1»^0 [Jan. 6, 



Letters of envoy were received from the Academie der 

 Wissenschaften, Wien, Sept, 30, 1881 ; Bibliotheca Nazionale 

 Vittorio Emanuele, Roma, Oct, 20, and the Meteorological 

 Office, London, December, 1881. 



A letter asking exchange of publications was received from 

 the U. S. Geological Survey, Washington. 



A circular letter asking exchange of publications was re- 

 ceived from the Societe des Sciences de Finlande, Helsingfors, 

 Dec. 10, 1881. 



A circular letter, dated December, 1881, was received from 

 Prof. Dr. Riidinger, in behalf of the Comite iiir die Jubilaums- 

 feier des Herrn Geheimraths Dr. Th. v. Bischoft'. 



Donations for the library were received from the Royal So- 

 ciety of New South Wales ; the Academies at St. Petersburg, 

 Berlin, Vienna and Turin ; Observatories at St. Petersburg, 

 Turin, and the Cape of Good Hope; Bibliotheca Speculie 

 Pulcovensis, in St. Petersburg ; Imperial Society of Natur- 

 alists, Moscow ; Naturforscher Verein, Riga ; German Geo- 

 logical Society, Berlin ; Zoologischer Anzeiger, Leipsig ; 

 Verein fiir Erdkunde, Halle a-S ; Verein fiir Naturkunde 

 zu Cassel ; Zoological Garden, Frankfurt ; Oberhessische Ge- 

 sellschaft, Giessen; M. Hugo von Meltzel ; Royal Venetian 

 Institute ; Royal Lombardy Institute ; Museum of Natural 

 History, and Revue Politi(|ueyi Paris ; Society of Commercial 

 Geography, Bordeaux ; Revista Euskara, Pamplona ; Flora 

 Batava, Leyden ; Royal Asiatic, Royal Astronomical, Royal 

 Geographical, Meteorological, -Geological, Zoological, Linnean 

 and Antiquarian Societies, and the Victoria Institute, Me- 

 teorological Office, and Nature, London; Mr. John Evans, 

 F.R.S. ; Royal Geological Society, Dublin; Mr. Horatio 

 Hale, Clinton, Canada ; American Oriental Society, and Ameri- 

 can Journal of Science, New Haven ; Dr. J. S. Newberry, New 

 York; Franklin Institute, and the "American," Philadelphia; 

 American Chemical Journal, Baltimore ; U. S. Geological Sur- 

 vey, Washington; " The Virginias," Staunton, Va.; American 

 Antiquarian, Chicago ; and the National Museum, Mexico. 



The death of Dr. Isaac Israel Hayes, on Dec. 17, 1881, was 

 announced. 



