210 



Presents. 



[Mar. 24, 



method should be applied to the manganese steel whose non-mag- 

 netic quality under ordinary conditions has been already commented 

 on by himself as well as by Mr. J. T. Bottomley and Professor 

 Barrett. In connexion with the values of ^ reached by other 

 observers, Professor J. J. Thomson informs me that in some recent 

 experiments by himself and Mr. H. F. Newall on the effect of 

 cutting a magnet at right angles to the lines of force, an induction 

 of 28,000 was found on one occasion. — J. A. E.] 



Presents, March 24, 1887. 



Transactions. 



London: — East India Association. Journal. Vol. XIX. No. 2. 8vo. 

 London 1887. The Association. 



Iron and Steel Institute. Journal. 1886. 8vo. London [1887]. 



The Institute. 



Munich: — Konigl. Bayer. Akademie der Wissenschaften. Sitz- 

 ungsberichte (Philos.-Philol. Classe). 1886. Heft 3. 8vo. 

 Munchen. The Academy. 



Newcastle-upon-Tyne : — Tyneside Naturalists' Field Club. Trans- 

 actions. Vol. VIII. Part [2. 8vo. London 1886. The Club. 



New Haven : — Connecticut Academy of Arts and Sciences. Trans- 

 actions. Vol. VII. Part 1. 8vo. New Haven 1886. 



The Academy. 



New York : — American Geographical Society. Bulletin. 1885. 



Nos. 4-5. 8vo. New York. The Society. 



Paris: — Ecole Normale Superieure. Annales. Annee 1887. No. 2. 



4to. Paris. The School. 



Pisa: — Societa Toscana di Scienze Naturali. Atti. Vol. VIII. 



Fasc. 1. 8vo. Pisa 1886; Processi Verbali. Vol. V. Novembre 



1886— Gennaio 1887. 8vo. [Pisa.] The Society. 



Santiago : — Deutscher Wissenschaftlicher Verein. Verhandlungen. 



Heft 3. 8vo. Valparaiso 1886. The Union. 



Observations and Reports. 



Calcutta : — G-eological Survey of India. Records. Vol. XX. 8vo. 

 [Calcutta] 1887. The Survey. 



Meteorological Observations recorded at Six Stations in India, 

 1886. October. Folio. [Calcutta] 1886. 



The Meteorological Office, India. 

 Helsingfors : — Institut Meteorologique Central de la Societe des 

 Sciences de Finlande. Observations. 1882-3. Vol. I. Livr. 1. 

 Vol. II. Livr. 1. Folio. Helsingfors 1886. The Society. 



