108 PUPOIDES. 



dred feet above. It belonged to the lowland fauna, which has 

 been almost wholly destroyed by deforestation since the dis- 

 covery of the islands by Europeans. 



The Laie specimens are rather small : 



Length 3.7, diam. 2.1 mm. ; 4y 2 whorls. 



Length 3.2, diam. 2 mm. ; 4 whorls. 



Those from Molokai and West Maui offer no noticeable 

 variation from the Oahuan shells. 



Genus PUPOIDES Pfeiffer. 



Pupoides PFR., Malak. Blatter, i, 1854, p. 192, for Bulimus 

 nitidulus Pfr. and B. marginatus Say. PILSBRY and VAN- 

 ATTA, Proc. A. N. S. Phila., 1900, p. 585. KOBELT, Syst. Con- 

 chylien-Cabinet, Buliminidae, p. 917. IREDALE, Proc. Malac. 

 Soc. Lond., xi, p. 176. GUDE, Fauna of British India, Moll., 

 ii, 1914, p. 259, P. nitidulus Pfr. selected as type. 



Leucochila- v. MARTENS in Albers, Die Heliceen, 1860, p. 

 296, type by original designation Pupa fallax (=P. margi- 

 natus Say). 



Leucochiloides PFEIFFER, Nomencl. Hel. Viv., 1878, p. 292. 

 B. lardeus (Pfr.) designated as type by Connolly, Ann. S. 

 Afr. Mus., xi, 1912, p. 176. 



The shell is small (about 3 to 6 mm. long), rimate, long- 

 ovate, turrited or rarely cylindric, with obtuse apex and few 

 (generally 5-6) rather long whorls. Aperture ovate, toothless 

 except for a small, tuberculiform, angular lamella close to the 

 insertion of the outer lip, or united with it, rarely wanting; 

 peristome expanded, reflected and usually thickened within. 

 Internal axis slender, perforate (pi. 17, fig. 1). 



Type: P. nitidulus (Pfr.). Distribution: all of the conti- 

 nents except Europe. 



Pupoides differs from PupUla by the tapering spire, the 

 longer, more loosely coiled whorls, longer aperture and the 

 obliquity of the parietal margin of the latter. There is never 

 a crest or a furrow behind the lip. It is closely similar to the 

 genus Ena (Bulimmius of many authors) ; almost the only 

 difference in the shells is that Pupoides is smaller. The geni- 

 talia in P. marginatus show close similarity to Pupilla, the 



