SCIENTIFIC PROCEEDINGS— conzfrnwerf. 



18. Forbesia cancellata, gen. et sp. nov. (Sphenopteris, sp., Baily). By 

 T. Johnson, d.sc, f.l.s. (Plates XIII. and XIV.) (January, 1912.) Is. 



14. The Inheritance of the Dun Coat-Colour m Horses. By James 'Wilson, m.a., b.sc. 



(January, 1912.) Is. 



15. On the Vacuum Tube Spectra of the Vapours of some Metals and Metallic 



Chlorides. Part I. — Cadmium, Zinc, Thallium, Mercury, Tin, Bismuth, 

 Copper, Arsenic, Antimony, and Aluminium. By James H. Pollok, d.sc. 

 (Plates XV. and XVI.) (February 21, 1912.) Is. 



16. Changes in the Osmotic Pressure of the Sap of the Developing Leaves of 



Syringa vulgaris. By Heney H. Dixon, so.d., f.b.s., and W. R. G. Atkins, 

 M.A. (February 21, 1912.) 6d. 



17. Improvements in Equatorial Telescope Mountings. By Sik Howabd Gkubb, 



F.R.S. (Plates XVII.-XIX.) (March 26, 1912.) Is. 



18. Variations in the Osmotic Pressure of the Sap of Ilex aqtiifolium. By 



Heney H. Dixon, so.d., f.e.s., and W. R. G. Atkins, m.a., a.i.c. (April 9, 

 1912.) 6d. 



19. Variations in the Osmotic Pressure of the Sap of the Leaves of Hedera helix. 



By Heney H. Dixon, so.d., f.b.s., and W. E. G. Atkins, m.a., a.i.c. (April 

 9, 1912.) 6,^. 



DUBLIN : PRINTKl) AT CHE UNITERSITY VKliSS BY I'ONSONBY AND GIBBS. 



