iiRACiiioi'onA. ~:i 



58. ? Waldiieimia scbrksupinata. 



" Like T. rcsupinnta, but witli tlii' smiill viilvc not ventrieosc, 

 and nuirkfd by u stronf;, nif(lio-l()nu;itu(bii!il iniprcssion." 



'l\'ivl)nitulii subiTsnpiuata, D'Orb. Prod. |sr>(), j). 28/. 

 Fossil. Inferior Oolite. France. 



.")!). 'VValohki.mia Bajocina. 



" Like 7'. .siibreaupinata, but more oval, more attenuated in 

 front, and witbout tbe dei)irssi(m in tbe small valve." 



'iVrebnitula Bajocina. D'Orh. 1850, Prod. i. p. 288. 



Fossil. Inferior Oolite. France. 



<)(). Waldhki.mia ( aki.mata. B.M. 



Shell oblong, suiootli, narrow and sliglitly truncated in front ; 

 smaller valve Hut, witb a central longitu(lin:il depression ; ventral 

 valve conve.\, laterally compressed ; beak sligbtly recurved, 

 keeled ; foramen moderate; deltidium double, ratlier long; loop 

 simple, elongated. Lou. 13-20, lat. 9-17, alt. 5-10 lines. 



Terebratula carinata. Vol. 1819, in Lam. An. sans Vert. vi. p. 25. 

 Davidson, Mon. Ool. p. 35. pi. 4. f. 11-1?; Ann. Nat. Hist. 

 June 1850, jd. 13. f. 25. 

 Fossil. Inferior Oolite. England ; Normandy. 



ni. Waluiikimia pentahedra. B.M. 



SAe// pentagonal, de])ressed, smootb, vvitb numerous imbrica- 

 ting lines of growtb ; dorsal valve nearly Hat, ventral conve.v ; 

 beak prominent, scarcely curved, keeled at tbe sides ; foramen 

 ratber large, deltidium distinct. Lon. 8, lat. 7, alt. 5 lines. 



Terebratula pentabedra, Minister, Beitrage, p. 109. 



Bronn, Index, j). 12-14 (not Ter. pentahedra minor, Miinst.). 

 Terebratula tetragona, Ramer, 1830, Nordd. Ool. p. 52. t. 2. f. 13. 

 Fossil. Coral Rag. Saxony ; Bavaria. 



Inferior Oolite. Stroud (Brit. Mus.). 



62. Waldheimia subimpressa. B.M. 



Shell diamond-sbaped, depressed, smootb, witb a few strongly 

 imbricated lines of growtb ; edges square ; margins quite even ; 

 dorsal valve flat ; ventral valve ratber prominent along the 

 centre ; beak prominent, straight, witb strong lateral ridges ; 

 foramen round ; deltidium narrow, sohd. Lou. 10, lat. 8, alt. 4A 

 lines. 



Terebratula subimi)ressa, var. elongata, Munster in Cambridge 

 Museum. 



E 



