262 
Proceedings of the Royal Society of Edinburgh. 
Special Subscription Fund, 201, 208. 
Spring Frosts, T. B. Franklin, 10-22. 
Stephenson (J.). Awarded Keith Prize, 1917— 
19, 205. 
Stevenson (D. A.). Obituary Notice of Sir 
John Jackson, 182-184. 
Subscription Fund, Special, 201, 208. 
Tait (John). Awarded Neill Prize, 1917-19, 
206. 
Thermometer Screens, by John Aitken, 172-181. 
Thomas (H. H. ). Petrographical Notes on 
Rocks from Deception Island and Roberts 
Island (South Shetlands), the Danco Coast 
and Adjacent Islands, Grahamland. ( Title 
only), 204. 
Thompson (J. M‘L.). New Stelar Facts and 
their Bearing on Stelar Theories for the 
Ferns. ( Title only), 204. 
j Transactions Papers, Index, 1919-20, 263. 
Tyrrell (G. W.). Contribution to the Petro- 
graphy of the South Shetlands, the Palmer 
Archipelago, and the Danco Coast, Graham- 
land. {Title only), 204. 
Vectors, Identities among Seven, by F. L. 
Hitchcock, 129-139. 
Waters (E. Wynston), Obituary Notice of, 9. 
Westergaard (R. L. A. E.), Obituary Notice of, 
194-195. 
Wilson (John H.), Obituary Notice of, 195. 
X-Rays, The Absorption of, by R. A. Houstoun, 
34-42. 
Note on the Scattering of, by R. A. 
Houstoun, 43-50. 
