OF CONCHOLOGY. 133 



Pterocera laniMs, Lam., Prod. p. 72 ; Hist. Nat. An. sans 



Vert. ed. 2, ix, 672. Reeve, Mon. Pterocera, sp. 8. 

 Pterocera [Hej)tadartylus) lambis, Moroh, Cat. Yoldi, p. 60. 

 Heptadactylus lambis, Ad. f. Gen. Moll, i, p. 261. 

 Harjjago lamhis, Ad. f. Gen. Moll. Atlas, pi. 27, f. 2. 



Angular fascicle carinated on spire, on the last whorl provided 

 with two enlarged tubercles ; labium with the callus diffused ; la- 

 brum with the margin (normally) eflected, with the spines eflected 

 outward and rather small, and with the ante-sinual lobe undu- 

 lated. Lips whitish, more or less sanguineous within and be- 

 hind. 



Hah. — Philippine Islands and Ceylon. 



2. P. CROCATA, Link.* 



Pterocera crocata, Link, Verz. Nat. Samml. Rostock ? 

 Pterocera aurantia, Lam., Hist. Nat. An. sans Vert. ed. 2, ix, 



675. Reeve, Mon. Pterocera, sp. 7. 

 Pterocera {He])tadactylus) crocata, Morch, Cat. Yoldi, i, p. 60. 

 Heptadactylus crocatiis, Ad. f. Gen. Moll, i, p. 261. 



Angular fasciole carinated on spire, and on the last whorl 

 armed with two enlarged tubercles ; labium with the callus con- 

 centrated, and stratified or folded near aperture ; labrum with 

 its margin inflected, the digitations successively more recurved, 

 and the antesinual lobe tridentate. Lips more or less orange or 

 saffron-colored. 



Hab. — Philippine Islands. 



3. P. BRYONIA, Reeve ex Gmel. 



Stromhus radix bryonia, Chem., Conch. Cab. x, p. 2"27, pi. 



159, f. 1512-15. 

 - Stromhus bryonia, Gmel. in Linn. Syst. Nat. ed. 13, p. 3520. 

 Stromhus truncatus, Dillw., Cat. ii, p. 659. 

 Pterocera tnvncata. Lam., Hist, Nat. An. sans Vert. ed. 2, ix, 



p. 671. Kiener, Spec. Gen. Pterocere, p. 3, pis. 1 and 10. 

 , Pterocera bryonia, Reeve, Mon. Pterocera, sp. 1. 

 Pterocera Sebce, Kiener (ex Val. \, Spec. Gen. Pterocere, p. 4, 



pi. 2, and pi. 4, f. 2 

 Pterocera radix bryonice, Morch, Cat. Yoldi, p. 60. 

 Heptadactylus radix-bryo)iice. Ad. f. Gen. Moll, i, p. 261. 

 Young. Pyrula hengalina, Grat., 1810. 



Angle coronated or tubereuligerous on spire, unarmed 



*'rhis name is accepted on authority of Morch. and Adams. 



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