PREFACE, 
examples of the same species occurring in rocks of the same age in 
Scotland, North Wales, Bohemia, and North America. 
The future Decades will continue the illustration of the fossil 
collections made in the course of the Geological Survey of the 
Colony, which has now been resumed under the care of the Secre- 
tary for Mines, Mr. R. Brough Smyth, the permanent head of the 
Mining Department. 
Frepertck McCoy. 
26th April 1875. 
determined the age of the gold reef-bearing slates of Victoria. I greatly regret that my 
memory should have carried the impression that the G. fruticosus shown me by our friend 
Mr. Panton was the first Graptolite I had seen; but the difference of date is small, and I 
may have counted on Mr. Panton having had his specimens before I had an opportunity of 
determining them. 
[6] 
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