bee, 1 

 1916 J 



Sutton, A Sketch oj the Keilor Plains Plora. 



ii3 



the Kilmore " geocol." This point, about 1,200 feet above 

 sea-level and exactly on the 30-mile line, is of some interest 

 in connection with plant distribution (see " Australia : Physio- 

 graphic and Economic," by Griffiths Taylor, Proc. Linn. Soc. 

 of N.S.W.s xxxi., p. 225). Excepting the extruding or un- 



SKETCH MAP OF BASALT FLOWS WEST 



MELBOURNE. 



submerged rocks above mentioned, and something more than 

 a score of low hills, the surface, taken as a whole, is a plain. 

 The hills he mostly in the northern part of the area, mainly 

 along the road from Digger's Rest to Gisborne, and almost all 

 are considered to have been volcanic vents. Over broad spaces 

 the surface, where it is not boulder -strewn, is quite fiat, and 

 gradually rises from the coast to a height of 464 feet at Par wan, 

 and to just over 1,200 feet at Riddell and the geocol. In places 



