180 HELICID^. 



Hah. Burma : Tavoy (Mason) ; Mergui forest and King Island 

 (Anderson). Salanga (Weber) ; Penang (Martens) ; Saigoon (Mus. 

 Cuming, Semper). 



Both dextral and sinistral shells occur, but the former appear to 

 be more common than the latter. 



153. Ampliidromus moniliferus, Gould. 



Bulimiis moniliferus, Gould, Proc. Boston See. Nat. Hist, ii, 1846, 



p. 99; ibid., Otia Concli. 1862, p. 198. 

 Bulhnus (Amphidromus) moniliferus, Pfeiifer, Malak. Blatt. ii, 1856, 



p. 147; von Martens, Die Heliceen, ed. 2, 1860, p. 185. 

 Am[jJiidromus moniliferus, Nevill, Hand List, i, 1878, p. 126 ; 



Fulton, A. M. N. H. ser. 6, xvii, 1896, p. 90, pi. 7, fig. 9; 



Pilsbry, Man. Conch, ser. 2, xiii, 1900, p. 179, pi. 62, figs. 73, 74. 

 Bulitnus theobaldiamis, Benson, A. M. N. H. ser. 2, xix, 1857, 



p. ,329 ; Hanley & Theobald, Conch. Ind. 1870, pi. 19, fig. 10 ; 



1876, p. xi, and footnote 8. 

 Am])hidromus theobaldianus, Theobald, J. A. S. B. xlv, 1876, p. 187, 



pi. 14, fig. 8. 

 Amphidromus schomburghi, var. theobaldi, NeviU, Hand List, i, 



1878, p. 126. 

 Buliminus (Rhachis) theobaldianus, Kobelt, Conch.-Cab., Pam. Buli- 



minidae, 1900, p. 672, pi. 102, fig. 14. 



Original description: — "Testa conico-oblongata, plerumque sini- 

 strorsa, laevis, luteo-cinerea flammulis longitudinalibus, fascia 

 suturali lineari, et fascia subsuturali interrupta fuscis ; regione 

 umbilicali fusca, fascia lutea divisa ; aufr. 7, ultimo subcariuato ; 

 apertura subovata, basi angulata, sub-effusa ; labro reflexo, rubro- 

 purpureo, ad columellam dilatato ; fauce purpurea. 



" Long. Ii [=30-5 mm.] ; lat. /_ poll. [ = 17'75 mm.]." (Gotdd.) 



Hah. Burma: Tavoy (ilfason). 



154. Amphidromus sylheticus, Reeve. 



Bulimus sylheticus. Reeve, Conch. Icon. 1849, pi. 77, fig. 564 ; 



Pfeiffer, Couch.-Cab., Bulimus, 1853, p. 68, pi. 20, figs. 25, 26 ; 



Hanley & Theobald, Conch. Ind. 1870, pi. 19, fig. 9; Godwin- 

 Austen, J. A. S. B. xlv, 1870, p. 316._ 

 Bulimus (Amphidromus) sylheticus, Pfeiffer, Malak. Blatt. ii, 1856, 



p. 147. 

 Amphidromus sinensis, var. sylhetica (Benson), Nevill, Hand List, i, 



1878, p. 127. 

 Amphidromtis si/lheticus, Fulton, A. M. N. H. ser. 6, xvii, 1896, 



p. 79 ; Pilsbiy, Man. Conch, ser. 2, xiii, 1900, p. 189, pi. 63, 



tigs. 97, 98. 



*' Shell sinistral, umbilicate, ovate-conic, polished, striatulate, the 

 first whorl weakly puuctulate ; greenish-yellow below the periphery, 

 paler above, fading on the spire, tlie early whorls and apex whitish. 

 Whorls 5A, slightly convex, the last but weakly convex above, very 

 convex, full, and sack-like below. Aperture ovate, oblique, slightlv 

 brown or ochre-tinted within ; the peristome ivhite, rejiexed ; 



