BRACHIOPODA. 63 



Spirifera trigonalis (Martin), T. Davidson, Brit. Foss. Brach. 

 ii ; part v (1863), pi. 1, f. 6, 7, p. 222. Carboniferous Limestone; 

 Settle, Yorkshire. Burrow Collection. 



8. grandicostata, F. McCoy, A. M. N. H. ser. 2, x (1852), 

 p. 422, and Contrib. Brit. Pal. (1854), p. 250, and Brit. Palseoz. 

 Foss. (1855), pi. iii D, f. 29 a, b, p. 417. T. Davidson, Brit. 

 Foss. Brach. n, part v (1858), pi. v, f. 38, 39, p. 33. Probably 

 a variety of S. trigonalis (Martin), Davidson, ibid. p. 222, and 

 ibid, iv (1880), p. 276. Carboniferous Limestone; Derbyshire. 



S. urei, Fleming, T. Davidson, Brit. Foss. Brach. Ill, part vi 

 (1864), pi. iv, f. 26, p. 41. Atrypa ungmculus, J. de C. Sowerby, 

 Trans. Geol. Soc. ser. 2, v (1840), pi. liv, f. 8. Upper Devonian; 

 Petherwin. 



S. verneuili, Murchison. S. disjuncta, J. de C. Sowerby, Trans. 

 Geol. Soc. ser. 2, v (1840), pi. liii, f. 8 (Barnstaple), pi. liv, 

 f. 12, 13 (Petherwin). T. Davidson, Brit. Foss. Brach. in, 

 part vi (1864), pi. v, f. 1 (Petherwin), f. 2 (Barnstaple), p. 23. 

 S. gigantea, J. de C. Sowerby, loc. cit. pi. Iv, f. 1 4 (Tintagel). 

 Devonian ; Barnstaple, Petherwin, and Tintagel. 



Spiriferina cristata (Schlotheim) var. biplicata, T. Davidson, 

 Brit. Foss. Brach. n, part v (1863), pi. Iii, f. 11, [12? missing], 

 p. 226. Carboniferous Limestone ; Settle. Burrow Collection. 



S. laminosa (McCoy). Spirifer laminosa, F. McCoy, Brit. Palaeoz. 

 Foss. (1855), p. 426. T. Davidson, Brit. Foss. Brach. n, part 

 v, (1858), pi. vii, f. 21, 22, p. 36. Carboniferous Limestone; 

 Derbyshire. 



Spondylobolus craniolaris, v. Athyris obovata. 



Streptorhynchus gigas (McCoy), T. Davidson, Brit. Foss. 

 Brach. in, part vi (1865), pi. xvi, f. 1, p. 83. Strophomena 

 gigas, F. McCoy, A. M. N. H. ser. 2, vili (1851), p. 485, and 

 Contrib. Brit. Pal. (1854), p. 236. Leptcena (Strophomena) 

 gigas, F. McCoy, Brit. Palseoz. Foss. (1852), pi. ii A, f. 7, p. 386. 

 Devonian ; Looe. 



Streptorhynchus? persarmentosus (McCoy), T. Davidson, 

 Brit. Foss. Brach. in, part vi (1865), pi. xvi, f. 5, p. 84. Orthis 

 persamentosa, F. McCoy, A. M. N. H. ser. 2, vni (1851), p. 484, 



