510 Proceedings of the Royal Physical Society. 



Wednesday, 16th April 1890. — Rev, A. B. Morrts in the Chair. 



The following gentleman was elected an Ordinary Fellow of the Society : 

 John D. Williams, Esq., M.B., CM. 



Messrs T. B. Sprague and R. C. Millar were appointed auditors of the 

 current session's accounts. 



The following communications were read : 



1 . " Notes on the PalseozoicSpecies mentioned in Lindley and Hutton's ' Fossil 



Flora.'" By Robert Kidston, Esq., F.R.S.E. 



2. " The Wing-Coverts of Birds in relation to Classification." Part III. By 



J. G. GooDCHiLD, Esq., F.Z.S., M.B.O.U. 



3. " Preliminary Notes on a post-Tertiary Fresh- Water Deposit at Kirkland, 



Leven, and at Elie." With exhibition of Molluscan, Entomostracan, 

 and other Remains. By Thomas Scott, Esq., F.L.S. 



4. "Results of Observations made to determine the Period occupied by 



different Birds in the Incubation of their Eggs." By William Evans, 

 Esq., F.R.S.E. [Incorporated in paper to the Jbis for January 1891.] 

 ■ 5. "Note on a Recent Exposure of a 'Washout' of Strata in New Redhall 

 Quarry." Photographs shown. By James Bennie, Esq. 



6. " On the Decomposition of Solutions of Sulphates by Carbonaceous 



Matter." By W. Ivison M^acadam, Esq., F.R.S.E. 



7. " Note on Pericmta indica living in Hothouses, Kirkcudbrightshire." With 



Exhibition of Specimens. By Robert Service, Esq. 



