DIPLOMMATINA $. 1. 13 
relictum, margine dextro juxta anfractum penultimum sinuato, 
tune angulatim antice porrecto, subtus una cum basali recto, 
columellari vertieah, subtus angulo obtuso desinenti, callo pa- 
rietali expanso, superne suturam fere attingente. — Long. 3!/,, 
diam. 2 mill  Apert. c. perist. vix 1!/; mill. longa, diam. 
intus cirea ?/4.* (Bl) 
Diplommatina scalaria W. T. Blanf. Contrib. to Ind. Malac. IX. 1868. p. 
3. t. 2. f. 2; Journ. As. Soc. Beng. XXXVII. Pt. 
9 di: [:50,212. 
Habitat ad latus occidentale montium Khasi. 
13. D. ungulata H. Blanford. 7 
,.lesta dextrorsa, ovato-conica, subrimata, tenuis, costu- 
lata, cereo-albida. Spira superne conica; sutura impressa; 
apex obtusulus. Anfractus 7; duo primi laevigati, ceteri con- 
fertim costulati; antepenulümus major, tumidus; penultimus 
supra aperturam constrictus; ultimus valde ascendens, ad basin 
rotundatus. Apertura subobliqua, subquadrata; plica columel- 
laris mediocris.  Peristoma subduplicatum, margine dextro 
evertato, juxta suturam sinuatum, in expansionem angustam 
unguiformem, antice productum; subtus rectum. Callus colu- 
mellaris late appressus. — Alt. 3, diam. vix 2; apert. alt. 1l, 
lat. 1 mill.* (Bl) 
JDiplommatina, ungulata .-H. Blanf. in Journ. As. Soc. Beng. XL. Pt. 2. 
1871. p. 42. t. 2. f. 5. 
Habitat apud. Darjeeling. 
Obs. Conformatione labri soli JD. scalariae W. Blanf. similis est. 
* 
14. polypleuris Bens. T II. 11. III. 10. — .JB/anf. 1868. t. 3. f. 1. — 
Var.: Godwin Austen in Journ. As. Soc. XXXIX. 1870. Pt. 2. p. 
4*). t. 1. f. 4. — Montes Khasia. 
*) Testa dextrorsa, ovata, cylindrica, non rimata, crassiusceula, pallide 
succinea, subtranslucens, undique regulariter, profunde et subceonfertim costu- 
lata; spira lateribus elevato-conoideis, apice obtuso; anfr. 6!/;, convexi, 
sutura profunde impressa; anfractus versus spiram regulariter decrescentes, 
antepenultimus et penultimus fere aequales, ultimus vix ascendens; apertura 
vertiealis, circularis; perist. duplex, modice crassum, externum et internum 
aequaliter evoluta, externum expansum, ad basin columellae angulatum, in- 
ternum strictum, in anfr. penultimo in callum tenuem angustum continua- 
tum; constrictio in fronte aperturae. —  Altit. 1!/,, diam. ?/,, diam. apert. 
!|s mill.* (A. angl.) 
