DIPLOMMATINA §. 1. 
71 
major, ultimus versus aperturam interdum subdistanter costu- 
latus, antice ascendens. Apertura verticalis, late auricularis, 
subcircularis, plica columellari valida munita; peristoma rectum, 
incrassatum, subtriplex, externum valde expansum, internum 
expansum, sulcatum, subduplex, margine columellari brevi, 
subsinuato, subtus angulo vix saliente desinente; callo parie- 
tali tenui, mediocriter expanso. — Long. 3 3 / 4 , diam. vix 2 mill. 
Apert, cum perist. l l / 2 mill, longa, diam. intus circa 3 / 4 .“ (Bl.) 
Diplommatina labiosa W. T. Blanf. Contrib. to Ind. Malac. IX. 1868. p. 
4. (Journ. As. Soc. Beng. XXXVII. Pt. 2) t. 2. f. 3. 
Habitat in montibus Khasi et Garo dictis (Godwin- Austen). 
7. pachycheilus Bens. II. 10. III. 9 . — Blanf. 1868. t. 1. f. 6. (Long. 
5, non 4 mill.) — Patel Cat. p. 118. — Darjiling. 
8. D. tumida Austen, f 
„Testa dextrorsa, tumide ovato-fusiformis, pallide cornea 
vel viridula, undique confertim ac subtiliter costulata; spira 
attenuata, acuminatiuscula ; anfr. 8, lateribus superne planis, 
deorsum rotundatis, inferiores tumidi, penultimus maximus, 
immediate pone peristoma distincte constrictus, ultimus in pen- 
ultimum leviter ascendens; sutura impressa; apertura verti- 
calis, circularis, margine columellari substricto, dente magno; 
perist. duplex, modice incrassatum et continuum, callum in 
penultimo formans. — Altit. 0,23, diam. 0,13, diam. apert. c. 
perist. 0,07 poll.“ (A. angl.) 
Diplommatina tumida Godwin- Austen in Journ. As. Soc. XXXIX. 1870. 
Pt. 2. p. 6. t. 2. f. 2. 
Habitat „N. Cacbar hills “ montium Khasia. 
Obs. Peraffinis D. pachycheilo Bens., sed etiam characteribus ad Blan- 
fordianam accedens. 
9. D. semisculpta Blanford. + 
„ Testa dextrorsa, non rimata, ovato-conica, solidiuscula, 
albida vel succinea. Spira conica, subattenuata, apice acutius- 
culo, sutura superne mediocriter impressa, subtus profunda. 
Anfr. 7 convexi, primi costulati, postremi laevigati, antepen- 
ultimus major, ventricosus, penultimus juxta aperturam leviter 
constrictus, ultimus antice ascendens, subtus rotundatus. Aper- 
tura verticalis, late auricularis; peristoma incrassato-expansum, 
subduplex vel duplex, margine dextro subrecto, columellari sinu- 
ato, angulo saliente subtus desinente, basali juxta angulum fere 
