oO BRACHIOPODA. 



Brach. in, part vi, (1864), pi. iii, f. 17, p. 17. Upper Devonian; 

 South Devon. 



Athyris expansa (Phillips), T. Davidson, Brit. Foss. Brach. II, 

 part V, (1861), pi. xvii, f. 3, 4, p. 82. Carbmiiferous Limestone ; 

 Settle. Burrow Collection. 



A. globularis (Phillips), T. Davidson, Brit. Foss. Brach. ii, 

 part V (1861), pi. xvii, f. 16, 16 a, b, 17, 17 o, 18, p. 87. Carbo- 

 niferous Limestone ; Settle. Burrow Collection. 



A. gregaria var. trapezoidalis, v. Ath)Tis snbtilita. 



A. lamellosa (L'Eveille), T. Davidson, Brit. Foss. Brach. ii, 

 part V (1861), pi. xvii, f. 6, 6 a, 7, p. 79. Carboniferous 

 Limestone; Settle. Burrow Collection. 



A. obovata, v. Glassia obovata. 



A. subtilita (Hall). A. gregaria, McCoy, var. trapezoidalis, F. 

 McCoy, Brit. Palasoz. Foss. (18.55), pi. iii D, f. 20*, 20* a, b, c, 

 p. 435. Carboniferous Limestone ; Kendal. 



Atrypa cuboides, v. Rhynchonella cuboides. 



A. decussata, v. Athyris concentrica. 



Atrypa desquamata, J. de C. Sowerby, Trans. Geol. Soc. ser. 2, 

 V (1840), pi. Ivi, f. 19. A. desquamata var. compressa, J. de C. 

 Sowerby, ibid. (1840), pi. Ivi, f. 21. Middle Devonian; Ply- 

 mouth. 



A.fallax, v. Rhynchonella pleurodon. 



A. flexuosa, J. E. Marr and H. A. Nicholson, Q. J. G. S. XLIV 



(1888), pi. xvi, f. 20, 20 a, b, p. 725. Lower Skelgill Beds (zone 

 oi A.fleaniosa); Skelgill. Presented by J. E. Marr, Esq., M.A. 



A. hispida, v. Athyi-is concentrica. 



A.? scotica (McCoy), T. Davidson, Brit. Foss. Brach. iii, part 

 vii (1867), pi. xiii, f. 31, 31 a, b, p. 140. Hemithyris hemi- 

 spihcerica (Sowerby) var. scotica, F. McCoy, Brit. Pateoz. Foss. 

 (1852), pi. i H, f. 10, 10 a, b, p. 202. Lower Llandovery; Mullock 

 Quarry, near Oirvan. 



A. striatula, v. Orthis interlineata. 



A. subdentata, v. Rhynchonella subdentata. 



