PLATE XV. 
Fia. 
la. Nerinea (? Ptygmatis) Guisei, Witchell. 1 c. Section of another specimen, 
both from the Clypeus-grit of Rodborough. 14. The same. Figure 
made up of two specimens from Parkinsoni-zone of Clan Down, near 
Radstock. My Collection. (Page 213.) 
2 a. Ptygmatis campana, sp. nov. Lincolnshire Limestone, Belmisthorpe. 2 4. 
Section of a fragment from same place. My Collection. (Page 214.) 
3a. Plygmatis pisolitica, Witchell. Pea-grit, Longfords. 3 4. The same, showing 
apical conditions. Pea-grit, Crickley. 3c. The same. Fragment of 
adult shell, with section. Pea-grit, Longfords. My Collection. (Page 
215.) 
4a. Plygmatis wenos, sp. nov., fig. x2. 46. The same. Section of a fragment, 
natural size. Shell-bed below Lower Limestone, Crickley. My Collec- 
tion. (Page 216.) 
5 a. Ptygmatis bacillus, D’Orbigny. Figure composed of two squeezes, the apical 
portion from Red Post Quarry, the other from Carnicot; both from 
the Parkinsoni-zone of the Radstock District. 56. Thesame. Section 
of partly dissolved shell fragment. Carnicot, x25. My Collection. 
(Page 217.) . 
6 a. Pltygmatis bacillus, var. cervicula. Little Ponton cutting (upper Werinea-bed). 
66. The same. L. L., Weldon. 6c. Section of ? same species, top 
of Freestones, Crickley, x13. My Collection. (Page 218.) 
1. Plygmatis bacillus, var. crassicincta. Pea-grit, Nailsworth Hill. 7 4. Section 
of same specimen. My Collection. (Page 218.) 
8 a. Plygmatis “ bacilloides.”’ Lincolnshire Limestone, Wakerly. 8 4. Section of 
same specimen. My Collection. (Page 219.) 
9 a. Plygmatis Jonesii, Lycett; type refigured. “Freestone, Nailsworth.” 
Jermyn Street Museum. 9 4. The same. Fragment of lower portion. 
Pea-grit, Longfords. My Collection. 9 ¢. ? The same, showing sub- 
apical conditions. Upper Pisolite of Longfords. My Collection. 
(Page 218.) 
10 a. Ptygmatis producta, Witchell, with section. 10 4. The same, showing 
earlier conditions. Both from Pea-grit of Longfords. My Collection. 
10 c. The same; type refigured. Pea-grit, Longfords. Witchell 
Collection. (Page 220.) 
11 a. Plygmatis Oppelensis, Lycett. Oolite Marl, Selsley. Witchell Collection. 
114. Thesame. Oolite Marl, Swift’s Hill. 11 ¢. Section of the above. 
11d. Thesame. Pea-grit, Longfords. My Collection. lle. Section 
of specimen from Swift’s Hill. Witchell Collection. (Page 219.) 
NI 
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