BRACHIOPODA. 
93 
Rh\Tichora Davidsoniana, Koninck MS. 
? Rhynchora minima, id. 
Fossil. Chalk. Ciply, Belgium. 
21. Terebratella pectita. 
Shell subcircular, or somewhat pentagonal, plicato-striated ; 
striae 30-60, increasing by intercalation ; dorsal valve slightly 
convex, longitudinally depressed in the centre in front ; hinge- 
line nearly as wide as the shell, almost straight ; area distinct, 
flat, triangular ; foramen moderate ; deltidium double. Lon. 10, 
hit. 9, alt. 6 hnes. 
Terebratula pectita. Sow. Min. Con. 1818, ii. p. 87. t. 138. f. 1. 
Lam. An. sans Vert. vi. p. 255. no. 46 ; ed. 2. vii. p. 343. 
Brongn. Env. Paris, pi. 9. f. 3. 
Defr. Diet. Sc. Nat. liii. p. 159. 
Buck, Mem. Soc. Ge'ol. Fr. iii. p. 168. pi. 16. f. 12. 
Rcemer, Kreid. p. 40. 
Terebratula pectinata. Smith, Strata identified, 1816, f. 4. 
Terebratella pectita, D’Orb. Ter. Cre't. iv. p. 120. t. 517. f- 16-20. 
Dav. Mon. Cret. p. 26. pi. 3. f. 29-33. 
Fossil. U. Greensand. England ; France. 
22. Terebratella Verneuilliana. B.M. 
Shell eircular, ornamented with about 15 unequal, sharp, 
radiating plaits ; valves nearly equally convex ; beak scarcely 
curved ; area short, wide and flat ; foramen large, circular ; del- 
tidium complete, double. Lon. 6, lat. 6k, alt. 3 hnes. 
Terebratella Verneuilliana, Davidson, April 1852, Ann. Nat. Hist. 
pi. 14. f. 4. 
Fossil. Greensand. Santander. 
23. Terebratella canaliculata. B.M. 
Shell ovoid, ornamented with 12-14 radiating and bifurcating 
plaits ; dorsal valve semicircular, convex ; ventral valve produced 
into a long straight beak, truncated by a large foramen ; area 
large and flat ; deltidium elongated ; loop refleeted and doubly 
attached. Lon. 5, lat. 4, alt. 2k hnes. 
Terebratula canahculata, Rcemer, 1840, Kreid. p. 41. no. 30. pi. 7- 
f. 1. 
D’Archiac, Mem. Soc. Ge'ol. Fr. 2nd ser. u. p. 331. pi. 21. 
f. 15. 
Terebratella canahculata, D’Orb. Prod. ii. p. 173. 
Terebrirostra canahculata, D’Orb. Prod. ii. p. 173. 
Fossil. U. Greensand. Westphaha; Belgium. 
