566 



Titles of Papers deferred. 



[June 10, 



XV. " Star Photography ; the Effects of Long and Short 

 Exposures on Star Magnitudes." By Isaac Roberts, 

 F.R.A.S. Communicated by the Rev. S. J. Perry, F.R.S. 

 Received May 21, 1886. 



[Publication deferred.] 



XVI. " An Instrument for the speedy Volumetric Determination 

 of Carbonic Acid." By W. Marcet, M.D., F.R.S. Received 

 June 9, 1886. 



[Publication deferred.] 



XVII. "On the Practical Measurements of Temperature; 

 Experiments made at the Cavendish Laboratory, Cam- 

 bridge." By H. L. CALLENDAR, B.A., Scholar of Trinity 

 College, Cambridge. Communicated by J. J. Thomson, 

 F.R.S., Professor of Experimental Physics at the Cavendish 

 Laboratory. Received June 9, 1886. 



[Publication deferred.] 



XVIII. « The Determination of Organic Matter in Air." By 

 Professor T. Carnelley and William Mackie. Commu- 

 nicated by Sir H. E. Roscoe, F.R.S. Received June 10, 

 1886. 



[Publication deferred.] 



XIX. "The Carbonic Acid, Organic Matter, and Micro- 

 organisms in Air, more especially of Dwellings and 

 Schools." By Professor T. Carnelley, J. S. Haldane, and 

 Dr. A. M. Anderson. Communicated by Sir H. E. Roscoe, 

 F.R.S. Received June 10, 1886. 



[Publication deferred.] 



XX. " Preliminary Report on the Pathology of Cholera Asiatica 

 (as observed in Spain, 1885)." By C. S. Roy, F.R.S., 

 J. Graham Brown, M.D., &c, and C. S. Sherrington, 

 M.B. Received June 10, 1886. 



[Publication deferred.] 



The Society adjourned over the Long Vacation to Thursday, 

 November 18th. 



