CONTENTS OF VOL. X. 
(SECOND SEEIES.) 
PART I. 
(Issued September 9th, 1895.) 
PAGE 
On a new Species of Enteropneusta ( Ptychodera australiensis) from 
the Coast of New South Wales. By Jas. P. Hill, Demonstrator 
of Biology, University of Sydney. (Plates i.-viii.) ... ... 1 
On a Platypus Embryo from the Intra-uterine Egg. By Jas. P. Hill, 
Demonstrator of Biology, and C. J. Martin, M.B., B.Sc. (Lond.), 
Demonstrator of Physiology, in the University of Sydney. 
(Plates ix. -xiii.) 43 
A Review of the Fossil Jaws of the Macropodidce in the Queensland 
Museum. By C. W. De Vis, M.A., Corresponding Member. 
(Plates xiv.-xviii.) 75 
Presidential Address. By Professor T. W. E. David, B.A., F.G.S. 134 
Description of a Flycatcher, presumably new. By C. W. De Vis, 
M.A., Corresponding Member ... 171 
On the Specific Identity of the Australian Peripatus, usually supposed 
to be P. leuckarti, Sanger. By J. J. Fletcher ... ... ... 172 
Description of Peripatus oviparus. By Arthur Dendy, D.Sc, Pro- 
fessor of Biology in the Canterbury College, University of New 
Zealand ... ... ... ... ... ... ... ... ... 195 
Notes on the Sub-Family Brachysceliuce, with Descriptions of New 
Species. Part iv. By Walter W. Froggatt. (Plate xix.) ... 201 
On a Fiddler (Trygonorhina fasciatd), with abnormal Pectoral Fins. 
By Jas. P. Hill, Demonstrator of Biology, in the University of 
Sydney. (Plate xx.) 206 
Office-bearers and Council for 1895 161 
Donations ... 163 
Notes and Exhibits 209 
