PAL.EONTOLOC IY of the LOYVUR SHOALHAVEN 



RIVER. 



By Chas. F. Las EBON. 



[Communicated by R. T. Baker, F.L.8.] 



[With Plates XV r , XVI. XVII, XVIII, XIX.] 



[Bead before the Royal Society of N. S. Wales, July 6, 1910.' 



Introduction. -The following paloeontological notes have 

 been made entirely from material obtained during the 

 course of an investigation into the nature and relations of 

 the sedimentary rocks of the Lower Shoalhaven River. 1 Of 

 the fossil contents of these formations, it is of course 

 obvious that the efforts of one collector over such a wide 

 area have by no means exhausted the material : but in 

 spite of this, the great variety ami abundance of fossils 

 obtained in some localities prove one at least of the forma- 

 tions to have had a rich and varied fauna. Therefore, 

 while much yet remains to be done before, the list of fossils 

 from the district is in any way complete, it is nevertheless 

 hoped that the present paper will serve as a basis for future 

 work on the subject. 



The collection of fossils here dealt with, is to be presented 

 to the Technological Museum, with the exception of the 

 described specimens of Mytilus (types A and B) and Astur- 

 lihi (types A, B, C, and D), which will be presented to the 

 Mining Museum. 



I must here mention my indebtedness to Mr. W. S. Dun, 

 Paleontologist to the Mines Department, who has, in the 

 preparation of this paper, generously given me the benefit 

 of his large knowledge and fxperimiee. 



