Ifi LAMELLIBRANGHIATA. 



Area depressa, J. de C. Sowerby, 1824. 



Area depressa. 

 Mineral Ooncliology, 1824, pi. 474. %. 2. (Sowerby Coll.) 

 Mon. Pal. Soc. 1864, pi. xiv. figs. 4»-4% p. 82. (Sowerby Coll.) 



Horizons and Localities. 



Lower Eocene. — London Clay. Basingstoke ; Highgate. — Woolwich Beds. 

 Charlton. 



Area Dulwiehiensis (Edwards, MS.), S. V. Wood, 1864. 



Area Dulwiehiensis. 

 Mon. Pal. Soc. 1864, pi. xv. figs. B", &>, 15, p. 82. (F. E. Edwards and 

 Prestwich Colls.) 



Horizon and Locality. 



Lower Eocene. — Woolwich Beds. Dulwich. 



Area eximia (Edwards, MS.), S. V. Wood, 1864. 



Mon. Pal. Soc. 1864, pi. xv. fig. 3«, p. 83. (F. E. Edwards Coll.) 

 Horizon and Locality. 



Middle Eocene. — Braeklesham Beds. Brook. 



Area globulosa (?), Deshayes, 1824. 



Area globulosa. 

 Coq. Foss. Paris, 1824, vol. i. pi. xxxiii. figs. 4-6, p. 209. 

 Mon. Pal. Soc. 1864, pi. xv. figs. 9", &>, p. 84. (F. E. Edwai-ds Coll.) 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton ; High Clifi". 

 Middle Eocene. — Braeklesham Beds. Bramshaw. 



Area impolita, J. de C. Sowerby, 1837. 



Area impolita. 



Trans. Geol. Soc. 1837, 2nd ser. vol. v. part 1, pi. viii. fig. 10, p. 136. 

 Mon. Pal. Soc. 1864, pi xv. figs. 4", 4", p. 84. (F. E. Edwards CoU.) 



Horizon and Localities. 

 Lower Eocene. — London Clay. Potter's Bar ; Haverstock HiU ; Primrose 

 11 ill; Ilampstead ; Highgate. 



Area interrupta, Lamarck, 1805. 



Area interrupta. 



Ann. Mus. 1805, vol. 6. p. 220. 



Mon. Pal. Soc. 1864, pi. xv. figs. '2,% 2", p. 85. (F. E. Edwards CoU.) 

 Horizon and Locality. 



Middle Eocene. — Braeklesham Beds. Braeklesham Bay. 



Area laevigata) Caillat, 1835. 



Area l<Bvigata. 



M6m. Soc. Sci. Nat. 8eine-et-0ise, 1835, pi. ix. fig. 7, p. 240. 

 Mon. Pal. Soc. 1864, pi. xv. figs. 8", 8", p. 86. (F. E. Edwards Coll.) 

 Horizons and Localities. 

 Oligocene. — Headon Beds. Hordwell ; Lyndhurst : Headon Hill : ColweU 



Bay. 

 Upper Eocene. — Barton Beds. High Clifi"; Barton. 



Middle Eocene. — Braeklesham Beds. Braeklesham Bay ; Bramshaw ; Stub- 

 bington. 



