BRACHIOPODA. 
105 
Terebratula lima, Defrance, Diet. Sc. Nat. 1828, t. liii. p. 156. 
D’Orb. Ter. Cret. iv. p. 98. pi. 512. f. 1-5. 
Terebratula pentangulata. Woodward, Geol. Norf. 1833, pi. (i. 
f. 10. 
Terebratula ventro-plana, Rcemer, Nordd. Ool. p. 51. t. 2. f. 7- 
Terebratula Hebertiana, D’Orb. 1847, Ter. Cret. pi. 514. f. 5, 11. 
Terebratula spinulosa, Morris, 1847, Ann. Nat. Hist. xx. p. 253. 
pi. 18. f. 6. 
Terebratula sex-radiata, J. Sow. 1850, Dixon’s Geol. Sussex, 
p. 348. pi. 27. f. 10. 
Kingena lima, Davidson, Mon. Cret. p. 42. pi. 4. f. 15-28 ; pi. 5. 
f. 1-4. 
? Terebratula arenosa, Deshayesii, subconcava, et subarenosa, 
D’Archiac, 1847, Mem. Soc. Geol. Fr. ii. pt. 2. 
Fossil. Gault, Upper Greensand, Chalk. England ; France. 
***■ Doubtful species. 
5. Megerlia? Wacoensis. 
Shell subpentagonal, ventricose, smooth ; margins even, front 
straight ; dorsal valve convex, with inebcations of a long internal 
septum ; ventral valve gibbose ; beak obtuse, recurved, laterally 
keeled ; foramen small and round ; deltidium distinct. Lon. 9, 
lat. 8, alt. 6^ lines. 
Terebratula Wacoensis, Rcemer, 1852, Kreid. Texas, p. 81. t. 6. 
f. 2. 
Fossil. Chalk. Guadaloupe. 
6. Megerlia? ovata. B.M. 
Shell oval or elongated, depressed ; surface ornamented with 
minute, wavy, spinulose strise ; dorsal valve nearly flat, with a 
central depression in front, increasing with age ; ventral valve 
convex ; beak produced, nearly straight, lateral ridges distinct ; 
foramen moderate, circular; deltidium small, complete. Lon. 19, 
lat. 13, alt. 11 lines (large specimen). 
Terebratula ovata, Sowerby, 1812, Min. Con. i. p. 46. t. 15. f. 3. 
Davidson, Mon. Cret. p. 47. t. 4. f. 6-13 (not Mantell, Geol. 
S. Downs, 1822). 
Terebratula lachrymosa, D’Orb. 1847, Ter. Cret. iv. p. 99. nl. 512 
f. 6-11. 
Terebratula Keyserlingi, D’Arch. 
Fossil, Upper Greensand. England ; France. 
F5 
