74 BRACHIOPODA. 



Terebratula bucculenta? Zieten, p. 52. pi. 39. f. 6 (not Sow.). 

 Terebratula emarginata, Quenst. Handb. p. 471. t. 37. i. 52 (not 



Sow.). 



Fossil. Inferior Oolite. Bavaria. 



63. Waldheimia emarginata. B.M. 



Shell subrhombic, truncated and indented in front ; smaller 

 valve flat, sometimes longitudinally depressed in front ; ventral 

 valve convex ; beak slightly reciu'ved ; 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, ^videst above the centre, naiTow 

 in front, depressed, smooth ; dorsal valve rather flat; ventral valve 

 convex, with an obtuse longitudinal ridge ; beak small, incurved, 

 keeled at the sides. Lon. 8, lat. 65, alt. 4 lines (12^ : 10^ : 7^ 

 Cambr.). 



Terebratula humeralis, Rcemer, 1839, Nordd. Ool. ii. p. 21. 1. 18. 

 f. 14. 



Bronn, Index, p. 1238. 



Fossil. Portland Oolite. Germany. 



65. Waldheimia Waterhousii. B.M. 



Shell smooth, subquadrate, longer than wide; small valve 

 concave in front ; beak small, with 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. 2i Unes. 



