PROCEEDINGS, 1917, PART 4 



CONTENTS. 



PAGES 



Rhizopods of Sydney and Lismore. By G. I. Playfair, Science 

 Research Scholar of the University of Sydney. (Plates 

 xxxiv.'-xli. ; and seven Text-figures) ... ... ... ... 633-t)75 



Mesozoic Insects of Queensland. No. 2. The Fossil Dragonfly 

 jEsclinidppsis (y^schva) jlindersieiisis (Woodward) from the 

 Rolling Downs (Cretaceous) Series. By R. J. Tillyard, 

 M.A., B.Sc, F.L.S., F.E.S., Linnean Macleay Fellow of the 

 Society in Zoology. (Plates xlii. -xliii. ) 676-692 



The Geology and Petrology of the Great Serpentine Belt of New 

 South Wales. Appendix to Part vi. The Attunga District. 

 By Professor W. N. Benso.v, B.A., D.Sc, F.G.S., formerly 

 Linnean Macleay Fellow of the Society in Geology. (One 

 Text-figure).. ... 693-700 



Some new Heltromera, and a new Stigmodera from Tropical Aus- 

 tralia. By H. J. Carter, B.A., F.E.S. (Ten Text-figures) 701-719 



Permian and Triassic Insects from New South Wales, in the Col- 

 lection of Mr. John Mitchell. By R. J. Tillyard, M. A., 

 B.Sc, F.L.S., F.E.S., Linnean Macleay Fellow of the Society 

 'in Zoolog3^ (With seventeen Text-figures) ... ... ... 720-756 



On the Chu'tosomathda', with Descriptions of new Species, and a 

 new (4enus from the coast of New South Wales. By Vera 

 A. Ik WIN -Smith, B.Sc, Science Research Scholar in the 

 University of Sydney. Plates xliv. -1. ; and fifty-nine Text- 

 figures) ... .. ... ... .. ... ... ... 7-57-814: 



The Variability of" Cows' Milk. Part i. By H. S. Halcro 

 Wardlaw, D.Sc, Linnean Macleay Fellow of the Society in 

 Physiology'. (Six Text-figures) ... ... ... ... ... 815-865 



The Composition of expired alveolar Air. By Ethel C. Pinker- 

 ton, B.Sc, Science Research Scholar in the University of 

 Sydney ... 866-872 



Donations and Exchanges, 1916-17 873-890 



Title-page ... ... ... ... ... ... ... ... i. 



Contents ... ... ... ... ... ... ... .. iii. 



Corrigenda vii. 



List of new Generic Names... ... ... ... ... .^. viii. 



List of Plates viii. 



Index ... i.-xxviii. 



