88 



many email (prcminent) costa; ; hmule cordate ; margin crenu- 

 lated within."^- 



This, as it names implies, is a very neat form. It is by no 

 means uncommon, especially at Bradford Abbas. It is reported 

 from tlie Cotteswolds and also from Dundry, in Somerset. 

 Proportions : Length, 17 ; breadth, 14 ; depth, 10 lines. 



ASTARTE MULTICOSTATA (nOBIs). FIG. 12. 



Shell sub-triangnlar, with a rounded base ; posterior margin, 

 gibbose ; anterior nearly straight ; umbo nearly in the middle of 

 the shell, thus differing from A elegans, which has it near the 

 posterior margin ; lines exceedingly numerous, but very dis- 

 tinct ; more than double the number of the former shell. 

 Proportions : Length, 21 lines ; breadth, 19 ; depth, 15. 



Occurs very rarely at Bradford Abbas, and also at Clatcombe. 



ASTARTE SPISSA (nOBIs). FIG. 13. 



Shell sub -triangular ; gibbose, tmnid, base rounded, lunule 

 large for the size of the shell, and heart shaped. Lines numerous, 

 but distinct, creuulations very sharp. 



Proportions : Length, 6 lines ; breadth, 5 ; depth, 4. 



This shell occurs somewhat commonly at Milborne Port in the 

 White Oolite, but I have not found it at Bradford Abbas. 



ASTARTE SUBQU.UDRATA. FIG. 14. 



Shell somewhat c^uadrate, posterior margin nearly straight and 

 inclined outwards, upper margin incurved, anterior somewhat 

 truncate, base flattened, lunule very small and narrow, costse 

 numerous and distinct. 



Proportions : Length, 9 lines ; breadth, 8 ; depth, 5. 

 * Sow, Min, Conch, vol. ii, page 86. 



