PLATE I. 



(All figures natural size, unless otherwise stated.) 



FIGS. 



I a, lb. Purpurina elaborata, Morris & Lycett. Sowerbyi-bed, Bradford Abbas. 



My collection. (Page 85.) 

 1 c, 1 d. The same. Another specimen. Same horizon and locality. Buckman 

 collection. 1 e, same specimen, part enlarged. 

 1/. The same. Another specimen. Lincolnshire Limestone, Weldon. My 



collection. Enlarged, 

 la. The same. Another specimen. Dogger, Blue Wyke. Leckenby collection. 

 2. Pwyurina, species or variety. Sowerbyi-bed, Bradford Abbas. Buck- 

 man collection. (Page 91.) 



3 a, 3 b. P. cancellata, sp. nov. Stoford ? My collection. (Page 87.) 



4 a, 4 6. Purpurina, species or variety. (? Oolite-Marl.) Nailsworth. Jermyn 



Street Museum. (Page 87.) 

 b a, 5 b. P. bellona, D'Orb. Var. with fine ribs. ParJcinsoni-zone, Grove. My 

 collection. (Page 89.) 



5 c, 5 d. The same. Var. with coarse ribs. ParJcinsoni-zone. Vitney Cross. 



My collection. 



5 e, 5/. The same. Another specimen. Same horizon, locality, and collection. 



5 g, same specimen, apical view. 



6 a, 6 b. P. curta, sp. nov. Humphriesianus-zone, Milborne Wick. My collection. 



(Page 90.) 



7 a, lb. P. bellona, var. pagoda. ParJcinsoni-zone, Burton Bradstock. 7 c, apical 



view. (Page 89.) 



8 a, 8 b, 9 a, 9 b. Purpurina; doubtful forms, related to P. pagoda. (Page 89.) 

 10 a, 10 b. P. parcicosta, sp. nov. ? Sowerbyi-bed, Bradford Abbas. My collection. 



(Page 90.) 

 11a, 11 b. P. aspera, sp. nov. Sowerbyi-bed, Bradford Abbas. Buckman collec- 

 tion. (Page 91.) 



II c, 11 d. The same. Another specimen. Same horizon and locality. My collec- 



tion, 

 lie. Large specimen of P. aspera, probably from same place. Jermyn Street 

 Museum. 



