SUPPLEMENT, PLATE XXXII. 
'CARBONIFEROUS. 
Specimens of which the spiral appendages have been developed by the Rev. 
Norman Glass. See pages 370 — 5. 
Fig. 
1. Spirifera striata, var. Mosquensis, Fischer. Carboniferous Limestone, Lisnapaste, 
Ireland. (P. 274.) 
2. „ pingiiis, var. rotimdata, Sovr. Carboniferous Limestone, Castleton, 
Derbyshire. (P. 274.) 
3 — 5. „ glabra, Martin. Carboniferous Limestone, Castleton. 3 and 5. 
Prom the ventral aspect. 4, From the dorsal one. 
(P. 274.) 
6, 7. „ lineata, var. imbricata. Sow. Carboniferous Limestone, Castleton. 
Fig. 6. Seen from the dorsal aspect ; 6 a, from the ventral ; 
6 b, from the lateral one. 7. From the dorsal aspect. 
(P. 275.) 
8 — 11. „ „ Martin. 8, 9, II. Seen from the dorsal; 10, from ventral 
aspect. Carboniferous Limestone, Castleton. (P. 275.) 
12. „ elliftica, Phillips. One of the spirals only in sitil. Carboniferous 
Limestone, Castleton. (' Carb. Monograph,' p. 63.) 
13. „ trigonali8,^2x\AVi.. Carboniferous Limestone, Canipsie, near Glasgow. 
14. „ oya&j Phillips. Carboniferous Limestone, Castleton ; seen from the 
ventral aspect. (' Carb. Monograph,' p. 53.) 
15. ,5 plaiiata, Phillips. Castleton. (' Carb. Monograph,' p. 26.) 
16. S'p^ingotliyra (Spirifera) cuspidata, Martin, sp. Carboniferous Limestone, 
Castleton, One spiral only in position, the other dis- 
placed. It has not been possible to procure a specimen 
suitable for obtaining the spirals in natural position. 
(P. 280.) 
17. J, subconica, Martin, sp. Carboniferous Limestone, Castleton. 
(P. 281.) 
18. Athp'is Bogssii, JJ'^ve\\\Q. Castleton. (' Carb. Monograph,' p. 84.) 
19. „ lameUosa,V^yQ\\\L Castleton. (' Carb. Monograph,' p. 79.) 
20. „ planosulcaia, Phillips. Castleton. (' Carb. Monograph,' p. SO.) 
Note. — Of course the spiral appendages are always attached to the hinge-plate of the dorsal valve. 
The matrix could not be removed from between the spiral coils. All the developed specimens have been 
liberally presented to me by the Rev. Norman Glass. 
