170 
Case and 
Column of 
Drawers. 
Reference to McCoy’s 
Synopsis: and Figures of Genera. 

Geé6 
Ge6 
Ge 
Ge6 
Ge 

Pl. 11, fig. 4, p. 263. 
PL 11, fig. 21. 
M. Nillsoni, p. 267. 

Nucula, p. 285. 
yo 

SILURIAN, 

Names and References; Observations, &c. 


Pterinea tenuistriata, McCoy. 
Modiolopsis gradatus? Salter (Mem. 
Geol. Surv. Vol. 11. pt. 1, p. 363, pl. 
20, figs. 3—5.) 
Modiolopsis, sp. Small transverse sp. 
Ambonychia, Hall, Pal. N. York, 
Vol.1. [Differs from Pterinea and 
Avicula by the short hinge-line and 
no anterior wing, and from Jnoce- 
ramus by the absence of transverse 
pits in the hinge. ] 
Ambonychia striata, Sow. sp. allied to 
Lunulucardium (Cardiwm, Sil. Syst. 
t. 6, fig. 2). 
Ambonychia acuticostata, McCoy. 
Cardiola interrupta, Brod. 
2nd ed. pl. 23, fig. 12). 
(Siluria, 
Orthonotus semisulcatus, Sow. sp. (J/o- 
diola, Sil. Syst. p. 617, t. 8, fig. 6). 
Orthonotus undatus? Sow. (Siluria, pl. 
23, fig. 4). 
Cuculella coarctata, Phill. (Mem. Geol. 
Surv. Vol. 1. pt. 1, p. 366). 
Ctenodonta anglica, D’Orb. (Siluria, 
3rd ed. pl. 23, fig. 10). 


Numbers and Localities. 

a. 951, Cwm Craig ddu; 
b. 912, Park Lane,  Llan- 
deilo. 
a. 943, Dudley, F.C. 
b. 901, Dudley, F.C. 
b. 902, above Park Lane, 
Llandeilo; b. 903, Garden 
Quarry, Aymestry. 
a. 949, Dinas Bran, Llan- 
gollen, or Wenlock Shale. 
b. 904, Leintwardine ;_ b. 
905, Dudley; b. 906, Yr- 
Allt, Welchpool; b. 907, 
Cwm Craig ddu, Builth; 
b. 908, Mynydd-y-gaer ; b. 
909, Sugar Loaf, Llando- 
very. 
a, 946, Dudley, F.C. 
a. 947, Dudley, F.C. 
b. 913, Dinas Bran. 
b. 914, High Thorns, Un- 
derbarrow. 
