ECHINODERMATA. 135 



CIDARIS FARRINGDONENSIS, Wright ? 



? Gidaris Farringdonensis, Wright, Cretaceous Echinodermata, 

 Palceontogr. Soc., pi. II., f. 6 8. 



Only a single spine found at Brickhill. Identification un- 

 certain. 



Localities. Brickhill, Farringdon. 



PSEUDODIADEMA FlTTONI, Wright. 



Pseudodiadema Fittoni, Wright, Pal. Soc., British Cret. Echino- 

 derms, p. 90, pi. 15, f. 1. 



Common at Brickhill. 



Localities. Brickhill, Shanklin (Mr Meyer's Coll.), Atherfield, 

 (Cracker Beds, No. 4 Fitton). 



PSEUDODIADEMA ROTULARE, Agassiz. 



Diadema rotulare, Ag. 

 omatum, Ag. 

 macrostoma, Ag. and Desor. 

 dubium, Sharpe. 



Localities. Brickhill, Up ware, Farringdon. 



N. Europe. Achem. Hils formation, Gb'ttingen Museum. 

 S. Europe. Abundant in the central Cretaceous areas of 

 France; Middle Neocomian, also Upper Neocomian. Switzerland: 

 St Croix, Landeron, Hauterive. 



Range. Lower to Upper Neocomian. 



PELTASTES WRIGHTII, Desor. 

 (Plate vii. fig. 10.) 



Salem'a punctata, Forbes (non Desor). 



Hyposalenia Wrightii, Desor. 



Peltastes Wrightii, Wright, Pal. Soc. Brit. Cret. Ech., p. 150, 



pi. xxx., f. 1, 2. 



Localities. Upware, Brickhill (common), Farringdon, Hythe, 

 Atherfield, Sandown. 



