68 BRACHIOPODA. 



a. Beak round j valves convex, smooth, or slightly plaited. 



1. Waldheimia flavescens. B.M. 



Shell oval, rather produced at the beak, gibbous, smooth when 

 yovuig, border of the adult more or less strongly furrowed with 

 unequal, radiating folds ; front slightly truncated ; colour yel- 

 lowish, or horny brown ; beak short and thick, not much re- 

 curved ; foramen rather large, complete ; deltidium large ; loop 

 elongated, retiected ; nargins at tirst even, afterwards more or 

 less dentated. Lon. 17, lat. 14, alt. 8 lines. 

 Terebratula tlavescens, Lomk. Kist. 1819, ed. 2. vii. 330. 

 Terebratula australis, Quoy cy Gaim. 1834, Voy. Astrol. v. 551. 

 t. 85. f. 1-5. 



Sow. Thes. Conch, vii. 349. t. C). f. 25-33. 



Woodward, Manual, p. 8. f. 4, 5. 

 Terebratula dentata, Lamk. Hist. ed. 2. vii. 331. 



Dolessirt, Icon. t. 18. f. 4. 

 Var. Terebratula recurva, Quoy c^ Gaim. \'SS4,Voy . Astrol. v. 552. 



Sow. Thes. Conch, vii. 350. t. 69. f. 34, 35, 36. 

 Hub. Australia, Sydney, just below low-water-raark. 



2. Waldheimia lenticularis. B.M. 



Shell orbicular, smooth, red ; margins even ; beak small, re- 

 curved ; foramen small ; deltidium conspicuous ; loop elongated, 

 reflected. Lon. 24, lat. 22, alt. 14 lines. 

 Terebratula lenticularis, Deshayes, j\Ia(f. Zool. 1841, t. 41. 

 G. B. Sow. Thes. Conch, vii. 3(;0." t. 72. f. 108, 109, 110. 

 Dav. Ann. Nat. Hist. May 1852, p. 365. 

 Hab. New Zealand, Strait of Fauveau, at 15 fathoms. 

 Fossil. In a modern deposit of New Zealand. 



3. ^yALDIlEIMIA CRANIUM. B.M. 



Shell ovate, front margin sometimes a little truncated, smooth, 

 pale, translucent ; beak reflected ; foramen large, incomplete ; 

 deltidinn plates narrow, widely separated ; loo]) reflected, two- 

 thirds as long as the shell. Lon. 24, lat. 195, alt. 14 mil. 

 Petiver, Gaz. t. 93. f. 19. 

 Anomia crainura, Gmelin, S. N. 3247. 



Dillw. R. S. i. 294. 

 Anomia obsoleta, Solander, MSS. 

 Anomia vitrca, Chemnitz, viii. \)'t . t. 78. f. 707-709. 

 Terebratula cranium, Miiller, Zool. Dan. Prod. 247- 

 Sow. Thes. Conch, vii. 354. t. 70. f. 60, 61, 62. 

 Lovcn, Moll. Scand. p. 29. 

 Hab. Norway; Finmark ; eastward of Bressay, Zetland, in deep 

 ivater. 



