[Proc. Eoy. Soc. Victoria, 21 (N.S.), Pt. 1.. ]»08.] 



Art. VII. — Notes on the Dolodrook Serpentine Ai-ra a ,,(l 

 the Mt. Wellington Bhyolites, Nortk Gippdand. 



By E. O. THTELE, B.Sc. 



(Geological Iya))oratory, Melbourne University.) 



(With Plate XI.). 



[Read 14th ]May, 1908]. 



I. — Introduction. 

 II. — Position and Access. 

 III. — Previous Literaturk. 

 lY.— The Serpentine Area. 



{a) Physiographical Features. 

 {If) General Geology. 



V. — The Rhyolites and Associated Pvocks of 

 THE Upper Palaeozoic Series. 



I. — Introduction. 

 The following remarks deal with some unfinished observations 

 made in the vicinity of Mt. Wellington, North Gippsland. They 

 have been collected during the past four year.si on short vaca- 

 tion excursions made to this region. As the writer is leaving 

 the State for an indefinite period, it is thought advisable to 

 record the more important features noted, and at the same time 

 to draw attention to j^i'oblems which are still unsolved. 



II. — Fositlon and Access. 



The district examined lies in the vicinity of Mt. Wellington, 

 and occupies a broad belt of rough mountainous country ti) the 

 north of the plains of Mafi'ra and Heyfield. 



Three routes are available for entry from the Gippsland 

 plains, each following an important valley, namely, those of the 

 Macallister, the Avon or the Wonnangatta rivers. No roads 



