90 



bella, 34-137; Copidita, 41-305*; For- 

 nax, 40-317*; Lobogethes, 27-23; 

 Monolepta, 41-630*; Neomelanterius, 

 37-195*; Xylophilus, 41-185 



intersecta, Macrotristria, 38*347 



interstitialis, Camptorrhinus, 37'444*; 

 Melobasis, 25-130*; Pycnomerus, 



27131* 



intonsa, Eutorna, 30*42* 



Intraformational breccias and conglom- 

 erates, 44*306 



intricata,-um,-us, Argyroploce, 40*532* ; 

 Balaninus, 28*133*; Diphobia, 41 155*; 

 Dolophones, 39*782* ; Prasophyllum, 

 38-239*, 512 ; var. of Eupoecila aus- 

 tralasiae, 38*154* ; var. of Macro- 

 helodes crassus, 43*249 



Intrusive rocks of Aldgate, petrography 

 of, 33*127; of Broken Hill area, 

 M2*243; of Houghton district, petro- 

 graphy of, 33*118; of Mt. Compass, 

 petrography of, 33 138; of Normanville 

 Gorge and Yankalilla, petrography of, 

 33129 



intrusus, Heteronyx, 34-158* 



inusitatus, Mandalotus, 31*163*; Platv- 

 desmus, 31*272*; Poropterus, 29*228* 



invalida, Peltonyxa, 26*312*; Scala, 

 30148* 



invasa, Turriga, 27*17 



inversus, Parasitus, 40*229* 



invidus, Euryporopterus, Paleticus, 37*304 



involutus, Paxillus, 42*103* 



io, Ceraphron. 38*107 



iobaphos. Oenochroa, 4462 



iobrota, Porthesia, 26*177 



iodo6, Oecophora, 25*94* 



Iodine atid bromine content of a sample 

 of water from Lake Gairdner; by W. 

 Ternent Cooke. 41*39 



Iodis illidgei, submissaria, 30*127 



iodoformis, var. of Psalliota arvensis, 

 42 123* 



iole, Ceraphron, 38*112* 



Ionisation curve of methane; bv Sir W. 

 H. Bragg and W. T. Cooke, 31*111 



Ionisation of gases by alpha particles of 

 radium, 30*1. 116 



Ionisation produced by the impact of 

 solid bodies in air; by Kerr Grant and 

 G. E. M. Jauneey, 36 1 



Ionisation remaining in gases after 

 removal from the influence of the 

 ionising agent; by J. P. V. Madsen, 

 3212 



Ion-proteid theory, 29*6 



Ions, recombination of, in air and other 

 gases, 29-187 



iophaenna, Eublemma, 44*164* 



iosceles, Cincindela, 41*123 



iosoma, Nomoria, 30 129 



iozona, Coesvra, 41*68 



Ipanica, 44*128* 



Iphiersra crypsilopha, 27*73**, melichrysa, 

 26*246*; polyzona, 27*239*; pycnozona, 

 26*246* 



Ipsichora, 30*97; synopsis of Australian 



species of, 30 97 

 Ipsichora desiderabilis, 30*98* ; dupli- 



cata, 30*99*; femorata, 30*97; mac- 



leayi, 3098*; mesosternalis, 30*97* 

 Iptergonus, 32*219*; bifurcatus, 32*219*; 



niveopictus, 32*220* 

 iredalei, Acanthiza, morgani, 39*753; 



Ischnochiton, 44*284 

 iridea, Augomela, 40*411 ; Mordella, 



41-234* 

 iridescens, Caladenia, 44*328* ; Chalcop- 



terus, 37*22*; Deretaphrus, 27*124*; 



Haplonycha, 31*268 

 iridipennis, Haplonycha, 41*508*; Lipa- 



retrus, 29*303 

 iridiventris, Chalcopterus, 37'12 

 iridocosma, Alypophanes, 32*63* 

 Iridomyrmex cyaneus, 39*812*; detectus, 



var. viridiaenus, 39*811 ; discors, var. 



aeneogaster, 39*811* ; gracilis, var. 



spurcus, 39 813* ; rufoniger, 39*812 

 iris, Haliotis, 36*187 

 irisodontes, Phasianotrochus, 38*364 

 Iron ore from Port Lincoln district, 



31*75; from Wadella Springs, 31 "77 

 Iron sulphide from Mootooroo West 



Mine, M2-318 

 Ironstone 'biscuits' at Cape Jcrvis, 



28*305 

 Ironstone near Broken Hill, M2*318 

 Irpex brevis, cingulatum, consors, decur- 



rens, 43*305; sacpiaria, 43*306 

 irrasa,-us, Automolus, 30*285*; Decilaus, 



29 232*; Mandalotus, 35*70*; Pseudo- 



poropterus, 37*246*; Tomyris, 39*190* 

 irregulare,-is, Adelium, 38*401*; Dictyo- 



cyathus, M2*145*; Liparetrus, 41*552; 



Sclerorinus, 38*19; Sph'ocyathus, 



M2-148* 

 irroratu6, Braehysphyrus, 27*160* 

 irrorea, Argvroploce, 40*539* 

 Isabella, Stiltia, 34*251, 38*422 

 isabellina,-us, Achopera, 37*282*; Calo- 



manthus campestris, 39*751, 41*457 

 Isacantha congesta. 32*239; dormesti- 



ventris devmestiventris var. fumigata. 



fascicularis, 32*238; papulosa, 32*239; 



pectoralis, 32238; rhinotioides, 32*239 

 Isachne australis, 35*3 

 Isaphes, 27*136: bicolor, 27*137 

 Isax, 37*415; planipennis, 37*279 

 Ischiopsopha bourkei, 38*144 

 Ischnochiton albinus, arbutum, 44*284; 



atkinsoni, 42-80, 44*275, 280,284; 



atkinsoni lincolnensis, 44*275*, 280, 284; 



auratus. 44*277*; bakeri, 36 169*; 



bednalli, 36*166*; campbelli, 44*281; 



cariosus, 35*96, 36*144; contractus, 



35*97, 36*145, 44*284; crispus, 35*96, 



36*144, 44*273,284: crispus, var. 



decoratus, 44*284 ; decussatus. 35*97, 

 36*146; falcatus, 42*81; fruticosus, 

 36145; fulvus, 36*149. 44*281; greyi, 

 44*281; -?rvei, 36*149; haddoni, 



35*96. 36*144, 44*273; inquinatus, 



