﻿PLATE XXV. 



Fig. 



1. Cirrus Calisto, d'Orbigny, Murchisonse-zone, Coker. My Collection (Buckinan). 



(Page 312.) 



2. Cirrus varicosus, sp. nov. x If. Oolite-Marl or Pisolite of the Nailsworth 



district. My Collection (Wright). (Page 313.) 



3. Cirrus Leachi, Sowerby, rugose variety. Murchisonse-zone, Mapperton. My 



Collection. (Page 308.) 



4. The same. Variety with small umbilicus. Murrhisonse-zone, Bradford Abbas. 



My Collection. 



5. Cirrus Leachi, Sowerby, ornaments finer and closer. March i 'son x-zone, 



Bradford Abbas. My Collection. 

 C. Cirrus nodosus, Sowerby. Murchisonse-zone, Coker or Stoford. My Collection. 

 (Page 313.) 



7. Discohelix Cotswoldise, Lycett. X 2. Oolite-Marl or Pisolite of the Nailsworth 



district. My Collection (Wright). (Page 316.) 



8. Discohelix spinosus, Wright, MS. Slightly enlarged. Concavus-bed, Bradford 



Abbas. Woodwardian Museum. (Page 317.) N.B. — This species 

 attains to a considerable size ; one specimen in my Collection has a 

 diameter of 44 mm., which is very much larger than any other species 

 of Discohelix or Straparollus from the Inferior Oolite of this country. 



9. Straparolhis pulchrior, sp. nov. Murchisonse-zone, Mapperton. My Collection. 



(Page 318.) 



