1906-1907.] 491 



instruction given in the examination of Mosses ; H. C. Marshall, 

 Propagation of British Ferns, &c. ; Professor Gregg Wilson, 

 D.Sc, M.R.I. A., Microscopic Demonstration — Plant Sections, 

 &c. 



Geology. — ^Miss M. K. Andrews, Microscopic Sections of 

 Tertiary Rhyolites from Co: Antrim ; R. Bell, Cephalopoda ; W. 

 Christy, Chalcedony and Opal from, Carnmoney, Fish Teeth 

 from the Cretaceous; A. Duncan, B.Sc, Carboniferous Fossils, 

 &c. ; W. H. Gallway, Chalcedonic Geode from South America, 

 containing globule of water; J. L. S. Jackson, Liassic Fossils 

 from Whitby, Nautilis, Ichthyosaurus, Plant remains, &c. ; J. 

 Strachan, Native Irish Silicas, including Quartz, Chalcedony, 

 Flint, Opal, Hyalite, and Jasper. Intra-Basaltic deposits of 

 Antrim, including Iron Ore, Bauxite, Quartz Crystals in Matrix 

 of Bauxite, Lignite and Lithomarge, specimens of Opal, Hyalite, 

 and Onyx, from Sandy Braes, Co. Antrim ; W. J. C. Tomlinson, 

 Eocene Fossils fro^m Barton, Hants; J. Wright, F.G.S., 

 Foraminifera from gravel pits in the vicinity of Belfast. 



Zoology. — ^John Donaldson, Pond-life (microscopic 

 demonstration) ; Geo. Donaldson, Butterflies, Moths and Beetles 

 from India; N. H. Foster, M.B.O.U., Eggs of Common and 

 Arctic Terns (Sterna fiuviatilis and S. macrura) showing variation 

 in size and colouration ; W. Gray, M.R.I. A., Some forms of 

 Hydrozoa, multiple images in Insect's eye ; W. A. Green, Long- 

 eared Bat from Lough Mourne, Horned Toad from Mexico, 

 Alligator, &c. ; W. H. Gallway, Star-fishes and Sea-urchins, Pipe 

 Fishes; F. M. Greeves, Facsimilies of Eggs of Extinct Birds, 

 carefully imitated from originals — viz., JEpyornis maximus of 

 Madagascar, Dinornis giganteus of New Zealand, Alca impennis 

 or Great Auk,also' Collection of Lithographs of Extinct Animals ; 

 D. E. Lowry, Collection of beautiful Obsidian Flakes and 

 Arrow Heads, &c., made by the Indians of Mexico; 

 H; Malcolmson, Collection of British Birds' Eggs ; H. L. Orr, 

 Some Bees and Wasps and their Nests ; Professor Symington, 

 M.D., F.R.S., Microscopic Sections illustrating the Structure of 

 Nerve Cells and Fibres ; Mrs. Swanston, Collection of Biids 

 from Florida, U.S.A.; S. M. Stears, Glossy Ibis {Plcgadis 



