DIPLOMMATINA. 
123 
distincto. — Operc. normale. — Long. 2, diam. vix 1 mill. 
Ap. 2 / s mill, longa. (Coll. Nr. 84.) 
Carychium cosiulatum Hutton mss. teste Bens. 
— parvulum Boys mss. in Mus. Brit. 
Diplommatina costulata Bens, in Ann. and Mag. 1849. Sept. p. 194. 
— — Pfr. Consp N. 180. 
— — Chemn. ed. II. t. 48. f. 34. 35. 
— costulaium Gray Catal. Cycloph. p. 55. N. 2. 
Habitat in montibus sub - Himalayanis occidentalibus (Bens.), 
Landour (Boys). 
4. D. Huttoni Pfr. 213 
T. sinistrorsa, rimata, ovato-conica , tenuis, minutissime 
costulato-striata , sericea, fulvescenti - albida ; spira subturrita, 
apice acuta; anfr. 57 2 convexi, ultimus angustior; apertura 
subobliqua , depresso-subcircularis ; perist. subcontinuum , du- 
plicatum: internum brevissimum, margine columellari obsolete 
calloso-dentato, externo breviter expanso. — Long. 2 7 S , diam. 2 
medio 1 mill. Ap. vix 2 / s mill, longa. (Coll. Nr. 857)r 
Diplommatina Huttoni Pfr. in Proc. Zool. Soc. 185 j. 0 . k fb 7 
— — Pfr. Consp. N. 181. 
— — Chemn. ed. II. t. 48. f. 36. 37. 
Habitat Muporee Indiae. 
IX. Megalomastoma Guilding. 
Operculum sub circular e , tenue, corneum, arctispirum, 
planiusculum. Testa anguste vel vix perforata, oblongo-tur- 
rita vel pupaeformis; apertura subcircularis , interdum canali 
levi laterali instructa ; peristoma vel duplicatum, expansum vel 
incrassatum, rarius rectum, simpliciter incrassatum. 
Megalomastoma Guild, in Swains. Malac. p. 186. 336. *) 
— Pfr. in Zeitschr. f. Mai. 1847. p. 109. 1851. p. 148. 
Consp. p. 20. 
*) „ Cylindrical , resembling Pupa, but has a horny operculum; spire 
not thickened; teeth or fold on the pillar none.“ Typi : C. flavula Lam. et 
M. brunneum Guild. (Swains, p. 336.) 
