1895.] Presents. 307 



small stream motion relative to the others, and so to diminish the 

 mean pressure and the number of collisions per unit of time. The 

 actual state of the medium is a compromise between the two opposite 

 tendencies. 



Presents, February 7, 1895. 

 Transactions. 



Basel : Naturforschende Gesellschaft. Yerhandlungen. Band X. 

 Heft 2. 8vo. Basel 1894. The Society. 



Batavia : Bataviaasch Genootschap van Kunsten en Wetenschap- 

 pen. Notulen van de Algemeene en Bestuursvergaderingen. 

 Deel XXXI. Aflevering 3, en 4. Deel XXXII. Aflevering 

 1, en 2. 8vo. Batavia 1893-94 ; Catalogus der Ethnolo- 

 gische Verzameling. Yierde Drak. Supplement. 8vo. 

 Batavia 1894,-, Nederlandsch-Indisch Plakaatboek 1602 1811. 

 Twaalfde Deel, 17951799. 8vo. Batavia 1894 ; Tijdschrift 

 voor Indische Taal, Land en Yolkenkunde. Deel XXXYII. 

 Aflevering 15. Deel XXXYIII. Aflevering 1 en 2. 8vo. 

 Batavia 1893-94; Yerhandelingen. Deel XLYII. 2 e Stuk. 

 Deel XLYIII. I 8te Stuk. 8vo. Batavia 1893. 



i?? The Academy. 



Berlin : Deutsche Chemische Gesellschaft. Berichte. 1894. 



Nos. 1018. 8vo. Berlin. The Society. 



Brussels : Academic Boyale de Medecine. Bulletin. Tome VIII. 



Nos. 510. 8vo. Bruxelles 1894. The Academy. 



Academic Royale des Sciences. Bulletin. Tome XXYII. 



Nos. 5 11. 8vo. Bruxelles 1894, The Academy. 



Florence : Biblioteca Nazionale Centrale. Bollettino. 1894. 



Giugno-Dicembre. 8vo. Firenze. The Library. 



London : Chemical Society. Journal. July December, 1894. 



8vo. London. Proceedings. Nos. 140 146. 8vo. London 



1894. The Society. 



Geological Society. Abstract of the Proceedings. Nos. 



628634. 8vo. London 1894; Quarterly Journal. Vol. LI. 



Part I. 8vo. London 1895. The Society. 



Institution of Civil Engineers. Abstract of Proceedings. Session 



1894-95. Nbs. 1 4. 8vo. London. The Institution. 



Institution of Electrical Engineers. Journal. Yol. XXIII. 



Nos. 112, 113. 8vo. London 1894. The Institution. 



Pharmaceutical Society of Great Britain. Pharmaceutical 



Journal and Transactions. July December, 1894. 8vo. 



London. The Society. 



