2(i 
BRACHIOPODA. 
28. ?Terebratula incisa. 
Shell oval, longer than wide ; dorsal valve convex near the 
umbo, with a shallow sinus in front ; beak recurved ; foramen 
minute ; deltidium distinct. Lon. 1-li inch. 
Terebratula incisa {Munster), Schlotheim, Cat. p. 75. n. 71- 
Buck, 1834, Terebrat. p. 95 ; M^m. Soc. Geol. Fr. iii. p. 204. 
Broun, Index, p. 1238. 
Pusch, Polens Pal. t. 3. f. 16. p. 19 ?. 
Fossil. Chalk. Poland ; Faroe. 
29. Terebratula obesa. B.M. 
Shell oblong, ventricose, smooth ; front margin with a wide 
and shallow central depression and two angular lateral depres- 
sions ; sides obscurely striated ; beak short and thick, incurved, 
truncated by a large round foramen ; deltidium concealed j loop 
short and simple. Lon. 2i, lat. 2, alt. 1| inch. 
Terebratula obesa. Sow. 1825, Min. Con. v. p. 54. t. 438. f. 1. 
Brown, Illust. Conch, pi. 54. f. 28, 29. 
D’Orb. Ter. Cret. iv. p. 101. pi. 513. f. 1^. 
Davidson, Mon. Cret. p. 33. pi. 5. f. 13-16. 
Fossil. U. Chalk, U. Greensand. England; France. 
30. Terebratula sulcifera. B.M. 
Shell oval, inflated, smooth, ornamented with numerous im- 
bricating lines of growth in regular series from the umbones to 
the margin ; valves nearly equally ventricose ; margins sinuous, 
elevated in front ; beak short, very thick, rounded and recurved ; 
foramen large and round; deltidium concealed. Lon. 22, lat. 16, 
alt. 16 lines. 
Terebratula sulcifera, Morris ^ Dav. 1847, Ann. Nat. Hist. 1847, 
p. 254. pi. 18. f. 7- 
D’Orb. Prod. ii. p. 172. 
Terebratula ovoides, Raemer, 1843, ffreirf. p. 42 (not Sow.). 
Alth, Geog. Lemberg (in Haid. Abhandl. 1850), p. 258. 
1. 13. f. 5. 
Geinitz, Petref. 1850, t. 8. f. 5. 
Fossil. Chalk-Marl. England; Germany. 
31. Terebratula albensis. B.M. 
Shell oval, inflated, smooth, with obscure lines of growth, be- 
coming more distinct towards the margin ; margins flexuous, the 
front straight, wide, angularly elevated ; dorsal valve convex, cir- 
cular in young specimens ; ventral valve gibbose ; beak thick, 
rounded, recui-ved; foramen moderate, round; deltidium con- 
cealed. Lon. 19, lat. 14, alt. 12 lines. 
