PARTULA.— Plate II. 



apex beneath the lens, columella thickened, furnished 

 above with a callosity, plicately gibbous, aperture 

 obliquely produced, lip callously reflected ; dull yel- 

 lowish, lip white. 



Bidimm mibdUnus, Pfeiffer, Pro. Zool. Soc. 1846, p. 39. 



Hah. ? 



Of this species also only a single specimen is yet known. 

 It is allied to the following, but is essentially distinguished 

 by its more oblong form. 



Species 11. (Tig. a, b, c, Mus. Cuming.) 

 Partula Otaheitana. Part, testa globoso-conicd, cras- 

 sissimd, interdum mnistrorsd, umbilicatd, anfractihus 

 quinque, convexis, Icsvibus, a/picem ve9'sus, sub lente, 

 teuuismme impresso-lineatis, columella incrassata, cal- 

 losltate sape superne mimitd, aperturd anriculatd, lahro 



valde calloso ; castaned, aut luted, aiit castaneo hdeoque 

 fasciatd, labro albo. 



The Otaheite Partula. Shell globose, conical, very 

 thick, umbilicated, sometimes sinistral, whorls five 

 in number, convex, smooth, very finely impressly 

 lineated towards the apex beneath the lens, columella 

 thickened, often furnished with a callosity above, 

 aperture auriculated, lip very callous ; chestnut, or 

 yellow, or chestnut and yellow banded, lip white. 



BuUiims Otalieitamis, Bruguiere, Enc. Meth. vol. i. p. 347. 

 Helix perversa, Chemnitz. 

 Eadem varietas. Partula aimculata, Broderip. 



Hab. Society Islands. 



An extremely variable species, of which Pig. 13 a, b, in 



the next plate, represents its most slender form, and the 



figures which accompany this description its most gibbous 



state, with callosity, constituting Mr. Broderip's P. auri- 



cidata. 



