186 Proceedings of the Royal Society of Victoria. 



unaltered sediments gives us sufficient grounds for considering 

 the metamorphic rocks of North-eastern Victoria to be not older 

 than Ordovician. 



My thanks are due to Sir Frederick McCoy for allowing me 

 access to several papers on graptolites, which are not to be 

 found in any of our Victorian libraries ; and also to Mr. W. H. 

 Ferguson of the Geological Branch of the Mines Department, 

 who collected the fossils I have examined. 



