IV. CONTENTS. 



PART II. 



(Issued December 22nd, 1891.) 



PAGE 

 On the Occurrence of Barite (Barytes) in the Hawkesbury Sandstone 



near Sydney. By H. G. Smith, Technological Museum, Sydney... 131 



Notes on Australian Economic Botany. No. n. By J. H. Maiden, 



F.L.S., F.C.S 133 



On the occurrence of a Gum in Echinocarpus (SloaneaJ Australis, 



Beitfh. By J. H. Maiden, F.L.S., F.C.S 140 



Onyx and Dipeltis: new Nematode Genera, with a Note on Dorylaimus. 

 ByN. A. Cobb ...143 



In confirmation of the Genus Owenia so-called. By C. W. De Vis, 



M. A, Corr. Mem. (Plate xiii.) 159 



A Contribution to the Geology and Petrography of Bathurst, N.S.W. 



By Rev. J. Milne Curran, F.G.S. (Plates xiv.-xviii.) 173 



Remarks on Post-Tertiary Phascolomyidce. By C. W. De Vis, M.A., 



Corr. Mem. 235 



Description of a new Marine Shell. By C. Hedley, F.L.S., and C. 



T. Musson, F.L.S. (Plate xix., figs. 1-3) 247 



Note on the Ova of Helicarion robustus, Gould. By C. Hedley, F.L.S. 248 



Angophora Kino. By J. H. Maiden, F.L.S., F.C.S 253 



The Incisors of Scejjarnodon. By C. W. De Vis, M.A., Corr. Mem. 



(Plate xxii.) 258 



Contributions to a more exact Knowledge of the Geographical Distribu- 

 tion of Australian Batrachia. No. n. By J. J. Fletcher . 263 



Description of a supposed new Cystignathoid Frog. By J. J. Fletcher 275 



Description of a new Cone from Mauritius. By J. Brazier, F.L.S. 



(Plate xix., fig. 4.) 276 



On Queensland and other Australian Lepidoptera, with Descriptions 

 of New Species. By Thomas P. Lucas, M.R.C.S.E., L.S.A. ... 277 



Elections and Announcements 127,169 



Donations 127, 169, 250 



Notes and Exhibits 166,248,307 



