422 



Timotodes, 184. 



Tiracola, 137. 



Tonicia truncata, 291 ; picta, 291. 



Toning of Photographic Silver 



Images, 293. 

 Trachvdora leucodela, 69; vauxilla, 



69. ^ 

 Trachypepla dasylopha, 61. 

 Trichosurus vulpecula typicus, 360. 

 Trilobites, Australian Cambrian, 382. 

 Trissernis, 159. 

 Trogatha, 167. 

 Turner, A. J., A Revision of the 



Australian Noctuidae, 120. 



Ultra-violet Radiation, 384. 



Uncula, 171. 



Upper Torrens Limestone, 312. 



Verco, J. C, Notes on Occurrences 

 during the Summer Recess, 

 1919-20, 379. 



Veronica distans, 196. 



Vocabularies of Four South Aus- 

 tralian Languages, 76. 



Ward, L. K., Exhibit: Minerals, 



392. 

 Westermannia, 188. 

 White, C. T., and R. S. Rogers, A 



Contribution to the Orchidaceous 



Flora of Papua (British New 



Guinea), 110. 

 White, S. A., Exhibits: Birds. 389, 



392 ; Fungus, 388 ; Plates of Birds, 



392. 

 Wilton, J. R., Certain Diophantine 



Problems, 71. 



Xenopseustis, 161. 



X-ray Radiation, 384; Tube, 383. 



Xylorycta spodopaata, 67. 



Zalissa, 156. 



Zietz, F. R., Exhibits: Aboriginal 



Stones, 389; Chaplets, 392;,B^an. 



garoo Bone, 392; Plants, 387, 389, 



393 ; Sepia Bone, 389. 

 Zygophyllum fruticulosum, 194. 



