SCIENllFIC PROCEEDINGS— cow^mwerf. 



13. 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 in 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 Henky H. Dixon, sc.d., f.r.s., and W. R. G. Atkins, 

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



17. Improvements in Equatorial Telescope Mountings. By Sni Howard Grubb, 



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



nUBLIN : PRINTBI) AT fHR UNIVEKSITY PRESS BY I'ONSONBV AVD GIBBS. 



