58 TESTACEOUS MOLLUSCA. 
anteriorly slightly angular, violet, thin, with transverse wrinkles, 
and oblique wavy strize, and posterior imbricated and scaly ribs. 14. 
—India. Bears some resemblance to Cardium Bullatum, (which 
also has its posterior margin crenulated,) but is rather smaller and 
narrower. 
P. Cavennensis. Lam. 11.—Brug. Cat. mem. de la Soe. 
@ Hist. Nat. p. 126.—Del.t.5. f. 7. Oval, sub-equilateral, nearly 
smooth, anteriorly flexuous, white, posterior end rounded, anterior 
narrow and somewhat beaked.1— Not unlike E. t. 227. f. 1. 
P. TELLINELLA.* Lam. 13.—P. Froriva. Turt. Biv. t. 6. 
J. 9. Oblong, nearly smooth, thin, sub-equilateral, anteriorly 
obtusely angulated, posteriorly rounded, yellowish with either red 
interrupted rays or zones, but always with one small distinct 
posterior ray, which only proceeds a short distance from the beaks. 
4..3.—British Channel. 
P. Purcnetia. Lam. 14.—Tevtina Gari. Ch. f. 92.— 
W. t.3. f. 6. Oval-oblong, thin, reddish violet, with elegant 
striz, of which those on the anterior side differ from the rest, and 
are separated from them by an oblique angle. 
P. Fracitis. Lam. 16.—Del. t. 5. f. 8. Oval-oblong, an- 
teriorly sub-angulated, posteriorly attenuated, very brittle, thin, 
and transparent ; reddish purple, obscurely rayed, with fine trans- 
verse strize and minute vertical lines. 11.—New Holland. 
P.Garatea. Lam. 18. Elliptic, depressed, milk-white, reticu- 
lated by minute transverse and very oblique longitudinal strie, 
except on the anterior side, which is smooth and obliquely trun- 
cated: white within.— South Seas. 
P. Rosrrata. Desh.—Soten R. Lam. 21.—S. Dieuos. D. 
p- 63.—Ch. f. 53, 4.— W. t. 3. f. 21.—Saneurnovaria D. Reeve. 
52. f.2. Elongated, oblong, attenuated, beaked, and rather longer 
anteriorly, rounded posteriorly, smooth thin and brittle ; violet 
with darker radiating shades, and sometimes white ones spreading 
obliquely from the hinge to the anterior margin : nymphe prominent: 
violet within : hinge with two teeth in one valve, and a single one 
in the other. 14..34. 
P. Livipa. Lam.17. Oblong, shining, livid flesh colour, trans- 
versely striated and marked with minute interrupted vertical lines ; 
anterior end angulated, and its depression narrow and unequal. 11.— 
New Holland. 
P. AurantiA. Lam. 15.—Gatromna Mavuritiana. Sow. G. 
J. 4, 5.— Reeve t. 54. f. 4,5. Ovate-oblong, nearly equilateral, 

1P. Levieata, Lam. 12, appears from the Museum specimen 
to be a Tellina akin to Nymphalis. I subjoin its characters— 
Ovate, white, with the beaks tinged with pink ; smooth, posterior 
end the broader and rounded, anterior narrower. 4. 
