(10) Verzeichniss der eingegangenen Druckschriften. Erstes Vierteljahr. 
pe Hurmuzarı, L. Documente privitore la Istoria Romänilor. Suppl.I. Vol. III. Fase. II. 
1795 —1803. Bucuresci 1889. 4. 
Annals of the New York Academy of Sciences, late Lyceum of Natural History. Vol. IV. N.12. 
New York 1889. 
Transactions of the New York Academy of Sciences. Vol. VIll. N.5—8. 1888 —1889. 
New York 1889. 
Proceedings of the American Academy of Arts and Science. N.Ser. Vol.XV. P.Il. 
Boston 1888. 
The Astronomical Journal. Vol.IX. 1889. N. 15—20. Boston 1889. 4. 
Transactions of the American Philological Association. 1888. Vol. XIX. Boston 1859. 
Proceedings of the boston Society of Natural History. Vol. XXIV. T.I. II. 1355 —1889. 
Boston 1889, 
Proceedings of the United States National Museum. Vol. X. 1887. XI. 1888. Washing- 
ton 1888. 1889. 
Bulletin of the United States National Museum. N.33—37. Washington 1889. 
United States Coast and Geodetic Survey. Bulletin N. 13. Washington 1839. 4. 
Report of the Superintendent of the U. S. Coast and Geodetie Survey showing the progress 
of the work during the fiscal year ending with June 1887. 1. II. Washington 1889. 4. 
Bulletin of the United States Geological Survey. N. 48 —52. 
Monographs of the United States Geological Survey. Vol. XII. XIV. Washington 1888. 
1889. 4. 
Becker, G. F. Atlas io accompany a monograph on the Geology of the (Quicksilver Deposits 
of the Pacific slope. Washington 1887. Fol. 
7. Annual Report of the United States Geologieal Survey to the Secretary of the Interior. 
1885 — 1886. By J. W. Powerr. Washington 1888. 
The American Naturalist. Vol. XXIU. N.271. 272. 273. 1889. Vol. XXIV. N. 277. 
278. 1890. Philadelphia 1890. 
Bulletin of the Museum of Comparative Zoology at Harvard College. Whole Series 
Vol. XVI. N.6. Vol. XVII. N.6. Cambridge, Mass. 1889. 
Annual Report of the Curator of the Museum of Comparative Zoology at Harvard College, to the 
President and Fellows of Harvard College, for 1388$— 1889. Cambridge, U. S.A. 1889. 
Forty-fourth Annual Report of the Director of the Astronomical Observatory of Harvard 
College. By E. C. Pıckerıng. Cambridge, Mass. 1890. 
Proceedings of the American Philosophical Society, held at Philadelphia. Vol. NXVI. 1889. 
N. 130. Philadelphia. 
Smithsonian Institution. United States National Museum. Washington. 11 Sep. Abdr. 
aus deren Proceedings. N. 761 — 771. 778. 1890. 
U. S. Department of Agriculture. North American Fauna. N.1.2. Washington 1889. 
U. S. Department of Agriculture. Bulletin 1. Washington 1889. 
American Journal of Mathematies. Vol-V. N.2. Vol. VI. N.1. Vol. VII. N.2.3. Balti- 
more 1882. 1883. 1885. 4. 
‚Johns Hopkins University Circulars. Vol. IX. N.78.79. Baltimore 1890. 4. 
Transactions of the Wagner Free Institute of Science of Philadelphia. Vol.2. Philadelphia 
1889. 
The American Journal of Science. Vol. XXXIX. N. 229. 230. 231. New Haven 1890. 
Transactions of the Astronomical Observatory of Yale University. Vol.I. P.II. New 
Haven 1889. 4. 
Report of the Iowa Weather Service for the years 1878— 1883. 1884. 1885. 1887. By 
G. Hınrıcas. Des Moines 1888. 1889. 
