BRACHIOPODA. 51 



Atrypa triangularis, v. Rhynchonella acuminata var. mesogona. 



A. unguiculus, v. Spirifera urei. 



Camarophoiia globuUna (Phillips), T. Davidson, Brit. Foss. 

 Brach. il, part v (1861), pi. xxiv, f. 17, p. 115. Hemiihyris 

 longa, F. McCoy, A. M. N. H. ser. 2, x (1852), p. 425, and 

 Contrib. Brit. Pal. (1854), p. 252, and Brit. Pateoz. Foss. (1855), 

 pi. iii D, f. 24, 24 a — c, p. 440. Carboniferous Limestone; 

 Derbyshire. Presented by W. Hopkins, Esq. 



C. ? laticliva, F. McCoy, Brit. Palaeoz. Foss. (1855), pi. iii D, f. 20 



a — c, 21, p. 444. T. Davidson, Brit. Foss. Brach. II, part iii 

 (1861), pi. XXV, f. 11, a, b, 12, p. 116. Carboniferous Limestone. 

 Figs. 20 (McCoy) and 11 (Davidson) from Derbyshire, presented 

 by W. Hopkins, Esq. Figs. 21 and 12 from Lowick. 



Chonetes buchiana, De Koninck. Leptcena (Chmietes) crassistria, 

 F. McCoy, Brit. Palasoz. Foss. (1855), pi. iii H, f. 5, 5 a, p. 454. 

 Carboniferous Limestone; Derbyshire. Presented by W. Hop- 

 kins, Esq. 



C. hardrensis, Phillips, T. Davidson, Brit. Foss. Brach. ii, 

 part V (1863), pi. xlvii, f. 24, p. 188. Leptcena {Chonetes) 

 subminima, F. McCoy, A. M. N. H. ser. 2, X (1852), p. 428, and 

 Contrib. Brit. Pal. (1854), p. 255, and Brit. Palaeoz. Foss. (1855), 

 pi. iii D, f. 31, p. 456. Carboniferous Limestone; Derbyshire. 



C. polita, McCoy, T. Davidson, Brit. Foss. Brach. Ii, part v (1863), 

 pi. xlvii, f. 10, p. 190. Leptcena (Chonetes) polita, F. McCoy, 

 A. M. N. H. ser. 2, x (1852), p. 427, and Contrib. Brit. Pal. 

 (1854), p. 254, and Brit. Palaeoz. Foss. (1855), pi. iii D, f. 30, 

 p. 456. Carboniferous Limestone; Lowick. 



Crania antiquior [Jelly MS.], T. Davidson, London Gcol. Journal, 

 part iii (1847), pi. xviii, f. 21—25, p. 115, and Brit. Foss. 

 Brach. i, part iii (1851), pi. i, f. 4—8, p. 11. Great Oolite; 

 Hampton Cliffs, near Bath. Walton Collection. 



C. divaricata (McCoy), T. Davidson, Brit. Foss. Brach. in, 



part vii (1866), pi. viii, f. 7, 8, p. 78. Pseudocrania divaricata, 



F. McCoy, A. M. N. H. ser. 2, viii (1851), p. 388, and Contrib. 



- Brit. Palffiont. (1854), p. 210, and Brit. Palaoz. Foss. (1852), 



 pi. i H, f. 1, 1 a, 2, 2 a, p. 187. Middle Bala; Bryn-melyn, 



R near Bala. 



