REFERENCES TO THE PLATES. 
4*29 
References to the Plates of the animal remains of 
the gramoacke series. 
It is my object to conclude the present work by refe¬ 
rences to and some additional notes on our interesting series 
of fossils, which the reader will find very faithfully delineated 
in the accompanying tables. I am unwilling to trespass 
longer on my readers attention, feeling that I may have 
already written more than the public will choose to read, 
but as many naturalists are looking eagerly for information 
on the above subject, I am induced to intrude two or three 
additional pages devoted to a classification of those notes 
which I have from time to time made in reference to the 
various specimens which I have collected. 
The whole of the engravings and lithographs in the 
following tables represent the specimens in their natural 
siz^, and the same remark applies to those of the fossil 
bones , and to those of the animals which follow. 
Table 1 represents a series of Turbinolites in slate. 
Figs. 1, 2, 3, are of specimens collected in a roofing-slate 
quarry on the new road near Brixton, though all three 
sorts are to be found in other localities also. Fig. 4 is of 
a large specimen of the Turbinolia which was found to be 
so common in the dense slate at Boveysand by Miss Dixon, 
and afterwards by Miss Hook ; this species likewise is not 
limited to this particular spot, but occurs as I have lately 
discovered at Mudstone near Brixham, in a slate to which 
I can give no other title than clay slate ; it is far more 
sectile and frangible than that which is the matrix of the 
specimens at Boveysand. Of this genus there are besides 
the present, many other species, but as yet I have met with 
no specimens of these in a sufficient state of perfection to 
admit of their being engraved for their indentification by 
