PROCEEDINGS OF THE SOCIETY. 131 
ge ee Bee 
members of the Society should communicate with him from time 
_ to time regarding the books most urgently required. 
Professor Thomas King reported on excursions made to John- 
stone Castle on Ist inst., and Mugdock on 15th inst. 
Mr. Henry M‘Culloch exhibited an American Bittern (Botauwrus 
lentiginosus, Mont.) recently captured on board s.s. California 
when crossing the Atlantic. 
Mr. John Smith, Corresponding Member, submitted specimens 
of Reseda alba, Linn., Medicago falcata, Linn., and Melilotus 
officinalis, Linn., all gathered by him in the neighbourhood of 
Kilwinning. It was stated that the last-mentioned species had 
been found in remarkable luxuriance, one plant measuring about 
8 feet in height. 
Professor King showed specimens of Tamus communis, Linn., 
and numerous other plants from Wolverton, Buckinghamshire. 
Mr. George Russell exhibited a male specimen of Catasetum 
tridentatum, Hook., in fine bloom, and stated that this orchid, 
which is a native of Demerara, seldom produces its flowers in 
Britain. He read the account of this plant, given by Darwin in 
his work on the Fertilization of Orchids, and drew attention to 
the remarkable arrangement of the pollen-masses. 
Mr. Peter Ewing exhibited specimens of Ceterach officinarum, 
Willd., from Orchardtown Tower, Kirkcudbrightshire ; Woodsia 
_ ilvensis, R. Br., from the neighbourhood of Moffat, where it is 
_ reported to be now becoming very rare ; and, for comparison with 
_ the latter plant, Woodsia hyperborea, R. Br., from the neighbour- 
_ hood of Killin. 
_ Mr. John Smith, Corresponding Member, submitted a paper on 
the occurrence of the Clouded-yellow Butterfly (Colias edusa, 
_ Fab.) in Ayrshire (see page 35). 
> 
297TH NovemBer, 1892. 
Mr. R. S. Wishart, M.A., Vice-President, in the chair. 
Mr. D. A. Boyd referred to the loss which the Society had 
sustained through the death of Mr. D. Corse Glen, C.E., F.G.S. 
He moved, and it was unanimously agreed, that a memorial 
notice of Mr. Glen should be recorded in the minutes, and that 
the Secretary should be directed to express to Mr. Glen’s family 
