hkachioi'oua. 1 1 i 



4. Kkaissi.v Ai,goknsis. H.M. 



" Slii'll sul)orl)iciiIiir, sli<;litly iicuniiiiiitfd hiliiiid, ratlier lobed 

 in front, wliitisli, nuliiitely stiiatcil ; nn-siiil ridp- distinct, ronml- 

 isli ; lu'iforation laiiri-, inconipk-tc ; margin very minutely crc- 

 nuhitcd." Lull, o.j, hit. 3 lines. 



Tercbnitnla Alj^ot-nsis, G. Sower by, Thes. Conch, vii. p. 362. t. !>1 . 

 f. ;M, U2. 



Dar. Ann. Xat. Ui.^t. 1S52. 

 Hab. Algoa Bay (IJowerbank). 



(Fonnded on a single ventral valve, which is scarcely different 

 from T. pi.ium.) 



5. Kraussia Lamarckiana. B.M. 



Shell snborbicular. striated with fine, bifuroatinfr ridfres, light 

 yellow ; hinge-area well-delined, tiat ; foramen large, incomplete ; 

 deltidia small ; dorsal valve with central longitudinal groove ; 

 apophysis central, bifurcating ; margins of the valves thickened 

 internally and spinulose. Lon. 3, lat. 3, alt. 1 i lines (fig. 20). 



Terebratella Lanmrvk'iana,Davidson,\Sb2, Ann. Nat. Hist. p. 3/0; 



Proc. Zool. Soc. p. . pi. . f. 22, 2.'3. 

 Hab. Sydney, Austraha ; New Zealand. 



6. Kraussia Deshayesii. 



Shell sid)orbicular, radiately ribbed, reddish brown, with six 

 red rays ; beak rather ])roduced ; foramen moderate, incomplete ; 

 deltidia separate ; dorsal valve depressed in the centre ; apophy- 

 sis central, forked. Lou. 6, lat. (ii lines. 



Terebratula Ciipensis, Adams, 1850, Zool. Samarang, p. 7L pL 2L 



f. 4 (not Gmelin). 

 Kraussia Deshayesii, Davidson, 1852, Attn. Xat. Hist. p. .'i/O. 

 Hab. Cape of Good Hope, at 120 fathoms. 



Order II. CRYPTOBRACHIA. 



Oral arms sunk into grooves in the convex centre of the inner 

 surface of the ventral valve. 



Crvptobrachia, Gray, Ann. 8f Mag. N. H. ii. 1848, p. 435 ; in 

 'Wiegm. Arch. 184!>, p. 98; and (his Cut. p. 8. 



Brachiopodes ciiTides (Cirrhidaej, part., D'Orb. Cour. Elem. Pa- 

 leont. p. 80, 1849. 



