64 BRACHIOPODA. 



and Contrib. Brit. Pal. (1854), p. 235, and Brit. Palaeoz. Foss. 

 (1852), pi. ii A, f. 9, p. 385. Devonian; Polruan, Cornwall. 



Stricklandinia lens (Sowerby), T. Davidson, Brit. Foss. Brach. 

 Ill, part vii (1867), pi. xix, f. 23, p. 161. Pentamerus microca- 

 merus, F. McCoy, A. M. N. H. ser. 2, vm (1851), p. 290, and 

 Contrib. Brit. Pal. (1854), p. 212, and Brit. Palaeoz. Foss. 

 (1852), p. 210, woodcuts. Llandovery Beds; Mandinam, and 

 May Hill 



Stringocephalus burtini, Defrance, T. Davidson, Brit. Foss. 

 Brach. in, part vi (1864), pi. ii, f. 9, 9 a, p. 11. Uncites lewis, 

 F. McCoy, A. M. N. H. ser. 2, vm (1851), p. 483, and Contrib. 

 Brit. Pal. (1854), p. 234, and Brit. Palseoz. Foss. (1852), pi. ii A, 

 f. 6 a c, p. 380. Devonian ; Newton Bushel. 



Another specimen, T. Davidson, ibid. (1864), pi. ii, f. 6, 6 a, b, 

 p. 11. Devonian; Woolborough Quarry, Newton Abbot. Walton 

 Collection. This specimen is missing. 



Strophomena deltoidea (Conrad) var. undata (McCoy), T. 

 Davidson, Brit. Foss. Brach. ill, part vii (1871), pi. xxxix, 

 f. 23, 24, p. 295. Leptcena deltoidea var. undata, F. McCoy, 

 Brit. Palasoz. Foss. (1852), pi. i H, f. 38, 39, 39 a, b, c, p. 234. 

 Middle Bala ; fig. 38 from Llwyn-y-Ci, f. 39, 39 a, b, from 

 Llandeilo,f. 39 cfrom Bryn-melyn, near Bala. 



S. filosa (Sowerby). Orthis filosa, T. Davidson, London Geol. 

 Journal, part ii (1847), pi. xiii, f. 24, p. 62. Wenlock Limestone; 

 Dudley. Fletcher Collection. The specimen cannot be found. 



S. gigas, v. Streptorhynchus gigas. 

 S. nobilis, v. LeptaBna ? nobilis. 



S. pecten (Linnaeus). Orthis pecten, T. Davidson, London Geol. 

 Journal, part ii (1847), pi. xiii, f. 1823, p. 61. Wenlock 

 Limestone; Dudley. Fletcher Collection. The specimens cannot 

 be found. 



S. simulans, F. McCoy, A. M. N. H. ser. 2, vm (1851), p. 403, 

 and Contrib. Brit. Pal. (1854), p. 225, and [Leptama] Brit. 

 Pala3oz. Foss. (1852), pi. i H, f. 33, 34, 34 a, [f. 35 missing] 

 p. 246. T. Davidson, Brit. Foss. Brach. ill, part vii (1871), 



