SCIENTIFIC PROCEEDINGS. 



VOLUME XIII. 



1. A Seed-Bearing Irish Pfceridosperm, Grossotheoa BoninghjMsi, Kidston 



{Lyginodendron oldhamium, Williamson). By T. Johnson, d.so. f.l.s. 

 (Plates I.-III.) (March, 1911.) Is. 



2. Considerations and Experiments on the supposed Infection of the jPotato Crop 



with the Blight Fungus {Phijtophthora infestans) by means of Mycelium 

 derived directly from the planted Tubers By George H ' Pethybridge, 

 B.sc, PH.D. (March, 1911.) Is. 



3. Mechanical Stress and Magnetisation of Nickel (Part II.), and the Subsidence 



of Torsional Oscillations in Nickel and Iron Wires when subjected to the 

 Influence of Longitudinal Magnetic Fields. By William Brown, b.so. 

 (April 15, 1911). Is.-, 



4. A Thermo-Electric Method of Cryoseopy. By Henry H. Dixon, sen., f.r.s. 



(April 20, 1911). Is. 



5. A Method of Exact Determination of the Continuous Change in Absolute 



Density of a Substance, e.g. Wax, in passing through its Fusion Stage. 

 By William J. Lyons, b.a., a.r.o.so. (lond). (May 16, 1911). Qd. 



6. Eadiant Matter. By John Joly, so.d., f.k.s. (June 9, 1911.) Is. 



7. The Inheritance of Milk- Yield in Cattle. By Jambs Wilson, m.a., b.sc. 



(June 12, 1911.) Is. 



DUBLIN : VRINTKD AT THE UNIVERSITY PRESS BY I'ONSONEY AND GIBBS. 



