88 brachiopoda. 



3. Terebratella Chilensis. 



Shell transversely oval, slightly gibbous, pale bro\vii, with ra- 

 iliating ridges ; margins crenulated ; dorsal valve with a smooth, 

 wide and shallow longitudinal groove in the centre ; beak obtuse; 

 hinge-area large and flattened ; foramen large, incomplete ; del- 

 tidia moderate, separate; loop elongated, doubly attached. 

 Lon. 14, lat. 16 lines. 



Terebratula Chilensis, Broderip, Proc. Zool. Soc. 1836, p. 134. 



G. B. Soiv. Thes. Conch, vii. p. 34?. t. 68. f. 18, 19. 

 Terebratella Chilensis, D'Orb. Ann. Sc. Nat. 1848, viii. p. 6/. 

 t. 7. f. 13. 



King, Permian Fossils, p. 81, 1850. 

 Hab. Valparaiso, at 90 fathoms. 



4. Terebratella Soverbii. B.M. 

 Shell rounded, trilobed, rusty brown, with obscure radiating 



ribs ; margins sinuated in front ; dorsal valve with a broad, lon- 

 gitudinal, "central depression ; hinge-area large and flattened ; 

 foramen large and incomplete ; deltidia small, disunited ; loop 

 elongated, doubly attached. Lon. 17, lat. 17, alt. hues. 

 Terebratula Soverbii, King, Zool. Journ. v. p. 338. 



G. B. Sow. Thes. Conch, vii. p. 348. t. 68. f. 20, 21, 22. 

 Terebratella Soverbii, Dav. Ann. Nat. Hist. 1852, p. 367. 

 Hab. Straits of Magellan. 



5. Terebratella Coreanica. B.M. 



Shell quadrangular, smooth, pale brown with crimson rays ; 

 beak obtuse, with lateral ridges ; hinge-area large ; foramen 

 large, complete ; deltidia united ; dorsal valve flattish ; loop 

 elongated, doubly attached. Lon. 13, lat. 13i lines. 

 Terebratula Coreanica, Adams S,- Reeve, 1850, Zool. Samarang, 



p. 71. pi- 21. f. 3. 

 Terebratella Coreanica, Dav. 1852, Ann. Nat. Hist. p. 367. 

 Hab. Corean Archipelago. 



6. Terebratella Bouchardii. 



Shell suborbicular, smooth, of a uniform light yellow colour ; 

 beak produced, recurved, furnished with lateral ridges, and trun- 

 cated by a large, circular and entire foramen; deltidia united ; 

 hinge-area slightly concave ; dorsal valve depressed in the centre 

 in front ; loop elongated, doubly attached. Lon. 14, lat. 13, 

 alt. 8 lines. 

 Terebratella Bouchardii, Davidson, \Sh2,Ann. Nat. Hist. p. 367; 



Proc. Zool. Soc. p. . pi. . f. 4-6. 

 Hab. ? (Mus. Cuming.) 



