nil vi'iiioi'oDA. Ga 



Trrehrntiila pscudo-jurrnsis, Lpijm. ISJI, Me'm. Soc. Ge'ol. Fr. 



iv. J). .i-lL' ; V. p. \-J. 1)1. 1.5. f. .'). C. 

 D'Orh. Ttr. Crt-'t. iv. p. 74. t. ;')i».j. f. 



p. 74. t. ;V».j. f. 11 Ifi ; /'roJ. ii. p. ^o. 

 Fossil, yeocoinian. France ; Switzerland. 



IS. Waldheimia i'ectorali.s. 



S/(p// orbicnlar, sonu-wliat pentaj^ojial, smooth, with obscure 

 grainilatcd rays ; dorsal valvo vatlur flat ; ventral convex ; beak 

 depressed, keeled ; foramen small. 



Terebratula neetoralis, Roemer, 1840, Kreid. 42. t. 7- f- !!'■ 



Rcuss, lidhm. Kreid. p. 52. t. 2(). f. 12. 

 F'ossil. Xeocomiaii. Germany. 



1!). Waldiieimia KAnA. 



Shell elliptical, narrow, gibbose ; front indented, but not ele- 

 vated, very narrow ; beak short, but prominent. Lon. 7, lat. 4, 

 alt. 4 lines. 

 Terebratula faba, J. Sou,-. 183G, Geol. Tr. iv. 2. p. 338. ])1. 14. f. 10. 



irOrb. Ter. Cret. iv. t. 50ti. f. 8-12 ? ; Prod. ii. p. 85. 

 Fossil. Lower Greensand. Between Folkestone and Sandgate 



(Mus. Rev. G. E. Smith). 



20. Waldheimia DinoNA. B.M. 



Shell oblong, triangular, smooth ; front margin straight, with 

 two prominent angles ; beak rather produced, with short lateral 

 ridges ; foramen small and romul ; deltidium rather long ; loop 

 simple, elongated. Lon. 13, lat. 9, alt. 8 lines. 



Terebratula sacculus minor, Llhwyd, 1699, Lith. Brit. Ichn. t. 10. 



f. 873. 

 Terebratula digona, Soiv.Min. Con. 1812. i. p. 217- t. 96. f. 1-5; 

 Enci,cl. Meth. pi. 240. f. 5. 

 Smith. Sfrat. Sij.st. 1816. 



Buck, Mem. Soc. Geol. France, iii. p. 194. pi. 17. f- 6. 

 Dui-idson, Men. Ool. p. 38. pi. 5. f. 18-24. 

 Rwiner, Xordd. Ool. j). 49. 

 Qiien-st. Handb. p. 467. t. 37. f. 35. 

 Fossil. Bath Oolite {Bradford Clny). England ; France ; Ger- 

 many. 



21. Waldheimia Arduennexsis. 



Shell subtrigoually inflated, wider than long, much enlarged 

 and truncated m front, and dimiuishiug gradually to the beak. 



Terebratula Arduennensis, D'Orb. 1850, Prod. i. p. 377- 

 Fossil. Oxford Clay. France. 



