BRACHIOPODA. 27 



Terobrntuln albcnsis, Leym. 1841, Mrm. Gf^o/. iv. 288, 289 ; v. 



11. J!». t. 15. f. 2-1. 

 Terel)iatiilii l)ulla, J. Sow. 1850, Dixon\s Geol. Sussex, p. 346. 



pi. 27. f. 11. 

 Teivhratula scmiirlobosn, var. y, Bronn. Iii<Ipj\ |). 1250. 



Rcuss, \'trst. liiilim. Kri'ii/. ]>. 51. pi. 2(i. 1'. 5. 

 Fossil. Lower Chalk. Sussex ; Rouen. 



32. Terkbratula Harlani. B.M. 



Shell oval, eloii<jatc(l, thick, smooth, with concentric lines of 

 growtli ; dorsal valve moderately fonvex, raised and flat in the 

 centre, de])ressed at the sides ; mar{»ins even, slightly elevated in 

 front; ventral valve deep; beak thick, recurved, slightly keeled 

 at the sides ; foramen very large ; deltidium nearly concealed. 

 Lon. 2(), lat. 1(), alt. 15 lines. (Lon. 36 lines, Morton.) 



Terebratula Harlani, Morton, \S29, Acad. Nat. Sc.Philad.n. 73. 



pi. 3. f. 1 ; 1S:U. Syn. Cret. p. 70. jd. 3. f. 1. 

 Terebratula Camilla, Morton, Syn. Cret. pi. 9. f. 8, 9. 

 Terebratula jjcrovalis ?, Morton, 1829, Journ. Philad. p. 77- pl. 3. 



f. 7, 8 (not Sow.). 

 Fossil. Chalk. New Jersey, U.S. 



33. Terebratula fragilis. 



Shell elongated, oval, thin, fragile, smooth, strongly biplicated 

 in front; dorsal valve with two longitudinal ridges almost its 

 whole length ; ventral valve with a jirominent central ridge, and 

 corresponding lateral depressions. Lon. 21, lat. 12 lines. 



Terebratula fragilis, Morton, 1829, Journ. Acad. Philad. p. 75. 



pl. 3. f. 3, 4 ; 1834, Syn. Cret. p. 70. pl. 3. f. 2 (not SchL). 

 Terebratula subfragilis, D'Orb. 1850, Prod. ii. p. 258. 

 Fossil. Chalk. New Jersey, U.S. 



34. ? Terebratula Toucasiana. 



Shell like T. semiglohosa, but always more dej)ressed, most 

 prominent at the front margin. 



Terebratula Toucasiana, D'Orb. 1850, Prod. ii. p. 258. 

 Fossil. Chalk. France. 



35. ? Terebratula Vexdocinensi.s. 



Shell small, globular, round, smooth ; front margins sinuated ; 

 dorsal valve scarcely convex. 



Terebratula Vcndocinensis, D'Orb. 1850, Prod. ii. p. 258. 

 Fossil. Chalk. France. 



C2 



