160 Presents. [June 7, 



in several genera of the Mycetozoa immediately before the formation 

 of the spores, and it appears probable that the phenomenon is akin 

 to the division of the micro-nucleus which precedes conjugation in 

 the Infusoria, and to the division of nuclei which occurs in the 

 maturation of the reproductive elements in the higher forms of ani- 

 mals and plants. 



Presents, June 7, 1894. 

 Transactions. 



Bnda-Pesth : Ungarische Geologische Gesellschaft. Foldtani 

 Kazlony. Kotet XXIV. Fiizet 15. 8vo. Budapest 1894. 



The Society. 



Cracow : Academic des Sciences. Bulletin International. Avril, 

 1894. 8vo. Cracovie. The Academy. 



Kharkoff : Societe des Sciences Experimentales. Travaux de la 

 Section Medicale. 1893. [Russian.'] 8vo. KharJco/ 1894. 



The Society. 



Lausanne : Societe Vaudoise des Sciences Natiirelles. Bulletin. 

 Vol. XXX. No. 114. 8vo. Lausanne 1894. The Society. 

 Leipsic : Konigl. Sachs. Gesellschaft der Wissenschaften. Ab- 

 handlungen (Math.-phys. Classe). Bd. XXI. No. 1. 8vo. 

 Leipzig 1894; Berichte iiber die Verhandlungen (Math.- 

 phys. Classe). 1894. No. 1. 8vo. Leipzig 1894. 



The Society. 



London : British Astronomical Association. Journal. Vol. IV. 

 No. 6. 8vo. London 1894. The Association. 



Geologists' Association. Proceedings. Vol. XIII. No. 7. 8vo. 

 London 1894. The Association. 



Photographic Society of Great Britain. Journal and Transac- 

 tions. Vol. XVIII. No. 9. 8vo. London 1894. 



The Society. 



New York : American Museum of Natural History. Bulletin. 

 Vol. VI. Pages 139160. 8vo. [New York] 1894. 



The Museum. 



Paris : ficole Normale Superieure. Annales Scientifiques. Tome 



XL No. 5. 4to. Paris 1894. The School. 



Societe de Geographic. Bulletin. Tome XIV. Trim. 4. 8vo. 



Paris 1894. The Society. 



Societe Mathematique. Bulletin. Tome XXII. No. 4. 8vo. 



Pans [1894]. The Society. 



Santiago : Sociedad Nacional de Mineria. Boletin. Ano XI. 



No. 65. 4to. Santiago de Chile 1894. The Society. 



