BY W. G. WOQLNOUGH AND T. G. TAYLOR. 



547 



flowing from the north. A tributary, Joaramin Creek, flows 

 northwards into the Wollondilly, entering its right bank. Joara- 

 min Creek and Barber's Creek are almost collinear, and the divide 

 between them is not more than 40 chains wide (fig.l). The Shoal- 

 haven in this part of its course occupies a narrow V-shaped gorge 



Fig.l. — Locality map, showing relations between Shoalhaven and 

 Wollondilly Eivers. 



1,600 feet deep. The plateau is about 2,000 feet above sea-level, 

 so that the bed of the Shoalhaven is only 400 feet above sea-level, 

 and therefore comparatively little above base-level. The bed of 

 the Wollondilly is on the plateau at an altitude of about 2,000 

 feet above sea-level. These facts made us suspect that, originally, 



