PLATE III. 



FIGS. 



] a. Malaptera Bentleyl, Morris & Lycett. Collyweston Slate. Jermyn 



Street Museum. (Page 101.) 

 16. The same. Another specimen. Impression in gutta percha. My collection. 

 1 c. The same. Another specimen. Impression in gutta percha. My collection. 

 2. M. Bentleyi, var. neglecta. Impression in gutta percha. Collyweston 



Slate. My collection. (Page 102.) 



3 a. Spinigera trinitatis, Tawney. Sowerbyi-hed, Bradford Abbas. My col- 



lection. 3 b, part of spire X 3. (Page 103.) 

 3 c, 3 d, 3 e. The same. Another specimen. Buckman collection. 

 4a,4<b. S. longispina, Deslongchamps. Humphriesianus-zone {? Sauzei-hed), 

 Sherborne. Buckman collection. Two specimens. (Page 104.) 



4 c. The same. Another specimen. Humphriesianus-zone, Milborne Wick. 



My collection. 



5 a. 8. recurva, sp. nov. Parkinsoni-zone, Burton Bradstock Cliff. My col- 



lection. (Page 105.) 



5 b. The same. Another specimen. Parkinsoni-zone, Vitney Cross. My 



collection. X 1|. 

 5 c, 5 d. The same. Another specimen. Parkinsoni-zone, Upper Loders. 5 e, spire 

 X3. 

 5/. The same. Another specimen. " Blackrock, Bridport." Jermyn Street 

 Museum. X 1£. 5 g, whorl X 2. 5 h, apical portion of spire X 4. 



6 a. S. didactyla, sp. nov. Sowerbyi-hed, Bradford Abbas. My collection. 



(Page 106.) 

 6 b. The same. Another specimen. Buckman collection. 

 6 c. The same. Another specimen. Buckman collection. 

 6 d. Variety of S. didactyla. ? Bradford Abbas. Jermyn Street Museum. 



6 e,f, g, the same, under three different aspects X 1^. 

 7. 8. crassa, sp. nov. Sauzei-hed, Oborne. My collection. (Page 107.) 



