32 brachiopoda. 



55. Terebratula ventricosa. 



SAeZ/ oval, ventricose, depressed at the sides; valves ornamented 

 with fine radiating sti'ise, crossed by obscure hnes of growth ; 

 margins even, raised, but not siuuated in front ; beak recui-ved ; 

 foramen small. Lon. 25, lat. 19, alt. 13 lines. 



Terebratula ventricosa [Hartmann], Zieten, 1830, p. 53. pi. 40. 



f. 2 (not Gmelin). 

 Terebratula subventricosa, D'Orb. Prod. p. 287. 

 Terebratula perovalis, Roemer, Nordd. Ool. t. 2. f. 3 ? (not Sow.). 



Fossil. Inferior Oolite. Germany; France. 



56. Terebratula intermedia. B.M. 



Shell oval, smooth ; front with a central and two lateral inth- 

 stinct depressions ; beak short, rounded, recurved ; foramen rather 

 large ; deltidium nearly concealed ; loop simple, short. Lon. 23, 

 lat. 18, alt. 13 lines. 



Terebratula intermedia. Sow. 1812, Min. Con. i. p. 48. t. 15. 

 f.8. 



Davidson, Mon. Ool. p. 52. pi. 11. f. 1-5. 

 Quenstedt, 1851, Handb. p. 472. t. 37. p. 50 (not of Btich 

 and Mantell). 

 Terebratula biphcata, Pusch, Polens Pal. p. 21. t. 4. f. 1 ?. 



Fossil. Cornbrash. England; France. 



57. Terebratula maxillata. B.M. 



Shell subquadrangular, smooth ; valves strongly folded in 

 front ; dorsal valve broad and short, moderately convex, with one 

 central and two lateral depressions, increasing in depth with age ; 

 beak produced, recurved, with obtuse lateral ridges; foramen 

 large, oblique ; deltidium obtusely triangular ; loop simple, one- 

 third as long as the shell. Lon. 32, lat. 34, alt. 18 lines. 



Terebratula minor subrubra, Llhwyd, Lith. Brit. Ichn. 1699, 



pi. 11. f. 890. 

 Terebratula maxillata. Sow. 1825, Min. Con. p. 52. pi. 436. f. 4. 

 Morris §■ Dav. Ann. Nat. Hist. 1847, pi. 19. f. 5. 

 Davidson, Mon. Ool. p. 50. pi. 9. f. 1-9. 

 Terebratula biplicata, Bronn, Index (not Sow.). 

 Terebratula tetragona, Pusch, 1837, Polens Pal. p. 23. t. 4. f. 9 ?. 

 /3. Terebratula submaxillata {Morris), Davidson, Mon. Ool. p. 51 . 

 pi. 9. f. 10-12. 



Fossil. Great Oolite. England ; France. (i3.) Inf. Oolite. Eng- 

 land. 



