22 BRACHIOPODA. 



?Terebratula coUinaria, D'Orh. 1847, Ter. Cret. iv. p. 81. t. 507. 

 f. 6-10. 



Fossil. U. Greensand. Sweden. 

 ? Neocomian. France. 



15. Terebratula Becksii. B.M. 



Shell obovate, smooth, laterally compressed towards the beak ; 

 margins even; dorsal valve strongty cui'ved, gibbous near the 

 umbo, depressed and flattened in front ; ventral valve rather 

 straight ; beak short and thick, not recui-ved ; foramen mode- 

 rate, round ; deltidium solid, concave. Lon. 10, lat. 8, alt. 6 lines. 



Terebratula Becksii, Roemer, 1840, Nord. Kreid. p. 44. t. 7. f. 14. 



Bronn, Index, p. 1229. 

 Fossil. Chalk (Planer), Ahaus, WestphaMa. 



16. Terebratula squamosa. B.M. 



Shell orbicular, or oval ; valves nearly equally convex, marked 

 with squamose lines of growth and fine radiating punctate strife ; 

 margins even, or slightly bisinuated ; beak short, recurved ; fora- 

 men round ; deltidium solid. Long. 7, lat. 6, alt. 5^ lines. 



Terebratula squamosa, Mantell, 1822, Geol. Suss. p. 132. 



Davidson, Ann. Nat. Hist. 1847, p. 254. pi. 18. f. 8. 



D'Orb. Prod. ii. p. 172. 



Bronn, Index, p. 1251. 

 Terebratula Robertoni, Viquesneli, Murchisoni et Leveillei?, 



D'Arch. 1847, Mem. Geol. Soc. France, 11. pt. 2. 

 Fossil. U. Greensand, Chalk-marl. England. 



17. Terebratula Fittoni. 



Shell small, oval, ventricose, smooth, biplicate in front, orna- 

 mented with squamose lines of growth ; valves equally convex ; 

 beak recurved ; foramen large, round. Lon. 5, lat. 4, alt. 3| 

 hues. 



Terebratula Fittoni, Hag. 1842, Neues Jahrb. p. 542. t. 9. f. 6. 



Bronn, Index, p. 1236. 

 Fossil. Chalk. Riigen. 



18. Terebratula capillata. B.M. 



Shell oval, or somewhat pentangular, front margin slightly 

 waved ; dorsal valve slightly convex ; ventral valve deep ; beak 

 short, rounded and recurved, truncated by a large circular fora- 

 men ; deltidium incomplete ; surface ornamented with minute, 

 radiating, wavy striae, decussated by a few lines of growth. 

 Lon. 13, lat. 11, alt. 8 lines. 



