382 Dr. T. Wright on new Species of Echinodermata 



of P. tuberculatus he thus describes : "The column differs in its 

 joints, being tliinnei', and their having been covered all over with 

 a more conspicuous muscular coat, which shows itself in nume- 

 rous minute tubercles the result of its conti'action * :" this cha- 

 racter is certainly absent in our fossil. It is distinguished from 

 P. briareus, Mill., P. subangularis, Mill., and P.scalaris, Goldf., 

 by the absence of lateral branches from the rays, and from all 

 others of its Liasic congeners with which we are acquainted in 

 the strength and thickness of the rays themselves. 



Locality and stratigraphical range. — This remarkable Sea Lily 

 was discovered by Mr, il. E. Gavey, C.E., in the Lower Lias of 

 Mickleton Tunnel near Chipping Campden, Gloucestershii-e ; it 

 is imbedded in shale resting on a hard slab of limestone, and was 

 associated with the remains of other Radiata. 



We dedicate this fine Liasic Crinoid to the memory of the late 

 Prof. Goldfuss, whose great work, ' Petrefacta Germanise,' has so 

 much increased our knowledge of the Liasic and Oolitic fauna. 



A Tabular View of the Stratigraphical Distribution of the New Species 

 described in this Memoir. 



* Miller's Crinoidea, p. 65. 



