CBASSATELLIDJE. 33 



Crassatella subquadrata (Edwards, MS.), 8. V. Wood, 1871. 

 Crassatella suhquadrata. 



Mon. Pal. Soc. 1871, pi. xxiii. flg8. 12", 12", p. 169. (F. E. Edwards Coll.) 

 Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Brackksham Beds, Whitecliff Bay. 



Crassatella sulcata, Solander, 1766. 



Tellina sulcata. 

 Brander's ' Foss. Hant.' 1706, pi. vii. fig. 89, p. 87. 



Crassatella sulcata. 

 Mineral Conchology, 1822, pi. 345. fig. 1. (Sowerby Coll.) 

 Mon. Pal. Soc. 1871, pi. xxiii. figs. II'-IP, p. 170. (F. E. Edwards Coll.) 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Crassatella sulcata, var. ensiformis (Edwards, MS.), S. V. Wood, 

 1871. 



Crassatella sulcata, var. ensiformis. 



Mon. Pal. Soc. 1871, pi. xxiii. figs. 7", 7^ p. 170. (F. E. Edwards Coll.) 

 Horizon and Localiti/. 



Upper Eocene. — Barton Beds. Barton. 



Crassatella sulcata, var. gradata, S. V. Wood, 1871. 



Crassatella sulcata, var. gradata. 

 Mon. Pal. Soc. 1871, pi. xxiii. figs. 4'>, 4>', p. 171. (F. E. Edwards Coll.) 



Horizmts and Localities. 



Upper Eocene. — Barton Beds. High Cliff. 



Middle Eocene. — Bracklesham Beds. Huntingbridge. 



Crassatella tenuisulcata (Edwards, MS.), S. V. Wood, 1871. 

 ( 'rassa tella ten uisulca ta . 



Mon. Pal. Soc. 1871, pi. xxiii. figs. 2", 2^ p. 171. (F. E. Edwards Coll.) 

 Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Crassatella tenuisulcata, var. lineatissima (Edwards, MS.), S. V. 

 Wood, 1871. 



Crassatella tenuisulcata, var. lineatis.<(ima, 



Mon. Pal. Soc. 1871, pi. xxiv. figs. 6", G", p. 171. (F. E. Edwards Coll.) 

 Horizon and Localities. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay ; Bramshaw; Brook. 



