4Y2 ADDITIONS TO LIBRARY. 



Watson, S. Contributions to American botany, IX. The Author. 

 Webster, H. E. Annelida Chsetopoda of the Virginian Coast. The Author. 

 Wetherby, A. G. New family and genus of lower Silurian Crustacea. 



Tlie Author. 

 White, C. A., and II. A. Nicholson. Supplement to bibliography of North 



American invertebrate paleontology. The Author. 

 Whiteaves, J. F. Geological Survey of Canada. Mesozoic fossils, Vol. I. 



The Survey. 

 Whitney, J. D. Earthquakes, volcanoes, and mountain-building. I. V. 



Williamson Fund. 

 Wiedersheim, R. Anatomie der Gymnophionen. I. V. Williamson Fund. 

 Williamson, J. Fern etchings. I. V. Williamson Fund. 

 Williamson, R. S. Use of the barometer on surveys and reconnoissances. 



War Department. 

 Willshire, W. H. The principles of botany, 183!). Dr. F. V. Hayden. 

 Wilson, Jos. Naval Hygiene. 2d Ed. The Author. 

 Woman's Medical College of Pennsylvania. 13th announcement, 1879-80. 



The Trustees. 

 Yarrell, Wm. A history of British birds. 4th Ed. Part XII. I.V.Wil- 

 liamson Fund. 

 Young Men's Mercantile Library Association of Cincinnati, 44th annual 



report. The Directors. 

 Zoological Record, Vol. XIV. Wilson Fund. 

 Zittel, K. A. Handbuch der Palseontologie. 1 Bd. 2 H. ; 2 Bd. 1. I. V. 



Williamson Fund. 

 Studieu liber fossile Spongien. 3e Abth. The Author. 



JOURNALS AND PERIODICALS. 



Adelaide. Philosophical Society. Transactions, etc., 1877-8. The Society. 

 Amsterdam. K. Akademie van Wetenschappen. Verslagen en Mededee- 

 lingen, Afd. Letterkunde, 2e Reeks, 7 Deel. Afd. Naturkunde, 2e 

 Reeks, 12 and 13 Deel. 

 Jaarboek, 1877. 



Processen-Verbaal. Afd. Natuur. Mai 1877-Apr. 1878. 

 Verhandlingen, Deel 18. The Society. 

 Atco. Our Rush Light. May, 1879. The Editor. 



Auxerre. Societe des Sciences historiques et naturelles de l'Yonne. Bul- 

 letin, 33e vol. The Society. 

 Baltimore. American Chemical "Journal. Vol. I. No. 1. The Editor. 

 American Journal of Mathematics. Vol. I., No. 4.-Vol. II., No. 2. 



The Editor. 

 Peabody Institute, 12th annual report. The Institute. 

 Batavia. Genootschap van Kunsten en Wetenschappen. Verhandelingeu, 

 Deel 37, 38, and Deel 39, le Stuk. Tijdschrift, Deel 21, Afl. 3-6; 

 D. 22, Afl. 1-6 ; D. 23, Afl. 1-4; D. 24, Afl. 4 and 5. Notulen, D. 

 12, Nos. 1-4 ; D. 13, Nos. 1-4 ; D. 14, No. 1 ; D. 15, No. 1. The 

 Society. 

 Natuurkundig Vereen in Nederlandsch Indie. Tijdscrift. Deel 14, 

 15, 16. The Society. 

 Belfast. Naturalist's Field Club. Annual Report, 1876-77 ; Ser. 2, Vol. 

 I. Pt. 4. The Society. 

 Natural History and Philosophical Society. Proceedings, Session 

 1877-1878. The Society. 

 Berlin. Archiv fiir Naturgeschichte, 42e Jahrg. 6 Heft ; 43e Jahrg. 5 H. ; 

 44 Jahrg. 4 H. ; 45 Jahrg. 1-3 H. The Editor. 



