



— Description of Miocene Mamalia. 6 pp., 4 pis. — Am. Jour. Sci., Nov., 

 1893. 

 Martin, Fred. W., F.G.S. 



— Bowlders of the Midland District. 22 pp., i map. — Proc. Birmingham Phil. 

 Soc, Vol. VII., Part I. 

 Merriman, Mansfield. 



— The Strength and Weathering Qualities of Roofing Slates. Pp. 331-349. — 

 Am. Soc. of Civil Engineers, Vol. XXVII., Sept., 1892. 

 Orton, Edward. 



— Ohio Geological Survey, 1869-70, Geology, 1873-78. Vols, i, 2, and 3, with 

 maps accompanying Vols, i and 2. 

 Palache, Charles. 



— The Soda-Rhyolite north of Berkeley. 10 pp., i pl.^ — Bull. Univ. Cal., Vol. 

 I. Pp. 61-72, May, 1893. 

 PiTTiER, Henrique Professor. 



— Boletin Trimestral del Instituto Meterologico Nacional, Nos. i, 2, 3, 4, 1888. 

 — Annales de Instituto Fisico-Geografico Nacional. T. II., Part I., II., 



