no 
BRACHIOPODA. 
a forked central process, expanded at the extremities; ventral 
valve deep, simple ; hinge-area flat, encroached upon hy the large 
irregular foramen ; deltidium small, incomplete. Lon. 11, lat. 13, 
alt. 6 lines (flg. 19). 
Anomia ruhra, Pallas, 1766, Misc. Zool. t. 14. f. 2, 11. 
Anomia striata P. B. Spes, Chemnitz, 1785, viii. p. 94. t. 77. f. 703. 
Anomia eapensis, Gmelin, 1788, S. iV. p. 3347. 
Dillw. R. S. i. p. 292. 
Terehratula ruhra, Blainv. D. S. N. liii. p. 138, 1828. 
Sow. Thes. Conch, vii. t. 68. f. 10 (not 9 & 11). 
Terehratula eapensis, Krauss, Sudafr. Moll. p. 32. t. 2. f. 10 (not 
Adams). 
Kraussia ruhra, Davidson, Ann. Nat. Hist. 1852, p. 370. 
Hab. S. Africa. 
2. Kraussia cognata. B.M. 
Shell trapezoidal, rounded in front, pale hom-colour, with ob- 
scure radiating striae ; heak ohtuse, reflected ; hinge-area small ; 
perforation large, ineomplete ; deltidia small, triangular ; dorsal 
valve flattish, with a longitudinal eentral depression ; apophysis 
central, forked. Lon. 10, lat. 9, alt. 4 hnes. 
Cognata Anomia craniolaris, Chemn. C. C. viii. p. 78. t. 76. f. 688. 
Anomia craniolaris, var., Dillw. R. S. i. p. 285. 
Terehratula cognata, G. Sowerby, Thes. Conch, vii. p. 346. t. 68. 
f. 12, 13, 14. 
Sow. Ann. Nat. Hist. 1847, p. 464. 
Krauss, Sudafr. Moll. p. 33. 
Kraussia cognata, Davidson, Ann. Nat. Hist. 1852, p. 370. 
Hab. S. Africa. 
3. Kraussia pisum. B.M. 
Shell transversely ovate, trilohed, ivith obscure radiating ribs, 
slightly reddish ; margins minutely crenulated, deeply sinuated 
in front ; beak slightly produced, obtuse ; foramen large, incom- 
plete ; deltidia small ; hinge-area small ; dorsal valve with a 
rather straight hinge-line and a deep central longitudinal furrow ; 
apophysis central, forked. Lon. 4i, lat. 5, alt. 3 hnes. 
Terehratula pisum, Valenciennes, in Lamarck, Hist. 1819, ed. 2. 
vii. p. 330. 
G. B. Sow. Thes. Conch. lii. p. 345. t. 69. f. 37, 38, 39. 
Kraussia pisum, Dav. Ann. Nat. Hist. 1852, p. 370. 
Terehratula Natalensis, Krauss, Sudafr. Moll. p. 33. t. 2. f. 11. 
Kiister, Neue Conch, vii. p. 1. 1. 2. f. 4-7. 
Quenst. Handb. p. 463. t. 37. f. 11. 
Hab. S. Africa (not Sydney). 
