Xxxii PROCEEDINGS OF THE 



hard for cutting were softened, and those too soft hardened, he 

 showed how seeds such as those of the date could be fixed securely 

 in the microtome by cutting notches round them before putting 

 them into melted paraffin wax. He also explained a method of 

 fixing small seeds by glueing them to a piece of cork and then 

 pouring in melted paraffin. Mr. Sonntag described the pro- 

 cesses of bleaching, staining, and mounting, and illustrated 

 the last by mounting a section in balsam and another in 

 glycerine. These, along with a number of other objects, were 

 afterwards exhibited by means of an oxyhydrogen microscope 

 lent by Messrs. George Mason & Co. 



18th June, 1889. 



Professor Thomas King in the Chair. 



Mr. Richard M'Kay reported on an Excursion made to Campsie 

 Olen on 15th inst., and submitted a list of 183 plants seen, of 

 which 100 were in flower. Among the more interesting species 

 were the following : Barbarea vulgaris, R.Br., Viola lutea, 

 Huds., type, and var. amcena, Syme ; Geranitim sylvaticum, 

 L., Lathyrus maci-orrhizics, Wimm., Saxifraga hypnoides, L., 

 Paj'nassia palustris, L., Seduin Telephiiini, L., S. villosuni, L., 

 Valeria^ia pyrenaica, L., Crepis paludosa, Mcench, Leontodon 

 officinale, Web., var. palustre, DC. ; Symphyium tuberosum, 

 L., Liixaria Cyinbalaria, Mill., Veronica niontana, L., Rumex 

 sanguineus, L., var. viridis, Sibth. ; Carex remota, L., C curta. 

 Good., C. sylvatica, Huds., Melica uniflora, Retz., Hymeno- 

 phyllum unilaterale, Bory, Asplenium Adiantum-nigrum, L., 

 A. Trichomanes, L., Cystopteris fragilis, Bernh., PolysticJium 

 lobatum, Presl, and Phegopteris polypodioides, F^e. 



Mr. D, A. Boyd reported that 108 mosses had been seen at 

 the excursion, of which the most interesting were Rhabdoioeissia 

 denticulata, Brid., Zieria julacea, Schpr., Cinclidotus fontinah 

 oides, Hedw., Orthothecium intTncatum, Hartm., and Ambly- 

 stegiutn fluviatile, Sw. The following species of Uredinese were 

 also observed: Uromyces alchemillce (Pers.), uredospores (Uredo 

 intrusa, Grev.) on Alchemilla vulgaris ; Puccinia vioke (Schum.), 

 flecidiospores {^cidium viola;, Schum.) on Viola sylvatica; 

 Puccinia pimpinellce (Strauss), secidiospores (^. bunii, DC.) on 

 Meracleum Sphondylium ; Puccinia poaruni, Nielsen, aecidio- 

 spores (^. compositarum. Mart., var. tussilaginis, Pers.) on 

 Tussilago Farfara ; and Puccinia cegopodii (Schum.), teleuto- 

 spores on ^gopodium Podagraria. 



Mr. Henry M'Culloch exhibited an Albino Song Thrush, 

 Turdus musicus, L. 



Mr. Robert Broom, M.B., CM., B.Sc, exhibited a number 

 of teeth illustrating the evolution of the molars of the cow. 



