NATURAL HISTORY SOCIETY OF CLASGOW. XV 



Silurian period, and in Scotland examples have occurred in 

 Liddesdale, Dumbartonshire, and the carboniferous system of 

 Lanarkshire, etc. 



A very fine series of the shells of Isocardia cor., L., was 

 submitted for exhibition. Among the specimens was an 

 adult dredged in July, 1887, between Lesser Cumbrae and 

 Brodick, and especially interesting as the first living example 

 recorded from the Clyde. This was kindly lent by His Grace, 

 the Duke of Argyll, K.G., K.T., D.C.L., F.R.S., for exhibition 

 to the Society. Numerous other specimen';, from various marine 

 areas, were shown by Mr. David Robertson, F.L.S., F.G.S., 

 President ; Dr. John Murray, F.R.S.E., F.L.S., Honorary 

 Member ; Mr. W. Anderson Smith, Corresponding Member ; 

 Mr. James Paton, F.L.S. ; Mr. D. COrse Glen, C.E., F.G.S.; 

 and Mr. A. Somerville, B.Sc, F.L.S. 



A paper was read bj- Mr. Somerville, in which a general 

 account was given of the species and its area of distribution, 

 and reference was made to the various specimens obtained in 

 the West of Scotland.t 



Mr. John Renwick exhibited fasciated main-stems of Pitins 

 austriaca, grown on the estate of Traquair, Peeblesshire. 



27th November, 1888. 



Mr. A. Somerville, B.Sc, F.L.S., in the Chair. 



Mr. William Phillips, F.L.S , Canonbury, Kingsland, Shrews- 

 bury, was elected a Corresponding Member. 



The following were elected Ordinary Members : Lieutenant J. 

 G. Millais, of the Seafortli Highlanders, Maryhill Barracks ; 

 Mr. John Macrae, 7 Kirklee Gardens, Kelvinside ; Mr. Iain 

 Clerk, M.D., CM., Joint Hospital, Knightswood ; Mr. John 

 Henderson, Towerville, Helensburgh. 



Messrs. Charles Macfie, 12 Wellfield Terrace, Springburn, and 

 Robert C. Smith, 2 Golfhill Terrace, were elected Associates. 



The Secretary (Mr. Boyd) read extracts from the report of 

 the Conference of Delegates of Corresponding Societies of the 

 British Association, held at Bath on 11th September last. 

 These included important suggestions by Professors Bayley 

 Balfour and Bower on method in studying the life-histories of 

 plants, and by Professor Hillhouse on the causes of disappear- 

 ance of certain native plants from their local haunts. 



The Chairman, as Convener of the Lectures Committee, 

 reported that the first lecture of the course had been delivered 

 on 13th inst. by Professor J. Cossar Ewart, M.D., F.R.C.S.E., 

 F.R.S.E., F.L.S., Edinburgh University, the subject being "The 

 Electric Organ of the Skate." The lecture was illustrated with 



t Transactions, vol. lii., p. 42. 



