Fra. 
bo 
J 
8. 
eo) 
PLATE XXV. 
. Cirrus Calisto, VOrbigny, Murchisonx-zone, Coker. My Collection (Buckman). 
(Page 312.) 
. Cirrus varicosus, sp. noy. X 1%. Oolite-Marl or Pisolite of the Nailsworth 
district. My Collection (Wright). (Page 313.) 
. Cirrus Leachi, Sowerby, rugose variety. Murchisone-zone, Mapperton. My 
Collection. (Page 308.) . 
. The same. Variety with small umbilicus. Murchisone-zone, Bradford Abbas. 
My Collection. 
. Cirrus Leachi, Sowerby, ornaments finer and closer. Murchisonzx-zone, 
Bradford Abbas. My Collection. 
. Cirrus nodosus, Sowerby. Murchisone-zone, Coker or Stoford. My Collection. 
(Page 313.) 
. Discohelix Cotswoldix, Lycett. x 2. Oolite-Marl or Pisolite of the Nailsworth 
district. My Collection (Wright). (Page 316.) 
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. 
. Straparollus pulchrior, sp.nov. Murchisone-zone, Mapperton. My Collection. 
(Page 318.) 
