196 Presents. [June 15, 



Journals (continued} . 



Nature Notes. Vol. IV. No. 42. 8vo. London 1893. 



The Seiborne Society. 



New York Medical Journal. January June, 1893. 4to. New 

 York. The Editor. 



Notes and Queries. January June, 1893. 4to. London. 



The Editor. 



Observatory (The) January June, 1893. 8vo. London ; Com- 

 panion to The Observatory. 1893. 8vo. London 1893. 



The Editors. 



Prace Matematyczno-Fizyczne. Tome VI. 8vo. Warszawa 1893. 



The Editors. 



Revue Generale des Sciences. Janvier June, 1893. 8vo. Paris. 



The Editors. 

 Revue Scientifique. Janvier Juin, 1893. 4to. Paris. 



The Editor. 



Symons's Monthly Meteorological Magazine. January June, 

 1893. 8vo. London. Mr. G. J. Symons, E.R.S. 



Technology Quarterly. Vol. V. No. 4. 8vo. Boston 1892. 



Massachusetts Institute of Technology, Boston. 

 Zeitschrift fur Biologie. Bd. XI. Heft 2. 8vo. Munchen 1893. 



The Editors. 



Zeitschrift fiir Naturwissenschaften. Bd. LXV. Heft. 6. 8vo. 

 Leipzig 1892. Naturwissenschaftlicher Verein, Halle. 



Zoe. Vol. I. Vol. II. Nos. 14. San Francisco 1890-92. 



California Academy of Science. 



Brun (Ch.) Etude sur la Theorie Mecanique de la Chaleur. 8vo. 

 Paris 1893. Two Copies. The Author. 



Cross (C. R.) and A. N. Mansfield. An Investigation of the Excur- 

 sion of the Diaphragm of a Telephone Receiver. 8vo. [Boston 

 1892.] The Authors. 



Davies (Captain H.) Customary Law of the Gujrat District. 8vo. 

 Lahore 1892. The India Office. 



Leyst (E.) Katalog der meteorologischen Beobachtungen in Russ- 

 land und Finland. 4to. St. Petersburg 1887 ; "Dber die Boden- 

 temperatur in Pawlowsk. 4to. St. Petersburg 1890. [And 

 eleven other excerpts.] The Author. 



Mendenhall (T. C.) Determinations of Gravity with Half -second 

 Pendulums on the Pacific Coast, in Alaska, and at Washington, 

 D.C., and Hoboken, N.J. 8vo. Washington 1892. 



The Author. 



Monet (E.) Principes Fondamentaux de la Photogrammetrie. 8vo. 

 Paris 1893. The Author. 



