BY THE REV. J. E. TENISON-WOODS. 1087 



4. Faunus, Montfort, Conch. Syst. II. p. 427. 



Shell subulate, with an attenuated spire, whorls numerous, 

 smooth, covered with a blackish periostraca ; mouth notched in 

 front, columella lip rather thick, with posterior callosity ; outer 

 lip spreading with a posterior sinus, (Chenu, who figures the 

 common species here described, only admits it as a sub-genus of 

 Pirena). A tropical form with halt a dozen species at most, 

 belonging to tropical Asia, the Philippines, and Western 

 Polynesia. 



Faunus cantori, Reeve, Conch. Icon. fig. 2 ; Brot, Melan. 

 p. 414 = Pirena cantori, Reeve, Conch. Icon, tig 2, China. 



Penang. 



F. ATER, L. = Strombus ater, L. Syst. Nat. XII. p. 1213; Chemn. 

 pL 135, fig. 1227 =iVeoY« atra, Miill. Verm. No. 375 = Cen- 

 thium fluviatile, F^russ. Syst. Conch, p. 69 = Pirena atra (L.) 

 Mouss. Jav. Moll. pi. 10, fig. 1 ; Reeve, Conch. Icon. fig. 5 = 

 Faunus ater (L.) H. and A. Ad. Gen. ; Gray, Guide Syst. Dist. ; 

 Chenu, Man. Conch, fig. 2080 ; Brot, Melan. p. i\0 = Pirena 

 terehralis, Lam. An. s. V. No. 1 ; Q. and G. Voy. Astrol. pi. 56 = 

 Pirena picta, Reeve, Conch. Icon. fig. 3 (stat. juv.) 



Moluccas ; New Guinea ; New Ireland ; ,Iava ; Ceylon ; Am- 

 boyna, &c. 



5. Philopotamis, Layard, Ann. and Magaz. Nat. Hist. 

 1855, p. 138. 

 Operculum with the apex superior, jjaucispiral ; nucleus sub- 

 basal, dextral. 



Philopotamis olivaceus, Reeve, Conch. Icon. tig. 5 ; Brot, 

 Gatt. Palud. p. 16. 



6. Paludomus, Swainson, Treatise on Malacology, p. 340. 

 Shell thick, sub-globose or conical, solid, imperforate, smooth 

 or tubercular, covered with an olivaceous epidermis ; spire shorter 

 than the aperture, often eroded; aperture ovate,; inner lip 

 convex, thickened ; outer lip acute, the margin slightly reflexed ; 

 operculum annular, nucleus sub-central. 

 69 



