DIPLOMMATINA §. 1. 
73 
relictum, margine dextro juxta anfractum penultimum sinuato, 
tunc angulatim antice porrecto, subtus una cum basali recto, 
columellari verticali, subtus angulo obtuso desinenti, callo pa- 
rietali expanso, superne suturam fere attingente. — Long. 3 l / 2 , 
diam. 2 mill. Apert, c. perist. vix l l / 2 mill, longa, diam. 
intus circa 2 / 3 .“ (Bl.) 
Diplommatina scalaria W. T. Blanf. Contrib. to Ind. Malac. IX. 1868. p. 
3. t. 2. f. 2; Journ. As. Soc. Beng. XXXVII. Ft. 
2. t. 2. f. 2. 2 a. 
Habitat ad latus occidentale montium Khasi. 
i3. D. ungulata H. Blanford. f 
„ Testa 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; antepenultimus 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. 1, 
lat. 1 mill." (Bl.) 
Diplommatina 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 D. scalariae W. Blanf. similis est. 
14. polypleuris Bens, f II- H- HI- 10. — Blanf. 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, crassiuscula, pallide 
succinea, subtranslncens, undique regulariter, profunde et subconfertim 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 
verticalis, 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. l l / 2 , diam. 2 / 3 , diam. apert. 
i j 3 mill. 44 (A. angl.) 
