1GG 
TELLINA. TELLEN. 
and sinuous, thickened outwardly by a border; inner-lip 
smooth, with a slight canal: length hardly half an inch ; 
breadth a third of its length. 
Variety. Without the raised spiral line at the bottom 
of the volutions. 
Strombus turboformis. Montagu, pi. 30. f. 7- 
Mr. Dillwyn remarks that the Str. costatus, a very rare 
and local species, is plentiful in Bantiy bay. We have re¬ 
sided there for a week together, for the sole purpose of ex¬ 
amining the heaps which are dredged up for manure, and 
have never been so fortunate, nor have any of our concho- 
logical friends, as to find a single specimen. It is probable 
that he mistook for it the Murex reticulatus, the most com¬ 
mon of the shells among those heaps j and the more so, 
as at the time he made his visit to that part of Ireland, he 
confessedly paid little attention to this department of na¬ 
tural history. 
On the Western and Scotch coasts : rare. v. m. 
TELLINA. TELLEN , 
Shell with two valves, generally sloping or 
curved to one side at the anterior end : hinge with 
usually three primary teeth, and the lateral teeth 
in one of the valves obsolete. 
A. Oval and convex, 1 to 4. 
B. Oval and flat, 5 to 15. 
C. More or less orbicular, 1G to 32. 
1. Tellina fragilis. Brittle Teden. Fig. 18. 
Lister, pi. 390. f. 229. 
Tellina jugosa. Brown , JVcrn. Sqc. pi. 24. f. 2. 
Shell extremely thin and brittle, rounded and tumid at 
one end, and produced to a rough rounded point at the 
other, where it is something angular and a little gaping; 
valves equal, with numerous rather unequal extremely thin 
elevated transverse ridges, which become stronger and re¬ 
curved towards the ends, with the interstices very faintly 
Striate both transversely and longitudinally : color white, 
