BIPLOMMATIXA. 307 



smooth ; colour pale sienna, ; spire with convex sides ; suture 

 moderately impressed ; whorls 7^, sides convex, antepenidtimate 

 rather the largest ; constriction in front, above the aperture, but 

 to the right side; aperture oval, vertical; peristome douhle ; 

 columellar tooth sharp, well developed-, directed downwards and 

 well in front. 



" Major diani. l"7o ; alt. axis 3 millim." 



Ilah. Burma: Prowi, Lahupa-iVaga JlilLs. {Godwin- Austen.) 

 "A large form of this I fountl at Tellizo Peak, Anghami-Xaga 

 Hills, on the North Munipur frontier line." (Godium-Ausien.) 



468. Diplommatina coiivohita, Godwin- Austen. 



Diplotnmatina convolnta, Goclwiu-Austen, J. A. S. B. xliv, part 2, 

 LSTo, p. 9. pi. 4, fiii-s. 8, 8«, 8i ; PfeitTer, Mou. Pneum. Suppl. 3, 

 187(5. p. .'593; Hanlev & Theobald, Conch. Ind. 1876, p. xii ; 

 Nevill, Hand List, i, 1878, p. 'im. 



Diplommatiiia {Eudiplommatina) convoluta, Kobelt & Mollendortf, 

 Nachr. Dents. Malak. Ges. xxx, 1897. p. 136 ; id.. Cat. Pueum. 

 1899, p. m. 



DijAovundtina (Diphwnnatiiia) cunvolitta, Kobelt, Das Tierreich, 

 Lief. 16, 1902, p. 429. 



Orvjinal description : — " Shell dextral, elongately fusiform, solid, 

 pale yellowish or greenish liorny, very finely costulated towards 

 the apex, 2 last whorls smooth, striated near the aperture, spire 

 with rather flattened sides, suture impressed ; whorls 8, ante- 

 jjenultimate the largest, the penultimate constricted at ^ turn 

 behind the peristome, the last ascends very sharply, contractijig 

 the breadth of the penultimate very considerably ; aperture sub- 

 vertical, lying to the right of tlie axis ; peristome circular, solid, 

 double, the tooth small and situated far within the columellar 

 margin, lip scarcely reflected. Animal not seen. 



"Alt. 0-25 [6-25], diam. 0-15 in. [;3-75 mm.j." 



ffab. India : slopes of the Eastern Burrail, 6000 ft. 



"A very near ally of D. jatingana, G.-A., from which it is 

 readily distinguishable by the situation and reduced size of the 

 columellar process, its elongate ilat-sided form, and very ditTerent 

 sculpture."' {Godwin- Ansten .) 



469. Diplommatina costulata, Jienson. 



Dijilitiitmatina "ostidafinn (Caryclumn costulntinn, Iliittoii 31S.), 

 Jienson, A. M. N. 11. ser. 2, iv, 1849, p. l!»4 ; Grav, Noniencl. 

 Moll. Brit. Mus.i, 1850, p. 55 ; Pfeiffer, Zeits. Malak. viii, 1851, 

 p. 148; id., Cat. Phaneropn. Brit. Mus. 1852, p. 8G; id., Mon. 

 Pneum. 1852, p. 122; id., Conch. -Cab., Cvclostoraaceen, 1854, 

 p. 389*, pi. 48, fig-s. 34, 35 ; Adams, Gen. Rec. Moll, ii, 1856, 

 p. 287 ; Hanlev & Theobald, Conch. Ind. 1875, pi. 120, tigs. 8, 9 ; 

 Nevill, Hand List, i, 1878, p. 287. 



Diplommatina costutii, Theobald, Cat. Shells Brit. India, 1676, 

 p. 41. 



x2 



