102 THE JOURNAL OF GEOLOGY. 



— Ueber Bergstiirze in den Alpen. 50 pp., i pi. — Aus dem Jahrbuch des 

 S.A.C. (X. Jahrgang) Zurich, 1875. 

 Baker, Frank C. 



— Notes on a Collection of Shells from the Mauritius; with a consideration of 

 the Genus Magilus of Montfort. 22 pp., i pi. — Proc. Rochest. Acad. Sci., Vol. 

 2, 1892. 



— Catalogue and Synonomy of the Recent Species of the Family of Muricidse, 

 First Paper. 20 pp. — Proc. Rochest. Acad. Sci., Vol. I, 1891. 



— Description of New Species of Muricidse with Remarks on the Apices of 

 Certain Forms. 9 pp., i pi. — Proc. Rochest. Acad. Sci., Vol. 1, 1891. 

 Barrois, Charles. 



— Sur la presence de fossiles dans le terrain azoique. 4 pp. — Comptes Rendus 

 des Seances de L'Academie des Sciences, Aug. 8, 1892. 

 Beecher, C.E., Ph.D. 



— The Development of some Silurian Brachiopods. 8 pi., 96 pp. — N. Y. 

 State Mus., Vol. I, No. I, Oct. 1892. 



— Brachiospongidae, a Memoir on a Group of Silurian Sponges. 28 pp., 6 pi. 

 Memoirs of the Peabody Mus., Vol. II, Part I, 1889. 



— Insecta by Alpheus Hyatt and J. M. Arms. — Am. Jour. Sci., March, 1891. 



— New Types of Carboniferous Cockroaches from the Carboniferous Deposits 

 of the United States; (2) New Carboniferous Myriapoda from 111.; (3) Illustra- 

 tions of the Carboniferous Arachnida of N. A., of the orders Anthracomarti and 

 Pedipalpi; (4) The Insects of the Triassic Beds at Fairplay, Col., Samuel H. 

 Scudder. 2 pp. — Am. Jour. Sci., Jan., 1891. 



— Some Abnormal and Pathologic Forms of Fresh Water Shells from the 

 Vicinity of Albany, N. V. 2 pp., 2 pi. — 36th Rep. N. Y. State Mus. of Nat. Hist. 



— The Development of a Paleozoic Poriferous Coral. Symmetrical Cell De- 

 velopment in the P^avositidse. 12 pp., 7 pi. — Trans. Conn. Acad. Sci., Vol. 8,1891. 



— On Leptaenisca, a New Genus of Brachiopod from the L. Helderberg Group. 

 N. A. Species of Strophalosia. 8 pp., i pi. — Am. Jour. Sci., Sept., 1890. 



— Ceratiocaridae from the Chemung and Waverly Groups at Warren, Penn. 

 22 pp., 2 pi. — Rep. of Prop., PPP, 2d Geol. Surv. Penn., 1884. 



— A Spiral Bivalve from the Waverly Group of Penn. 4 pp., i pi. — 39th An 

 Rep. N. Y. State Mus., 1886. 



— On the Lingual Dentition and Systematic Position of Pyrgula. 8 pp., i pi. 

 Jour. N. Y. Mic. Soc, Jan., 1890. 



— On the Occurrence of U. Silurian Strata near Penobscot Bay, Maine. 6 pp., 

 111. — Am. Jour. Sci., May, 1892. 



— Koninckina and Related Genera. 9 pp., i pi. — Am. Jour. Sci., Sept., 1890. 



■ — Development of the Brachiopoda, Part I, Introduction. 14 pp., i pi. — Am. 

 Jour. Sci., Apr., 1892. 



— Development of the Brachiopoda. Part 11, Classification of the Stages of 

 Growth and Decline. 22 pp., i pi. — Am. Jour. Sci., Aug., 1892. 

 Beachler, Chas. S. 



— Keokuk Group of the Miss. Valley. 8 pp. — Am. Geol., Aug., 1892. 3 

 copies. 



— The Rocks at St. Paul, Indiana and Vicinity. 2 pp. — Am. Geol., Mch., 1891. 

 3 copies. 

 BiGELOW, Frank H. 



— Notes on a new Method for the Discussion of Magnetic Observations. 40 

 pp., 2 pi. — Bull. Weather Bureau, 1892. 

 BOEHM, Georg. 



— Ueber den Fussmuskeleindruck bei Pachyerisma. 2 pp. — Berichte der 

 Naturforschenden Gesellschaft in Freiburg i. B., 1892. VI. 3. 



— Megalodon, Pachyerisma und Diceras. 24 pp. 9 wood cuts. — Aus den 

 Berichten der Naturforschenden Gesellschaft VI. 2. zu Freiburg i. B., 1891. 



— Lithiotis Problematica. 16 pp., 3 pi. — Naturforschenden Gesell. in Frei- 

 burg, Band II. Heft 3. 



