PAQK 



Art. XV. — Contributions to the Flora of Anstralia, No. 27. By Alfred 



J. EwART, D.Sc, Ph.D. (Plate XVIII.) 367 



XVI. — On the Synthesis of Sugars from Formaldehyde, Carbon 



Dioxide and Water. By Alfred J. Ewart, D.Sc, Ph.D. 379 



XVII. — New or Little-known Victorian Fossils in the National 

 Museum. (Part XXIII. — On some Hydroid Remains of 

 Lower Palaeozoic Age from Monegetta, near Laneefield). 

 By Frederick Chapman, A.L.S., &c. (Plates XIX. and XX.) 388 



XVIII. — On the Growth, Treatment and Structure of some common 

 Hardwoods. By E. T. Patton, B.Sc. (Plate XXL, and 

 seven Text Figures) ... ... ... .... ... 394 



XIX. — The Sand Ridges, Sand Plains and " Sand Glaciers " at Comet 

 Vale in Sub-arid Western Australia. By J. T. Jutson. 

 (Three Text Figures) ... ... ... ... ... 412 



XX. — The Sensitiveness of Photographic Plates to X-rays. By 

 Natalie C. B. Allen, B.Sc, and T. H. Laby, M.A. (Four 

 Text Figures) .. . ... ... ... ... ... 421 



Index ... ... ... ... ... ... ... ... 431 



