BRACHIOPODA. 61 
Rhynchonella wilsoni (Sowerby) var. spheroidalis (McCoy), 
T. Davidson, Brit. Foss. Brach. ur, part vii (1869), pl. xxin, 
f, 10,10 a,b, p. 173. Hemithyris spheroidalis, F. McCoy, A. 
M. N. H. ser. 2, vu (1851), p. 393, and Contrib. Brit. Pal. 
(1854), p. 215, and Brit. Palzeoz. Foss. (1855), pl. iL, f. 4, 4 a, 
b, p. 206. Aymestry Limestone ; Botvylle, near Church Stretton. 
R. sp., Salter, Cat. (1873), p. 140. Wenlock Limestone ; Dudley. 
Fletcher Collection. 
R. sp., T. Davidson, Brit. Foss. Brach. Iv (1874), pl. vin, f. 26. 
Greensand ; Blackdown. 
Seminula ficus, v. Terebratula hastata var. ficus. 
S. juvenis, v. Terebratula sp. 
S. virgoides, v. Terebratula hastata. 
Siphonotreta micula, F. McCoy, A. M. N. H. ser. 2, vit (1851), 
p. 389, and Contrib. Brit. Pal. (1854), p. 211, and Brit. Palzeoz. 
Foss. (1852), pl.i 4, f. 3, 3a, p. 188. T. Davidson, Brit. Foss. 
Brach. 11, part vii (1866), pl. viii, f. 2, 2a, p. 76. Llandeilo 
Beds ; Pen-cerrig, near Builth. 
Spirifera costata, v. Spirifera speciosa. 
S. disjuncta, v. Spirifera verneuili. 
Spirifera duplicostata, Phillips, T. Davidson, Brit. Foss. Brach, 
I, part v (1858), pl. iv, f. 11 a, b, ¢, p. 24. Spirifera fasciculata, 
F. McCoy, A. M. N. H. ser. 2, x (1852), p. 422, and Contrib. 
Brit. Pal. (1854), p. 249, and Brit. Paleeoz. Foss. (1855), pl. 11D, 
f. 25 a, b,c, p. 416. Carboniferous Limestone ; Derbyshire. 
S. fasciculata, v. Spirifera duplicostata. 
S. gigantea, v. Spirifera verneuili. 
S. grandicostata, v. Spirifera trigonalis. 
S. integricostata, Phillips (? var.), T. Davidson, Brit. Foss. 
Brach. 1, part v (1858), pl. iv, f. 12 a, b, p. 55. S. paucicostata, 
F. McCoy, A. M. N. H. ser. 2, x (1852), p. 423, and Contrib. 
Brit. Pal. (1854), p. 250, and Brit. Palzeoz. Foss. (1855), pl. 111 D, 
f, 26 a, b, p. 420. Carboniferous Limestone ; Derbyshire. 
S, laminosa, v. Spiriferina laminosa, 
