78 
DIPLOMMATINA §. 1. 
distincta, in anfractn ultimo distantior; spira conoidea, apice 
obtusa; sutura profunde impressa; anfr. 5, lateribus percon- 
vexis, antepenultimus maximus et tumidus, ultimus in pen- 
ultimum fere ad suturam ascendens, latitudinem hujus valde 
contrahens; apertura verticalis, late auriculata; perist. solidum, 
duplex, externum crassum, validum, interruptum; internum 
continuum, sursum latere sinistro in callum parietalem late 
appressum expansum; dens columellaris magnus crassusque; 
basis prominens, descendens. — Altit. l 1 /^? diam. 3 / 4 , diam. 
apert. 4 / 3 mill. 44 (A. angl.) 
Diplommatina depressa Godwin- Aust. in Journ. As. Soc. XXXIX. 1870. 
Pt. 2. p. 2. t. 1. f. 2. 
Habitat „Jaintia Hills 44 montium Khasia. 
28 . D. angulata Theobald & Stoliczka. f 
„D. testa ovato-elongata, dextrorsa, vix rimata, sordide 
alba, anfractu penultimo latissimo, apice obtusiusculo, pallide 
rubido, submammillato ; anfractibus 6, primis duobus laevigatis, 
caeteris valde convexis, ad peripheriam plus minusve distincte 
angulatis, transversim confertissime costellatis aut acute striatis; 
ultimo basi contracto; sutura profunda, simplice; apertura late 
circulari, peristomate undique expanso, bilabiato, interno sub- 
recto, ad marginem columellarem dente obliquo instructo, ex- 
terno ad anfractum penultimum constrictum modice ascen- 
dente. — Long. 2, lat. maxima 0,8, diam. apert. 0,6 mill. 44 
(Th. & St.) 
Diplommatina angulata Theob. 8f Stol. in Journ. As. Soc. Beng. XLI. 
1872. Pt. 2. p. 331. t. 11. f. 3. 
Habitat prope Moulmain, provincia Martaban. 
29 . D. Richthofeni Theobald & Stoliczka. + 
„Dipl. testa ovate elongata, turrita, dextrorsa, albida, ri- 
mata; spira conoidea; anfractibus 7, convexis, ad medium sub- 
angulatis, sutura simplici junctis, penultimo ultimo latiore: 
primis duobus apicem formantibus laevigatis, caeteris trans- 
versim conferte costellatis, ultimo basi convexo, angustato, 
supra ad anfr. penultimum ascendente; apertura parva, circu- 
lari, peristomate duplici: interno tubuliforme modice producto 
atque dilatato; labio ad basin dente obliquo et magno in- 
structo. — Long. 2,5, lat. max. 0,8, diam. apert. 0,5 mill. 44 
(Th. & St.) 
