54 BKACHIOPODA. 



Leptaena tenuicincta (McCoy), F. McCoy, A. M. N. H. scr. 2, 

 VIII (1851), p. 401, and Contrib. Brit. Pal. (1854), p. 223, aud 

 Brit. Palffioz. Foss. (1852), pi. i H, f. 40, 40 a—c, p. 239. Bala 

 Beds; Gefn-grugos, Llanfyllin. 



L. tenuissime-striata, F. McCoy, Brit. Palaeoz. Foss. (1852), pi. i H, 

 f. 44, 44 a—c, p. 239. T. Davidson, Brit. Foss. Brach. in, 

 part vii (1871), pi. xlix, f. 22, p. 330. L. sei-icea, Sowcrby, 

 Salter, Cat. (1873), pp. 36, 64. Llandeilo Beds; Llandeilo. 



L. {Leptagonia^ ungula, v. Strophomena ungula. 



L. sp., Salter, Cat. (1873), p. 36. L. quinquecostata, 'large de- 

 pressed variety,' F. McCoy, Brit. Palaeoz. Foss. (1852), pi. i H, 

 f. 32, p. 236. Lowei- Bala ; Colmonell, Girvan. 



Iiingula beani ?, Phillips, T. Davidson, Brit. Foss. Brach. iv 

 (1876), pi. ix, f. 14, p. 78. Dogger Sands; Blue Wyke. Leckenby 

 Collection. 



L. curta?, Conrad, F. McCoy, Brit. Palaeoz. Foss. (1852), p. 251. 

 T. Davidson, Brit. Foss. Brach. iii, part vii (1866), pi. iii, f. 33, 

 p. 52. Llandeilo Beds ; Welljield, near Builth. 



L. davisi, v. Lingulella davisi. 



L. latior, F. McCoy, A. M. N. H. ser. 2, x (1852), p. 429, and 

 Contrib. Brit. Pal. (1854), p. 256, and Brit. Palasoz. Foss. (1855), 

 pi. iii D, f. 33, p. 475. T. Davidson, Brit. Foss. Brach. ii, part v 

 (1863), pi. xlviii, f. 37, p. 210. Carboniferous Limestone; 

 Derbyshire. 



L.? lesueuri, Rouault, T. Davidson, Brit. Foss. Brach. iv (1881), 

 pi. xl, f. 17, 19, p. 361. Fig. 17 from the Budleigh Salterton 

 Pebble bed, presented by W. Vicary, Esq. Fig. 19 from the 

 Drift, Ladypool Lane, Birmingham, presented by F. T. S. 

 Houghton, Esq. 



L. longissima?. Pander, F. McCoy, Brit. Palaeoz. Foss. (1852), 

 p. 253. T. Davidson, Brit. Foss. Brach. in, part vii (1866), 

 pi. iii, f. 30, p. 51. Bala Limestone; Mynydd Fron Frys, west 

 of Chirk. 



L. obtusa ?, Hall, F. McCoy, Brit. Pateoz. Foss. (1852), p. 253. 

 T. Davidson, Brit. Foss. Brach. in, part vii (1866), pi. iii, f. 31, 

 p. 52. Llandeilo Beds ; Llandeilo. 





