421 



Phaeopyra, 149. 



Phalaenoides, 125 ; thoracophora, 125, 



Philcbota capnochroa, 62 ; diphracta, 



63; gypsomera, 62; parasema, 63: 



picraula, 63. 

 Phlegetonia, 173. 



Photographic Silver Images, 293. 

 Physiology of the Fly's Intestine, 97. 

 Physurus hicalcaratus, 110. 

 Plagianthus mici'ophyllus, 195. 

 Plantago varia, 196. 

 Plaxiphora albida, 265, 286 ; con- 



spersa, 286 ; costata, 265. 

 Plotheia, 182. 

 Polyachus avientatus, 255 ; dolichog- 



nathus, 255. 

 Polyplacophora, 272, 283. 

 Pomaderris obcordata, 195. 

 Prasophyllum cucullatum, 337 



oyphochilum, 337; ellipticum, 325 



fimbriata, 336 ; gibbosum, 359 



hians, 336; lanceolatum, 323 



macrostachyum, 336 ; Muelleri 



335 ; ovale, 338 ; v. triglochin, 339 



parvifolium, 339. 

 Proceedings, Abstract of, 387. 

 Prodenia, 146. 

 Prometopus, 152. 

 Propatria, 133. 

 Proteuxoa, 134. 

 Pseudocraspedia, 159. 

 Pterigeron cylindriceps, 378. 

 Pterostylis barbata, 342 ; constricta, 



342; Mitchelli, 342: nana, 340; 



pyramidalis, 340 ; recur^ca, 340 ; 



reflexa, 342: revoluta, 342; Sar- 



genti, 342 ; turfosa, 341 ; vittata, 



341. 

 Pumice in Sea Drifts, New Zealand, 



383. 

 Pyrijjnoa, 165. 



Radinocera, 127. 



Radinogoes, 153. 



Radio-active Photograph of Autunite, 

 385. 



Radiograph of a Skull of an Aus- 

 tralian Aborigine, 385. 



Rhyssoplax bednalli, 290; coccus, 

 290 ; corypheus, 290 ; howensis, 291 ; 

 limans, 290 ; oruktos, 265 ; torri- 

 anus, 290; vauclusensis, 290. 



Riddle, A. R., An Adventitious 

 Occurrence of Nautilus pompilius, 

 Linn., with a Short Bibliography 

 on Ocean Currents affecting the 

 Australian Coast, 257 ; An Observ- 

 ation on the Toning of Photo- 

 graphic Silver Images, 293 : Notes 

 on X-ray Phenomena in a Punc- 

 tured "Coolidge" X-ray Tube, 383; 

 "Coolidge" Tube, Radiator Type, 

 for X-ray Work, 384; The 

 Amethystine Colouration produced 

 in Glass by Ultra-violet and X-ray 



Radiation, 384 ; Radio-active Photo- 

 graph of Autunite, 385 ; Radio- 

 graph of a Skull of an Australian 

 Aborigine, 385 ; Exhibits : "Cool- 

 idge" Tube, 388; Electric Lamp, 

 387, 392; Glove, 389; Radiograph 

 of Skull, 388. 



Risoba, 184. 



Robertson, T. B., Studies in Com- 

 parative Physiology. 1, Observ- 

 «,tions on the Physiology of the 

 Fly's Intestine, 97. 



Rogers, R. S., Contributions to Aus- 

 tralian Orchidology, 322. 



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

 A Contribution to the Orchidaceous 

 Flora of Papua (British New 

 Guinea), 110. 



Sarrothripus, 178. 



Sarsen Stones in New Zealand, 383. 



Sea Water, Solvent Effects of, 381. 



Selepa, 179; euryochra, 179. 



Senecio odoratus, 197. 



Sesamia, 149. 



Sideridis, 136; vibicosa, 137. 



Sophta, 168. 



South Australia, Additions to the 

 Flora, 190, 374. 



South Australia, Igneous Rocks of 

 Encounter Bay, 1. 



South Australian Breccias and Con- 

 glomerates, 300. 



South Australian Aborigines' Langu- 

 ages, 76. 



Spathoglottis papuana puberiflora, 

 116. 



Spodoptera, 146. 



Stenochiton cymodocealis, 284 ; pal- 

 lens, 284 ; pilsbryanus, 283 ; poei- 

 donialis, 284. 



Stenopetalum lineare canescens, 193; 

 sphaerocarpum, 193. 



Stictoptera, 174 ; pammecet, 174. 



Stipa horrifoUa, 191. 



Studies in Comparative Phvsiology, 

 97. 



Summer Recess, Occurrences during, 

 379. 



Synatractus variabilis, 199. 



Sypharochiton funereus, 291 ; pelliss- 

 erpentis maugeanus, 266. 



Tarache, 171 ; euschema, 172. 



Tasmania, Chitons of, 263. 



Thalatha, 145. 



Thegalea, 147. 



Thelymitra antennifera, 333; aris- 

 tata, 332 ; canaliculata. 332 ; crinita, 

 332 ; f asciculata, 332 ; flexuosa, 333 

 fuscolutea, 333; ixioides, 332 

 longifolia, 332; stellata, 333 

 tigrina, 333; variegata, 333; vil 

 losa, 333. 



Timora, 129. 



