FIGS. 
PLATE III. 
la. Malaptera Bentleyi, Morris & Lycett. Collyweston Slate. Jermyn 
Street Museum. (Page 101.) 
1b. Thesame. Anotherspecimen. Impression in gutta percha. My collection. 
lc. 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.) 
3a. Spinigera trinitatis, Tawney. Sowerbyi-bed, Bradford Abbas. My col- 
lection. 3b, part of spire X 3. (Page 103.) 
3c, 3d,3e. The same. Another specimen. Buckman collection. 
Aa, 4b. 
Ac. 
5a. 
5 b. 
56, 0d. 
S. longispina, Deslongchamps. Humphriesianus-zone (? Sauzei-bed), 
Sherborne. Buckman collection. Two specimens. (Page 104.) 
The same. Another specimen. MHumphriesianus-zone, Milborne Wick. 
My collection. 
S. recurva, sp. nov. Parkinsoni-zone, Burton Bradstock Cliff. My col- 
lection. (Page 105.) 
The same. Another specimen. Parkinsoni-zone, Vitney Cross. My 
collection.  X 13. 
The same. Another specimen. Parkinsoni-zone, Upper Loders. 5 e, spire 
x 3. 
. The same. Another specimen. “ Blackrock, Bridport.” Jermyn Street 
Museum. X 13. 5g, whorl X 2. 5h, apical portion of spire X 4. 
. S. didactyla, sp.nov. Sowerbyi-bed, Bradford Abbas. My collection. 
(Page 106.) 
. The same. Another specimen. Buckman collection. 
. The same. Another specimen. Buckman collection. 
. Variety of S. didactyla. ? Bradford Abbas. Jermyn Street Museum. 
6 e, f, g, the same, under three different aspects x 13. 
. S. crassa, sp. nov. NSauzei-bed, Oborne. My collection. (Page 107.) 
