MOORE — OX NEW BRACHIOPODA, ETC. 
193 
TABULAR VIEW OF ADDITIONS TO BRITISH SECONDARY BRACHI- 
OPODA DISCOVERED BY THE AUTHOR, WITH THEIR STRATIGRA- 
PHICAL DISTRIBUTION, CContinued.J 
Genera axd Species 
Thecididcs 
Thecideum Bouchardii 
Deslongchampsii 
Dicksonii 
duplicatum 
Forhesii 
granulosum 
Moorei 
ornatum 
pygriKBum 
rusticum 
serrahim 
septatum 
triangularis 
Zellania Davidsonii 
glohata 
Lahoucherei 
liasiana 
oolitica 
Authority. 
Davidson . . 
Davidson . . 
Moore 
Moore 
Moore 
Moore ... . 
Davidson . . 
Moore 
Moore 
Moore 
Moore 
Moore 
D'Orbigny 
Moore 
Moore 
Moore 
Moore 
Moore 
EXPLANATION OF PLATE II. 
Fig. 1, Thecideum o-rnatum, Moore. Exterior of perfect sheU enlarged. 
2. . Interior of ventral valve, showing raised oval pro- 
cesses and septum. 
3. . Interior of small valve, much enlarged, showing 
the serrated septum and the deHcate loop for the support of the 
branchial membrane. 
Fig. 4. Thecideum pygmceumy Moore. Perfect shell much enlarged. 
5. . Interior of ventral valve. 
6. . Interior of dorsal valve, ditto. 
7. . Pi-ofile of perfect shell. 
8. Crania canalis, Moore. Exterior of upper valve somewhat enlarged. 
9. . Young sheU before possessing spinose expansions. 
10. . Enlarged restoration of interior of valve, sho^\'ing the 
muscular impressions and the grooved form of the spines. 
11. Crania Saundersii, Moore. Exterior of shell. 
12. . Interior of valve, giving the position and fonn of the 
muscular impressions. 
13. Crania Ponsortii (?), Eug. Deslongchamps. Exterior of valve. 
14. . Interior of ditto. 
15. Discina DundHensis, Moore. Enlarged exterior of shell. 
16. orbicularis, Moore. Exterior of valve enlarged. 
17. . Interior of ditto. 
18. . Block, with specimens of natui'al size. 
VOL. IV. Y 
