AVICTTLIDJE.^PINNIDvE. 



Genus VULSELLA, Lamarck, 1799. 

 M^m. Soc. Hist. Nat. Paris, p. 82. 



Vulsella deperdita (?), Lamarck, 1819. 



Vuhelta deperdita. 

 Hist. Nat. Anim. sans Vert. 1819, vol. 6. part i. p. 222. 

 Mon. Pal. Soc. 1861, pi. ix. figs. 2% 2^, p. 35. (F. E. Edwards Coll.) 



Horizon and Localities. 

 Upper Eocene. — Barton Beds. Barton ; High Cliff. 



Family PINNID^, Gray. 



Genus PINNA, Linnaeus, 1766. 

 Systema Naturfe, ed. 12, vol. i. p. 1159. 

 Pinna affinis, J. Sowerby, 1821, 



Pinna affinis. 



Mineral Conchology, 1821, pi. 313. fig. 2. (Sowerby Coll.) 



Mon. Pal. Soc. 1801, pi. x. figs. 1», P, p. 55. (F. E. Edwards CoU.) 



Horizon and Localities. 

 Lower Eocene. — London Clay. Bognor ; Clarendon ; Highgate ; Alum Bay 

 (no. 4 Bed) ; Haverstock Hill. 



Pinna affinis, var. intermedia, S. V. Wood, 1861. 



Pinna affinis, var. intermedia. 

 Mon. Pal. Soc. 1861, pi. x. fig. 1', p. 55. (F. E. Edwards Coll.) 



Horizon and Locality. 



Lower Eocene. — London Clay. Newnham. 



Pinna arcuata, J. Sowerby, 1821. 



Pinna arcuata. 

 Mineral Conchology, 1821, pi. 313. fig. 3. (Sowerby Coll.) 

 Mon. Pal. Soc. 1861, pi. xi. fig. 8, p. 56. (Sowerby Coll.) 



Horizon and Locality. 

 Lower Eocene. — London Clay. Highgate. 



Pinna margaritacea, Lamarck, 1805 and 1807. 



Pinna maryaritacea. 



Ann. Mu3. 1805, vol 6. p. 218; 1807, vol. 9. pl.xv. fig. 8. 

 Mon. Pal. Soc. 1801, pi. xi. fig. 9, p. 56. 



Horizons and Localities. 

 Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay ; Huntingbridge ; 

 Brook. 



Pinna pyriformis, S. V. Wood, 1861. 



Pinna pyriformis. 



Mon. Pal. Soc. 1861, pi. x. fig. 2 ; pi. xi. fig. 10, p. 57. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Lower Eocene.— Lowifon Clay. Cuffell, near Basingstoke. 



