MYTIUDJE. 13 



Modiola Prestwichii, J. Morris, 1856. 



Modiola I'restwicAii. 



Forbes, < Isle of Wight,' Mem. Geol. Surv. 1856, pi. 2. fif,'. r>, pp. 46, 147. 



Mod. Pal. Soc. 1861, pi. xiii. &g. 7, p. 69. (F. E. Edwards Uoll.) 

 Horizon and Locality. 



Oligocene. — Hempstead Beds. Hempstead. 



Modiola pygmsea, S. V. Wood, 1861. 



Modiola pyr/maa. 



Mod. l''ai. Soc. 1861, pi. xiii. fig. 4, p. 70. (F. E. Edwards Coll.) 

 Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Modiola seminuda, Deshayes, 1824. 



Modiola seminuda. 



Coq. Foss. Paris, 1824, vol. i. pi. xxxix. figs. 20-22, p. 264. 



Mon. Pal. Soc. 1861, pi. xiii. figs. 1«, l^ p. 70. (F. E. Edwards Coll.) 

 Horizon and Localities. 



Upper Eocene. — Barton Beds. Barton ; High Clifl'. 



Modiola simplex, J. de C. Sowerby, 1850. 



Modiola timple.r. 



Dixon's ' Sussex,' 1850, pi. xiv. fig. 16, p. 225. (Dixon Coll.) 



Mon. Pal. Soc. 1861, pi. xii. figs. 7', 7^ p. 71. (F. E. Edwards Coll.) 



Horizons and Localities. 



Lower Eocene. — London Clay. Alum Bay (no. 4 Bed) ; Primrose Hill ; 

 Haverstock Hill ; Bognor. — Thanet Sands. Heme Bay; Pegwell Bay. 



Modiola subcancellata (Edwards, MS.), S. V. Wood, 1864. 

 Modiola subcancellata. 



Mon. Pal. Soc. 1864, pi. xix. fig. 15, p. 77. (F. E. Edwards CoU.) 

 Horizon and Locality. 



Upper Eocene. — Barton Beds. High Cliff. 



Modiola subcarinata (?), Lamarck, 1805 and 1807. 

 Modiola suhcarinata. 



Ann. Mus. 1805, vol. 6. p. 122; 1807, vol. 9. pi. xv. fig. 10. 



Mineral Conchologv, 1818, pi. 210. fig. 1. (&*owerby Coll.) 



Mon. Pal. Soc. 1804, pi. xix. fig. 20, p. 77. (F. E. Edwards Coll.) 

 Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 



Lower Eocene. — London Clay. Southampton ; Highgate. 



Modiola stdcata, Lamarck, 1805 and 1807. 



Modiola sulcata. 



.\nn. Mus. 1805, vol. 0. p. 12.3 ; 1807, vol. 9. pi. xv. fig. 10. 



Mon. Pal. Soc. 1861, pi. xiii. fig. 11, p. 72. (F. E. Edwards Co^) 

 Horizon and Locality. 



Upper Eocene. — Burton Beils. Ba.'ton. 



