NATURAL HISTORY SOCIETY OF GLASGOW. Iv 



W^INTER SESSION 1890-91. 



30th September, 1890. 



Mr. Robert Turner, Vice-President, in the Chair. 

 Mr. "W. Adam, 31 Jamaica Street, was elected an Ordinary 

 Member. 



The Chairman reported that the closing Excursion of the 

 Summer Session had been made on 20th inst. to Strathleven, 

 near Dumbarton. The largest trees measui-ed were an Oak 

 (Quercus Robur), 23 ft. 5 in. in girth at a height of 2 feet 6 in. ; 

 an Ash (Fra.viiius e.rcclsior), 12 ft. 2^ in. at 6 ft. ; two Beeches 

 (Fagii.s sylvatica), respectively 15 ft. 5i in. at 5 ft. 6 in., and 14 

 ft. 10 in. at 6 ft. ; a Lime {Tilia Europcm), 16 ft. 2 in. at 4 ft. 6 in. ; 

 a Wych Elm (Uhnus montana), 14 ft. 8 in. at 4^ft. 6 in. ; and a 

 Walnut (Jicglans regia), 11 ft. 3i in. at 3 ft. 



Mr. Robert H. Read, C.E., M.B.O.U., exhibited a very fine 

 series of British Falconidae and their eggs, and a set of beautifully 

 coloured plates of these birds now being published by Lord 

 Lilford. He described the characteristics of the genera and 

 species which occur in Britain, whether as permanent residents 

 or casual visitors, and gave an interesting account of their 

 habits. 



Mr. James Steel showed specimens of Vertigo jnisilla, Mlill., 

 found by him between Cleghorn and Lanark, and stated that 

 this mollusk had previously been only once recorded for 

 Scotland. 



Mr. David Robertson, F.L.S., F.G.S., exhibited a six-rayed 

 specimen of Uraster glacialis, Linn, taken in about six feet of 

 water off the east side of the Castle, Little Cumbrae.* 



Mr. John Renwick reported the occurrence of Lactuca 

 muralis, L., at Clynder, Gareloch. 



Professor Thomas King exhibited fruiting specimens of various 

 plants from the Boat of Garten district, including Vaccinium 

 Vitis-Id(ca, L., Arctostaphylos Vva-ursi, L., Enipetrum nigrum, 

 L., Juniperus communis, L., and Hypjium crista-castrensis, 

 L. ; also branches of Junipenis communis having the terminal 

 buds swollen into a gall through the agency of Hormomyia 

 juniperina, L., a dipterous insect. 



Mr. Johnston Shearer showed an extensive collection of alpine 

 plants gathered last July in the Tyndrum district. 



Mr. William Stewart gave an interesting account of the Con- 

 ference and Excursions of the Cryptogamic Society of Scotland, 



* Transactions, vol. iii., p. 2C9. 



