SMITH : LAND -SHELLS FROM SOUTH CELEBES. 99 



This species is very peculiar, and does not suggest a comparison 

 with any other known form. It hardly agrees with the genus 

 Calycia in the expanded character of the peristome, but it appears 

 to approach that group more closely than any other. I have much 

 pleasure in associating Mr. Everett's name with this interesting 

 discovery. 



16. Clausilia Celebensis. PL VII, Fig. 24. 



Testa elongata, suhclavata, saturate purpureo-fusca, apiccm versus 

 propeque suturam pallida; anfractus 10, convexiusculi, oblique 

 tenuiter striati, penultimus ultimo latior, ultimus autice paulo 

 ascendens ; apex mammillatus ; apertura inverse auriformis, longit. 

 totius \ paulo minor, intus livido-purpurca ; peristoma albidum, 

 leviter incrassatum, et refiexum. Lamella superior tenuis, ad 

 marginem attingens, inferior longe intus, subcolumellaris gracilis, 

 obliqua, 1. inferiori approximata, ad marginem labri fere attingens ; 

 plica suturalis unica elongata, supra aperturam, suturse parallela; 

 lunella distincta, supra aperturam sita. Locgit. 24, diam. fere 6 mm. 

 Var. Testa tenuis pallido- cornea. 



iZ«^.— Bonthain Peak, South Celebes, at 5,000 to 6,000 feet; also 

 South Celebes at 2,000 feet. 



Most of the specimens are of a dark purplish -brown colour, paler 

 towards the apex and at the suture. In some of the older shells 

 the surface becomes more or less decomposed and assumes a greenish 

 chalky appearance, and frequently is somewhat worn away at the 

 suture, which consequently presents a slightly channelled aspect. 

 Only two specimens of the pale corneous variety were obtained. 

 Some examples are much more slender than others, as shown by the 

 following measurements: length 23"75, diameter 6 mm. ; length 23*25, 

 diameter 5 mm. 



17. Clausilia simillima. pi, VII, Fig. 25. 



Testa elongata, superne attenuata, saturate purpureo-fusca, oblique 

 rugose striata, ad sutui'am denticulata; anfractus 10-11, leviter con- 

 vexiusculi; apertura piriformis, intus sordide purpureo-fusca; peristoma 

 expansum, reflexum, ad marginem pallidum ; lamella superior tenuis, 

 marginem attingens, inferior intus scepe bifurcata, parte superiore 

 lamellte superiori adjuncta; lamella subcolumellaris nulla. Plicae 

 suturales duo, superior elongata, suturam parallehi, interior leviter 

 obliqua, multo brevier; plica palatalis unica obliqua, supra rimam 

 umbilicalcm sita. Longit. 20'5, diam. 4 mm. 



i/r^5.— South Celebes, at 2,000 feet. 



This species is very like C. Moluccensis, Martens, as regards form, 

 but is more coarsely striated, strongly dentate at the suture, and of 

 a much richer brown colour. The form and armature of the mouth 

 are very similar. 



18. Clausilia subpolita. PI. VII, Fig. 26. 



Testa parva, subpellucida, fusco-comea, nitida, lineis incrementi 

 tenuibus obliquis striata; anfractus 10, superiorcs 6-7 convexiusculi, 



