28 brachiopoda. 



36. Terebratula pr^longa. B.M. 



Shell ovate, much elongated, gibbose ; front slightly elevated, 

 with a depression in its middle ; beak prominent, large ; surface 

 smooth. Lon. 14, lat. 7 hues. (Lon. 18, lat. 12, alt. 9 lines, 

 Morris.) 



Terebratula pra3longa, J. Sow. 1836, Geol. Trans, iv. 2. p. 339. 

 pi. 14. f. 14. 



Fossil. Neocomian. England ; France ; Germany ; Switzerland. 



37. Terebratula acuta. B.M. 



Shell oblong, elongated, somewhat pentagonal, sharply bipli- 

 cate, depressed at the sides, smooth ; margins even, strongly bi- 

 sinuated in front; beak prominent, scarcely curved; foramen 

 rather large ; deltidium elongated. Lon. 14, lat. 1 1, alt. 6 lines. 



Terebratula bipHcata-acuta, Buck, 1843, Mem. Soc. G^ol. Fr. iii. 



p. 220. 

 Terebratula prselonga, D'Orb. Ter. Cret. iv. p. 74. t. 506. f. 1-4. 

 Terebratula acuta. Querist. 1851, Handb. p. 473. t. 38. f. 2. 

 Fossil. Neocomian. France; Switzerland. 



38. Terebratula Sella. B.M. 



Shell subquadrangular, smooth ; front considerably elevated, 

 narrow, sharjily bisinuated ; sides depressed ; beak slightly re- 

 curved ; foramen moderate, round ; deltichum rather large, solid. 

 Lon. 15, Lit. 13, alt. / lines. 



Terebratula Sella, Sow. M. C. 1823, v. p. 53. t. 437. f. L 



D'Orh. Ter. Cret.iv. t. 510. f. 6-12. 



Rcemer, Kreid. 1843, p. 43. t. 7- f. 17- 

 Terebratula Roemeri, D^Archiac, Mem. Geol. Soc. Fr. ii. 

 Terebratula undidata, Pusch, Polens Pal. \). 20. t. 4. f. 4. 



Kner, Kreid. Lemherg [in Haid. Abhandl. 1850), p. 32. 



Fossil. Neocomian, Gatilt, U. Greensand. England; France. 



39. Terebratula Moutoniana. B.M. 



Shell ovate, depressed, smooth, finely striated concentrically ; 

 dorsal valve rather flat, slightly raised in the centre in front ; 

 venti'al valve convex ; beak recurved ; foramen rather large ; 

 deltidium partly concealed. Lon. 20, lat. 13, alt. 8 lines. 



Terebratula Moutoniana, B'Orb. Ter. Cret. iv. p. 89. t. 510. f. 1-5; 



Prod. 2. p. 108. 

 Terebratula perovalis, Roemer, 1839 (not Sow.), Ool. t. 2. f. 3 ; 



Kreid. p. 42. 

 Fossil. Neocomian. France; Germany. 



