144 Gesellschaft naturfwscJwnder Freunde, Berlin. 



Atti della Societä Toscana di scienze naturaii, processi 

 verbali, VII, März 1890. 



Bulletin de la Societe zoologiqiie de France. XV, 4. 5; XVI, 

 1, 1890. 



Proceedings of the Zoological Society of London, 1889, 

 part. IV; 1890, part. I. 



Bulletin of the Museum of comparative zoologv. Cambridge, 

 Mass., XVI, 8; XIX. 3. 4. 1890. 



Proceedings of the Academy of Natiu-al Sciences of Phila- 

 delphia, 1889. 3; 1890,^1. 



Journal of comparative medicine and veterinary archives, 

 XI, 5, 6, 1890. Philadelphia. 



Journal of the Elisha Mitchel scientific Society. 1890. 



Proceedings of the California Academy of Sciences, second 

 series, vol. II. 1889. 



Psyche, Journal of entomology V, No. 169, Mai 1890. Cam- 

 bridge (Mss.). 



Geological and natural bist. Survey of Minnesota, 17 annual 

 Report for 1888. St. Paul. 



Bulletin of geological and natur. bist. Survey of Minnesota, 

 Nr. 1 and 5, St. Paul 1889. 



Memorias de la Sociedad cientifica „Antonio Alzate", 

 III, 7 y 8. Mexico 1890. 



Als Geschenk wurde mit Dank entgegengenommen: 



Annuaire statistique de la Province de Buenos - Ayres, 

 VIII annee. 1888. 



Druck von J. F. Stare ke in Berlin. 



