34 BRACHIOPODA, 



Terebratula Kleinii, Val. in Lam, 1819, An. sans Vert. vi. p. 252. 

 no. 33 (not of Morris' Cat.). 



Dav. Ann. Nat. Hist. 1860, June, pi. 13. f. 33. 

 Fossil. Inferior Oolite. France. 



62. Terebratula homalogaster. B.M. 

 Shell subcircular, depressed, smooth, with strong lines of growth 



near the margin ; front margin slightly raised ; dorsal valve nearly 

 flat, circular ; ventral valve convex ; beak verj^ thick, recurved, 

 obscurely keeled; foramen very large; deltidium soUd. Lon. 18, 

 lat. 16, alt. 9 lines. 



Terebratula omalogaster (Hehl.), Zieten, 1830, p. 54. pi. 40. f. 4 



(deformed?, D'Ori.). 

 Terebratula perovalis, Bronn, Index, p. 1243. 

 Fossil. Inferior Oolite. Germany. 



63. Terebratula simplex. B.M, 



Shell roundish, smooth ; margins even ; dorsal valve flattish, 

 a little concave in front ; larger valve venti'icose ; beak rounded, 

 recur\'ed ; foramen large and round ; deltidium nearly concealed. 

 Lon. 2^, lat. 2J^, alt. 1^ mches. 



Terebratula triangularis maxima, Llhwyd, 1699, Ldth. Brit. ed. 2. 



t. 25. f. 870. 

 Terebratula simplex, Buckman, Geol. Chelt. pi. 7- f. 5. 



Davidson, Mon. Ool. p. 48. pi. 8. f. 1, 3. 

 Terebratula lata, D'Orb. (not Sow.). 

 Fossil. Inferior Oolite. England. 



64. Terebratula ovoides. B.M. 

 Shell oval, smooth, ventricose ; margins even ; beak prominent, 



slightly keeled ; foramen large and round ; deltidium distinct, 

 double. Lon. 2, lat. \\%, alt. \\ inches. 



Terebratula ovoides, Sow. 1812, Min. Con. i. p. 227. t. 100. 



Yming 8f Bird, Geol. Yorks. pi. 8. f. 12. 



Lam. ed. Desh. vii. p. 361. 



Davidson, Mon. Ool. p. 48. pi. 8. f. 4-9. 

 Terebratula lata, Sow. 1812, Min. Con. i. p. 227. t. 100. 

 Terebratula trilineata, Young Sf Bird, Geol. Yorks. 1828, pi. 8. 



f. 17 (internal cast). 

 Fossil. Lias, Inferior Oolite. England. 



65? Terebratula BucKMANii. B.M. 



Shell elongated, oval ; valves smooth, convex ; beak small, 

 lateral ridges indistinct; foramen round, large; deltidium con- 



