Fria. 
TAB. XIII. 
1. Modiola semi-nuda, page 70. Mus. Edwards. 
2. 
3. 
4. 
Or 
14 
15. 
2 
2? 
? 
99 
bP) 
2? 
2 
> 
” 
>? 
dorsata, . 65. Mus. Prestwich. 
tenuistriata, py. 73. Mus. Edwards. 
pygmea, p. 70. nf 
dimidiata, p. 64. pA 
eximia, p. 66. “ 
Prestwichii, p. 69. - 
nodulifera, p. 68. 5 
flabellula, p. 67. f 
Mitchelli, p. 68. Mus. Morris. 
sulcata, p. 72. Mus. Edwards. 
? tubicola, y. 73. Mus. Jermyn Street. 
undulata, p. 74. Mus. Geol. Soc. 
4. an imaginary specimen. 
Deshayesu, p. 64. 
dimidiata? (cast of), p. 64. Mus. Brit. 
The lines denote the size of the specimens. 
