187 



xerampelina, Prometopus, 28*214* ; Rus- 

 sula, 43-276* 



xerophila,-us, Anthicus, 41*580*; Crema- 

 togaster, 39 '810*, var. exigua, 39-811* 



Xerophila pectoralis, 38-482 



Xerotus fuliginosus, 43*292* 



Xestocis, 37*434*; castaneus, 37*435*; 

 niger, 37-434* 



xiphimela, Anerastria, 27*52*, 30*195 



xiphiphora, Hesperilla, 35*130* 



xiphochrysa, Pleurota, 29*108* 



xipholeuca, Nephogenes, 25 89* 



xiphopepla, Eulechria, 44*59* 



xiphosema, Heterobathra, 25*90* 



X-ray phenomena, 44*383 



X-ray. See also Coolidge x-ray tube 



X-rays, secondary, want of symmetry 

 shown by, 32*301 



xuthocrania, Euchloris, 30*127 



Xylaria anisopleura, 43*313; faveolis, 

 hypoxylon, myosurus, 43*314 ; phospho- 

 rea, 43*313 



Xyleutes acontucha, 27*25*; coscinota, 

 27*24; nephocosma, 26*201*; zopho- 

 plecta, 26*202* 



Xyleutis eremonoma, 30*139* 



xylinopis, Epiplema, 27*20* 



xylistis, Byrsoptera, 25*77*; Gastrinopa, 

 27*197*; Sandava, 27*11 



xylomima, Cryptophasa, 30*140* 



Xylonchus eucalypti, 35*177 ; metrosideri, 

 35*178 



Xylonchus, synonym of Stethaspis, 35*176 



xylonota, Zagira, 27*34* 



Xylophilidae, catalogue of species of, 

 41*180 



Xylophilus abundans, 41*185*; acaciae, 

 41*208*; alpicola, 41*184; anthiciceps, 

 41*200*; basicornis, 41*185; brachy- 

 deres, 41*199*; cnemopachys, 41*201*; 

 conspicillatus, 41*188*; decipiens, 

 41*203*; discoater, 41*190*; divisus, 

 41*202*; dolichoderes, 41*198*; flavi- 

 collis, 41*194*; flavocastaneus, 41*195*; 

 fusciventris, 41*205*; glaber, 41*188*; 

 immaculatus, 41*184; incisus, 41*185; 

 interioris, 41 *204* ; interruptus, 41 * 185 ; 

 laterofuscus, 41*205*; leucostictus, 

 41*189*; mediofasciatus, 41*201*; 

 microps, 41*197*; mundus, 41*184; 

 nigriclavus, 41*203*; norfolcensis, 

 41*186*; obliquifasciatus, 41*193*; octo- 

 maculatus, 41*183; pachymerus, 



41*192*; parentheticus, 41*191* ; pectini- 

 cornis, 41*183; pilosicornis, 41*187*; 

 poecilopterus, 41*196*; rufobrunneus, 

 41*207*; rufohumeralis, 41*196*; eynop- 

 ticus, 41*191*; trichomerus, 41*206*; 

 undatus, 41*182 



Xylorycta amphileuca, 26*238*; argyrota, 

 32*116*; basileia, 26*194*; candescens, 

 26*196; cephalochra, 25*83; cirrhodes, 

 28*244*; neomorpha, 26*195, 29*110; 

 parthenistis, 26*237* ; pentachroa, 

 25*83*, 26*195, 30*196; philonympha. 



27*229*, 30*196; rhizophaga, 26*194*; 



spodopasta, 44*67*; stereodesma, 



26*237 ; tetrazana, 25*84*, 26*238 

 xyloscopa, Eudrymopsis, 27*228* 

 xylotrema, Boarmia, 27*29* 

 Xynaea uniformis, 28*123* 

 Xysmatodoma callista, campylota, 27*233* ; 



epichrysa, 27*231*; epitricha, 27*236*; 



euscia, 27*234*; gastromela, 27*236*; 



hemicalyptra, 27*72*; holozona, 27*73*; 



hyalistis, 27*232*; lasiomicra, 27*234*; 



microzona, 27*72*; photidias, 27*236*; 



retinochra, 27*71*; semiota, 27*232*; 



trizona, 27*237* 

 Xysmatodoma, descriptions of new species 



of, 27*216 



Yacca gum, occurrence and method of 

 formation of, 40*1 



Yacka, sarsen stones at, 43*47 



Yalcowinna, gold near, M2*295 



Yalluna, 31*74 



Yankalilla, petrography of intrusive rocks 

 near, 33*129 ; petrology of sedimentary 

 rocks of, 33*133 



Yarowinie, Lake, 41 *411 



Yarrabollinna waterhole, desert sandstone 

 at, 29*87 



Yarrangobilly reserve, 34*291 



Yarroo Station, calcium phosphate beds 

 at, 26*323 



Yatalite, 33*104, 111*, 125 ; near Hough- 

 ton, age of, 33*104 



Yattalunga, native drawings at, 26*208, 

 41*667 



Yellow Cliff, 38/43 



yilgarnensis, Microvalgus, 38*203 



Yoldia randsi, M2*26 



Yorke Peninsula, archaeocyathinae lime- 

 stones of, 28*260, 42*197; cainozoic on 

 east coast of, 36*14; cainozoic pene- 

 planation of, 42*221 ; Cambrian lime- 

 stones of, 42*195; nullipore limestone 

 from, 30*327 ; palaeozoic and pre- 

 cambrian peneplanation of, 42*220; 

 purple slates of, 28*260; river systems, 

 past and present, of, 42*222; strati- 

 graphy of, 42*213; tectonic problems of, 

 42*217 



Yorke Peninsula, southern, archaean of, 

 25*3, 26*274 ; Bay of Biscay country of, 

 25*5; crab holes of, 25*5; dolomitic 

 travertine of, 25*5; elevation of, 25*2; 

 eocene of, 25*3, 4, 26*272 ; eocene lime- 

 stone of, removal by chemical solution, 

 25*4; fauna of lag-oons of, 25*9; flora 

 of salt lagoon district of, 25*7 ; geo- 

 logical features of, 25*3, 26*268; glacial 

 clay of, 25*8, 26*273; glacial evidences 

 of, 26274; Great Salt Marsh of, 25*2; 

 Great Salt Marsh, carbonate of lime at, 

 25*5; gypsum from, 25*6, 31*120; 

 miocene of, 25*3, 26*271 ; origin of salt 

 lagoons of, 25*1, 26*276; perm«->- 



