Additions to the Museum. 31 



From Pkof. James Okton, Yassar College. 



Descriptions of Xew Fossil Shells of the Upper Amazon. By T. A. 

 Conrad. (From the American Jour, of Conchology. Published in 

 advance. Oct. 10, 1S70.) 



From Det Kongelige IS'oeske Univeesitet i Chkistiania. 



Xorges Fugle, og deres geographiske Udbredelse i Landet, af Robert 



Collett. (Foi-liandlinger for 1868.) 8vo. pp. 80. 

 Om individuelle Yariationer hos Korhvalerne og de deraf betingede 



Uligheder i den ydre og indre Bjgning af Gr. O. Sars. (Forhand- 



linger for 1868.) Pamph., 8vo. pp. 46. 

 Fortsatte Bemasrkninger over det dyriske Livs Udbredning i Havets 



Dybder, af M. Sars. (Forhandlinger for 1868.) Pamph., 8vo. 



pp.32.) 

 Le Glacier de Boium en Juillet 1868, par S. A. Sexe. Christiania, 



1869. Quarto, Pamph., pp. 40. 



From Pkof. James Hall, LL.D. 



Geological History of the North. American Continent. A Lecture 

 delivered before the American Institute, in ISTew York, by Prof. 

 James Hall, Alban}'-, 1869. Pamph., 8vo. pp. 24. 



II. By Subscription. 



The American ISTaturalist. Salem, Mass., 1870. Yol. Ill, JSTos. 11, 



12. Yol. lY, ISTos. 1-10. 

 The American Entomologist. St, Louis, 1870. Yol. II, IS^s. 3-12. 

 The American Journal of Science and Art. IsTew Haven, 1870. 



Yol. XLYII, JSTo. 140. Yols. XLIX and L. 

 United States Kailroad and Mining Eegister. Philadelphia, 1869, 



1870. Yol. XIY. Yol. XY, A^os. 1-23, 25-31. 



III. By Purchase. 

 A System of Mineralogy. Descriptive Mineralogy, comprising the 

 most recent discoveries. By James Dwiglit Dana. IN'ew York, 



1870. 8-vo. 



YL MISCELLAISTEOHS. 



From Key. Wm. Stone Hatwakd, Morley, St. Lawrence Co. 

 Specimens illustrating the action of lightning on a tree and rocks 

 adjacent. (The following communication, cut from the JST. Y. 

 Journal of Commerce, accompanied the contribution.) 



