PLATE II. 



1 a, 1 b. Purpurina calcar, sp. nov. Sowerbyi-bed, Bradford Abbas. My collection. 



(Page 91.) 



2 a, 2 b. P. inflata, Tawney. Parkinsoni-zone. Burton Bradstock. My collec- 



tion. 1 c, apical view. (Page 92.) 

 2d, 2e. The same. Another specimen. Inferior Oolite, Dorsetshire. My collection. 

 2/. The same. Another specimen. I. O., Rodboro' Hill. Jermyn Street 

 Museum. 



3 a, 3 b. P. rotunda, sp. nov. Sowerbiji-bed, Bradford Abbas. Buckman collec- 



tion. 3 c, apical view. (Page 93.) 

 3 d. The same. Another specimen. I. 0., Dorsetshire. Jermyn Street 

 Museum. 



4a,4&. P. tabulata, sp. nov. Sowerbyi-bed, Bradford Abbas. My collection. 

 4 c, apical view. (Page 94.) 



4d, 4e. Var. of P. tabulata. Sowerbyi-bed, Bradford Abbas. My collection. 



5 a, 5 b. P. (Eucycloidea) Manor, D'Orbigny. Parkinsoni-zone, Burton Brad- 

 stock. My collection. X 1£. 5 c, apical view X 3. (Page 95.) 



5 d, 5 e. The same. Another specimen. X 1^. 



5/, hg. The same. Small specimen. X 2. 5 h, aperture X 4. 



6a, 6 b. P. (Eucycloidea) "fusiforme." Inf. Ool. "Yeovil." Woodwardian 

 Museum X 1^. (Page 96.) 



la, 7 b. P. (Eucycloidea) carino-crenata, Lycett. Inferior Oolite. Jermyn Street 

 Museum. X 1^. (Page 97.) 



8 a, 8 6. Brachytrema Wrightii, Cotteau, var. despecta. Parkinsoni-zone, Vitney 



Cross. My collection. X 4. 8 c, basal view. (Page 99.) 



9 a, 9 b. B.sub-varicosum,s]). nov. Lincolnshire Limestone, Great Ponton. British 



Museum. X 4. (Page 98.) 

 10 a 10 b. ? Alaria varicifera, sp. nov. Lincolnshire Limestone. X 4. See also 

 PL VII. figs. 8 a, &c. 



