VOL. XVI. (2) PARIS—ECHINOIDS 143 
NOTES ON SOME ECHINOIDS 
FROM THE LIAS OF WORCESTERSHIRE, 
GLOUCESTERSHIRE AND SOMERSET 
BY 
E. TALBOT PARIS 
CONTENTS 
I.—Introduction. 
Il.—Remarks on the Specimens examined. 
1.—Introduction 
The following notes have been drawn up at the sug- 
gestion of Mr L. Richardson, F.R.S.E., and are based on a 
considerable number of specimens that have been obtained 
by him and by Mr J. W. Tutcher, of Bristol, from the 
Lias of the counties of Worcestershire, Gloucestershire, 
and Somerset. 
The list of echinoids given in the first column below is 
derived from “ The Jurassic Rocks of Britain—The Lias,” 
Memoirs of the Geological Survey, Vol. III. (1893), pp. 
369-370, and will show at a glance what species have 
been found in the Lias of this country. The asterisks in 
the second column indicate those few named species that 
have come under my observation from the counties re- 
ferred to. In the-third column, the date of existence of 
the species is given. If the precise hemera is known, 
it is stated unenclosed by brackets ; if almost for certainty, 
