PARIS : NOTES ON SOME YORKSHIRE ECHINOIDS. 
215 
Records : — Scarborough Limestone, Cloughton ; Millepore- 
Bed, Ewe Nab and Cloughton. 
Pygaster cf. SEmsuLCATUs (Phillips). 
A large Pygaster which appears to be closely allied to this 
species has been found in the Millepore-Bed at Ewe Nab. P. 
semisulcatus is also recorded from the Millepore Bed by Dr. 
Wright/ and by the Officers of the Geological Survey. 
Rhabdocidaris maxima (Munster). 
Radioles similar to that figured by Wright- under this name 
appear to be of frequent occurrence in the Scarborough Limestone 
at Cloughton. 
Stomechinus intermedius (Agassiz). 
Casts of this echinoid have been procured from the Dogger 
at Glaisdale, near W^hitb}^ 
1 Quart. Journ. Geol. Soc, Vol. XVI., (1860), p. 35. 
2 Monogr. Brit. Fossil Echinodermata., Vol. I. (Supplement), p. 65 ani pi. XII., fig. 11, 
(fig. 10 ii) explanation of plate). Pal. Soc. 
