BRACHIOPODA. 79 
Terebratula obolina, Barrande, 1847, in Haidinger’s Abhandl. 
p. 404. t. 20. f. 9. 
Atrypa obobna, D’Orb. Prod. i. p. 40. 
Fossil. U. Silurian. Bohemia. 
83. Waldheimia? hamifera. 
Shell orbicular, convex, smooth, with very obscure radiating 
strife. Lon, 18, lat. 19 hnes. 
Terebratula hamifera, Barrande, 1847, in Haidinger’s Abhandl. 
p. 417. t. 20. f. 9. 
D’Orb. Prod. i. p. 43. 
Fossil. U. Silurian. Bohemia. 
d. Beak round ; valves sharply plaited. Eudesia. 
Terebratulae costatae, Morris, 1846, Journ. Geol. Soc. p. 385. 
Eudesia (orbicularis). King, 1849, Permian Fossils, 81. 144. 
84. Waldheimia Grayii. B.M. 
Shell suborbicular, ornamented with numerous radiating ribs ; 
ribs unequal, bifurcating and intercalating ; colour reddish yellow, 
becoming deep red at the lines of growth ; dorsal valve rather 
flat; ventral valve convex; beak obtuse, with distinct lateral 
ridges ; foramen very large, incomplete ; deltidia disunited ; loop 
elongated, reflected. Lon. 14, lat. 13, alt. 9 lines. 
Terebratula Grayii, Davidson, May 1852, Ann. Nat. Hist. p. 365 ; 
Zool. Proc. 1852, p. . pi. . f. 1-3. 
Hab. Korea. 
85. Waldheimia Beaumonti. B.M. 
Shell oval, inflated, ornamented with 12-14 elevated, radiating 
plaits, sometimes bifurcating, and crossed by numerous lines of 
growth ; valves equally convex ; beak prominent, nearly straight, 
pointed ; foramen small ; area concave ; deltidium large, trian- 
gular. Lon. 6i, lat. 5, alt. 4 lines. 
Terebratula Beaumonti, D’Arch. 1847, MAn. Soc. G4ol. Fr. ii. 
p. 331. pi. 21. f. 12-14. 
D’Orb. Prod. ii. p. 172. 
Fossil. U. Greensand. Belgium. 
86. Waldheimia Marcousana. 
Shell orbicular, ventricose, with 18-20 sharp radiating plaits; 
valves equally convex, margins dentated ; beak short, curved. 
