80 BRACHIOPODA. 



truncated by a moderate, round foramen ; deltidium triangular, 

 distinct. Lon, 13, lat. 13, alt. 8 lines. 



Terebratula Marcousana, D'Orb. Ter. Cret. iv. p. 82. t. 507. 



f. 11-14; Prorf. ii. p. 85. 

 Fossil. Neocomian. France. 



87. Waldheimia semistriata. B.M. 



Shell angularly ovate or rounded, with 24-30 sharp radiating 

 plaits ; umbones smooth ; beak prominent ; foramen moderate ; 

 deltidium elongated; dorsal valve with two elevated ridges or 

 angles in front. Lon. 14, lat. 12, alt. 8 lines. 



Terebratula semistriata, Def ranee, 1828, Diet. Sc. Nat. t. liii. 

 p. 156. 



D'Orb. Ter. Cret. iv. p. 83. t. 508. f. 1-11 ; Prod. ii. p. 85. 

 Terebratula suborbicularis, D'Areh. 1839, Mem. Soe. Geol. Fr. 

 iii. p. 311. 



Leym. 1842, Mem. Soe. Geol. Fr. v. p. 18. pi. 14. f. 2, 3. 

 Terebratula biangularis, {Desk.) Leym. 1842, M^m. Soe. Geol. Fr. 

 V. p. ll.pl. 14. f. 4. 



Reus.s, Verst. Bohn. Kreid. p. 51. 

 Terebratula propinqua, Mllnsfer MS., Jura, Hildesheim. 

 Fossil. Neocomian. France ; Switzerland. 



88. Waldheimia reticulata. 



Shell oblong, inflated, partly smooth, or ornamented with ra- 

 diating dichotomous striae ; dorsal valve with a sharp central 

 elevation and two lateral folds ; beak prominent, curved, late- 

 rally keeled; foramen moderate, round; deltidium double, elon- 

 gated. Lon. 14, lat. 10, alt. 8 lines. 



Terebratula reticulata, Puseh, 1837, Polens Pal.t. 3. f. 11 (not 



Sow.). 

 Terebratula Puscheana, Roemer, 1841, Kreid. Tp. 114.no. 3.t. 16. 



f. 29. 

 Terebratella reticulata, D'Orb. Ter. Cret. iv. p. 1 12. t. 515. f. 1-6. 

 Fossil. Neoeomian. France ; Poland ; Germany. 



89. Waldheimia oblonga. B.M. 



Shell oblong, sharply plaited ; plaits 20—40, simple or bifur- 

 cating, and becoming more numerous by intercalation; dorsal 

 valve rather flat when young, becoming more convex with age ; 

 beak rather produced, neai'ly straight, with well-defined lateral 

 ridges forming a flat area ; foramen entire, slightly truncating 

 the beak; deltidium double, distinct. Lon. 12, lat. 9, alt. 7 

 lines. 



