( 621 



INDEX 



TO VOLUME XIII. 



Adams (J.)- On the Germinatiou of the 

 Seeds of some Dicotyledons, 467. 



Amount of Kadinm Emanation in the Soil 

 and its Escape into the Atmosphere (Jolt 

 and Smyth), 148. 



Arber (E. A. Newell). Contributions to 

 our Knowledge of the Floras of the Irish 

 Carboniferous Rocks ; Part I. — The 

 Lower Carboniferous (Carboniferous 

 Limestone) Flora of the Ballycastle 

 Coalfield, County Antrim, 162. 



Award of the Boyle Medal to Professor 

 John Joly, m.a., sc.d., I'.k.s. , April 25, 

 1911, 142. 



to Sir Howard Grubb, f.r.s., April 



16, 1912, 288. 



Bolhodendron {Gyclostigma) killorkense, 

 Haughton, sp. (Johnson), 500. 



Boyle Medal, see under Award. 



Brown (W.). Mechanical Sti-ess and 

 Magnetisation of Nickel (Part II.), and 

 the Subsidence of Torsional Oscillations 

 in Nickel and Iron Wires when subjected 

 to the Iniuence of Longitudinal Magnetic 

 Fields, 28. 



Changes in the Osmotic Pressure of the 

 Sap of the Developing Leaves of Syringa 

 vulgaris (DrsoN and Atkins), 219. 



Considerations and Experiments on the 

 supposed Infection of the Potato Crop 

 with the Blight Fungus [Pliytophthora 

 infeslans) by means of Mycelium derived 

 directly from the planted Tubers 

 (Pethtbeibge), 12. 



Contributions to our Knowledge of the 

 Floras of the Irish Carboniferous Eooka 

 (Aeber), 162. 



SOIENT. PBOO. B.D.S., VOL. XIII., INDEX. 



Dixon (Henry H.). A Thermo-Electric 



Method of Cryoscopy, 49. 

 Dixon (Henry H.) and W. R. G. Atkins. 



Changes in the Osmotic Pressure of the 



Sap of the Developing Leaves of Syringa 



vulgaris, 219. 

 ■ Osmotic Pressure in Plants. I. — 



Methods of Extracting Sap from Plant 



Organs, 422. 

 Osmotic Pressure in Plants. II. — 



Cryosoopio and Conductivity Measure- 

 ments on some Vegetable Saps, 434. 

 Variations in the Osmotic Pressure 



of the Sap of Ilex Aquifolium, 229. 

 Variations in the Osmotic Pressure 



of the Sap of the Leaves of Hedera Helix, 

 239. 

 Dowling (John J.). Steady and Turbulent 

 Motion in Gases, 375. 



Fenton (E. G.). Notes on Recent Pampa 



and other Formations in Patagonia, 



600. 

 Fletcher (Arnold L.). The Melting Points 



of some of the Rarer Minerals, 443. 

 A Refined Method of obtaining 



Sublimates, 460. 

 Forhesia cuncellata, gen. et sp. nov. 



(Sphenopteris sp., Baily) (Johnson), 



177. 



Germination of the Seeds of Some Dicoty- 

 ledons (Adams), 467. 



Grubb (Sir Howard). Improvements in 

 Equatorial Telescope Mountings, 223. 



Heterangium hihernicum, sp. nov. ; A 

 Seed-bearing Heterangium from County 

 Cork (Johnson), 247. 



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M0V2S 1913 



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