^l^l^ 



TEANSAOTIONS 



ROYAL SOCIETY OF YICTOEIA. 



VOL. II. PART II. 



1891. 



CONTENTS. 



PAGE 



ON THE OCCURRENCE OF THE GENUS BELONOSTOMUS IN THE 

 ROLLING DOWNS FORMATION (CRETACEOUS) OF CENTRAL 

 QUEENSLAND, by R. Etheridge, Junr., Paleontologist to the 

 Geological Survey of New South Wales, Sydney, and Arthur 

 Smith Woodward, F.Z.S., &c., op the Department of Geology, 

 British Museum (Nat. Hist.), London. (Witli Plate 1) - - - 1 



ON THE STRUCTURE OF CERATELLA FUSCA (GRAY), by W. Baldwin 

 Spencer, M.A., Professor op Biology in the University of 

 Melbourne. (With Plates 2, 3, and 3a.) . .... 8 



ADDITIONAL OBSERVATIONS ON THE VICTORIAN LAND 



PLANARIANS, by Arthur Dendy, D.Sc. (With Plate 4) - - 25 



LAND PLANARIANS FROM LORD HOWE ISLAND, by W. Baldwin 

 Spencer, M.A., Professor of Biology in the University op 

 Melbourne. Part I. — Description of Species. (With Plates 5 and 6.) 42 



EDITED BY PROFESSOR W. BALDWIN SPENCER, M.A., HON. SEC. 



■^ MELBOURNE. 

 published for the royal society 

 BY THE SPECTATOR PUBLISHING COMPANY LIMITED, 270 POST OFFICE PLACE 



February, 1892. 



PRICE, Ss. 



