74 
BBACHIOPODA. 
Terebratula bucciilenta? Zieten, p. 52. pi. 39. f. 6 (not Sow.). 
Terebratula emarginata, Quenst. Handb. p. 471. t. 37.f. 52 (not 
Sow.). 
Fossil. Inferior Oolite. Bavaria. 
63. Waldheimia emarginata. B.M. 
Shell subrbombic, truncated and indented in front ; smaller 
valve flat, sometimes longitutbnally depressed in front ; ventral 
valve convex ; beak slightly recurved ; deltidium distinct ; fora- 
men moderate; loop simple, elongated. Lon. 11, lat. 10, alt. 6 
lines. 
Terebratula emarginata. Sow. 1825, Min. Con. v. p. 50. pi. 435. 
f. 5. 
Deslong. 1837, Soc. Lin. Normandie. 
Davidson, Mon. Ool. p. 35. pi. 4. f. 18-21. 
Fossil. Inferior Oolite. England; Normandy. 
64. Waldheimia humeralis. B.M. 
Shell obovately pentagonal, uddest above the centre, narrow 
in front, depressed, smooth ; dorsal valve rather flat; ventral valve 
convex, ndth an obtuse longitudinal ridge ; beak small, incurved, 
keeled at the sides. Lon. 8, lat. 6|, alt. 4 lines (12^ : 10^ : 7h 
Cambr.). 
Terebratula humeralis, Roemer, 1839, Nordd. Ool. ii. p. 21. t. 18. 
f. 14. 
Bronn, Index, 'g. 1238. 
Fossil. Portland Oolite. Germany. 
65. Waldheimia Waterhousii. B.M. 
Shell smooth, subquadrate, longer than wide ; small valve 
concave in front ; beak small, uith acute lateral ridges ; delti- 
dium double; loop simple, elongated. Lon. 9, lat. 7, alt. 6 
lines. 
Terebratula Waterhousii, Dav. 1851, Mon. Ool. p. 31. pi. 5. 
f. 12, 13. 
Fossil. Lias. England ; Wurtemburg. 
66. Waldheimia Bakeri^. B.M. 
Shell smooth, semicircular ; dorsal valve depressed in the mid- 
dle in front ; wider than long ; ventral valve convex ; beak 
small, with indistinct lateral ridges ; foramen entire, nearly 
touching the umbo of dorsal valve. Lon. 4, lat. 5, alt. 2^ hues. 
