[Proc. Roy. Soc. Victoria, 33 (N.S.), 1921]. 



Art. IV. — The Relationships of the Sedimentary Rocks of the 

 Gisborne District, Victoria. 



By W. J. HARRIS, B.A., and W. CRAWFORD. 



[Read 8th July, 1920.] 



I. AREA DEALT WITH. 

 II. PREVIOUS LITERATURE. 



III. NOMENCLATURE. 



IV. CLASSIFICATION OF ROCKS IN AREA. 



(a) Geological Survey Classification. 



(b) Proposed Revised Classification. . 



V. PHYSIOGRAPHICAL FEATURES. 



VI. LOWER ORDOVICIAN. 



(a) Distribution and Fossils. 



(b) Structure of Area. 



VII. UPPER ORDOVICIAN. 



(a) Distribution and Fossils. 



(b) Relation to Lower Ordoviciaa. 



(c) Summary. 



VIII. RIDDELL GRITS. 



(a) General Survey. 



(b) Field Relations : Critical Localities. 



(c) Fossils other than Graptolites. 



(d) Summary. 



IX. KERRIE CONGLOMERATE. 



(a) Relation to Upper Ordovician and to Riddell Grits. 



(b) Source and Age of the Conglomerate. 



X. TERTIARY GRAVELS. 

 XI. VOLCANIC ROCKS. 

 XII. GENERAL SUMMARY. 

 XIII. ACKNOWLEDGMENTS. 

 XIV. BIBLIOGRAPHY. 



I —Area Dealt With. 



The area dealt with in this paper is roughly rectangular, and 

 includes about 170 square miles. It is bounded on the east by 

 the Sunbury to Lancefield railway, on the north by Mount Mace- 

 don, on the west by Goodman's Creek, and on the south by a 



