xxyiii 



W. Dittmar: On the Proximate Analysis of Goal Gas. 

 W. Dittmar: Remarks on Reboul' s papers on Pyro Tartaric Acid. 

 W. Thomson, F. R. S, E. On the Action of different Fatty Oils 

 upon Copper. 



W. Thomson, F. R. S. E.: On the Growth of Mildew on Grey Cloth. 



A. Fergusson: White Lead. 



Col. Hope. V. C. 0.1 the Puriflcation of the Clyde 



W. C. Sillar. On the Utilization of Sewage. 



Rev. R . Thomson. On the Prevention of the Pollution of Rivers. 



SEZIONE C 



O- oologia 



Discorsoo del Presidente Prof. J . Y o u n g M. D. 



His Grace the Duke of Argyll, K. T., LL. D., F. R. S. : On the 

 Physical Structure of the Highlands in connection with their Geologi cai 

 History, 



Dott. James Bryce, F. G. S.: On the Earthquake Districts of Scotland, 



Dott. James Bryce, F. G. S.: Seventh Report on Earthquakes in 

 Scotland. 



Dott. D. Milne-Home, F. G. S.: Notices of Terraces, Flats, and 

 Hanghs at High Levels in the Carron Valley, near Falkirk. 



Dott. D. Milne-Home, F. G. S.: Notes on the Parallel Roads of 

 Glen Roy. 



J . M a e f a d z e a n : On the Parallel Roads of Glen Roy. 



G. A. Gibson, MB., B. Se: On the Geology of Foula, Shetlands. 



E . W ù n s e h , F . G . S . : On the Junction of Granite and Old Red Sand- 

 stone in Arran. 



W. Pengelly, F. R. S.: Twelfth Report of the Committee for explo- 

 ring Kent' s Cavern Devonshire. 



R. H. Tiddeman, M. A., F. G. S.: Fourth Report of the Com- 

 mittee for assisting in the Exploration of the Settle Caves (Victoria Cave) 

 Yorkshire. 



Prof. W. C. Williamson, F. R. S. On the most recent Researches 

 into the Structure and Affinities of the Plants of the Coal Measures. 



Dott. Anton Fritsch: On Labyrinthodont Remains from the Upper 

 Carboniferous (Gas-Coal) of Bohemia. 



Prof. Harkness, F. R. S., and Prof, A. H. Nicholson, MD.:On 



