SCIENTIFIC PROCEEDINGS— (JOM^mwerf. 



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



T. Johnson, D.sc, r.L.s. (Plates XIII. and XIY.) (January, 1912. Is. 



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



(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, i By Hekky H. Dixon, sc.d., f.r.s., and W. E. G. Atkins, 

 M.A. (February 21, 1912.) Grf. 



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



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



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



Henry H. Dixon, sc.d., f.r.s., and W. E. G. Atkins, m.a., a.i.c. (April 9, 

 1912.) M. 



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



By Henry H. Dixon, sc.d., f.r.s., and W. E. G. Atkins, m.a., a.i.c. (April 

 9, 1912.) 6d. 



20. Heterangium hibernicum, sp. nov. : A Seed-bearing Heterangium from 



County Cork. By T. Johnson, d.sc, f.l.s. (Plates XX. and XXI.) 

 (April 12, 1912.) Is. 



21. On the Vacuum Tube Spectra of some Metals and Metallic Chlorides. Part 



11. — Lead, Iron, Manganese, Nickel, Cobalt, Chromium, Barium, Calcium, 

 Strontium, Magnesium, Potassium, Sodium, and Lithium. By James H. 

 Pollok, D.Sc. (Plates XXII. and XXIII.) (May 7, 1912.) Is. 



22. The Ultimate Lines of the Vacuum-tube Spectra of Manganese, Lead, Copper, 



and Lithium. By Genevieve V. Morrow, A.E.C.Sc.I. (Plate XXIV.) 

 (May 11, 1912.) Is. 



23. Award of the Boyle Medal to Sir Howard Grubb, f.r.s., April 16, 1912. 



(May 18, 1912.) 6d. 



24. Notes on Dischidia rafflesiaim. Wall., and Dischidia nummularia, Br. By 



A. F. G. Kerb, m.d. (Plates XXV .-XXXI.) (September 30, 1912.) 2s, 



25. Eecherclies Experimentales sur la Densite des Liquides en dessous de 0°. Par 



Jean Timmermans. (October 18, 1912.) 3s. 



26. Steady and Turbulent Motion in Gases. By John J. Dowling, m.a. (Plates 



XXXII. and XXXIII.) (November 16, 1912.) Is. 6d. 



DUBLIN : PBINTKII AT THE UNITEKSITY PKEBS Bit l-ONSONBV ANU OIBKS. 



