10 
DIPLOMMATINA §. 1. 2. 
§• I- 
1. Sowerbyi Pfp. (Coll. 25. — Gray Phan. p. 85. — 
D. minor (Arinia] Ad. Gen. p. 288. — Cyclostoma 
minus Sow.) Mo n. p. 121. 
§. 2 . 
2. follleulus I»fp. (Coll. 26. — Gray Phan. p. 86.— 
Ch. ed. nov. p. 388. t. 48. f. 32. 33. — Ad. Gen. 
p. 287. t. 86. f. 5. — Carychium costatum Hutt. — 
Bulimus folliculus Pfr. olim.) _ _ 122 
3. eostulatst Hutt- (Coll. 27. — Gray Phan. p. 86!—* 
Ch. ed. nov. p. 389. t. 48. f. 34. 35. — Ad. Gen. 
p. 287. — Carychium costulatum Hutt — Cary - 
'c cliium parvulum Boys,) . _ - 122. 
4. D. diploeheilus Benson. 
T. dextrorsa, vix rimata, ovato-conica, subfusiformis, me- 
dio ventricosior , solidiuscula , carneo - albida, vix translucens, 
leviter nitens; spira. conica, apice acuta; sutura profunda; 
anfr. G 1 /^ — 7 convexi, primi costati, 3 postremi laeviores, an- 
tepenultimus major, tumidus; apertura verticalis, subauricula- 
ris, pallide carnea, nitens, plica columellari valida nutante mu- 
nita, perist. duplex: internum continuum, expansum, externum 
planato-expansum , margine sinistro sinuato , infra angulo sa- 
liente desinens, callo parietali magno, expanso, superne sutu- 
ram fere attingente , subtus soluto marginem elevatum for- 
mante. — - Operculum retractile. — Long. 3 2 / 3 , diam. 2 mill. 
Ap. 1 mill, longa. (Coll. Benson.) 
D ip lo m m a tin a diplocheilus Bens, in Ann. and Mag. 2d. ser. 1857. XIX. 
— Pfr' Novit. conch. I. n. 234. t, 37. f. 13 — 15. 
Habitat ad Teria Ghat, Montium Khasia dictorum portam 
(W. Theobald). r 
5. D. paeliycheilus Benson- 
T. dextrorsa, non rimata, ovato-acuminata, laevis, obso- 
lete costulato-striata , pallide cornea, translucens, nitida; spira 
attenuato-conica, apice obtusiuscula; sutura impressa; anfr 7 
convexiusculi , antepenultimus major, tumidus, ultimus antice 
alte ascendens ; apertura verticalis, late auricularis, plica colu- 
mellan valida^ transversa, munita; perist. subduplex, sinuatum, 
incrassatum , infra sinistre angulatum , callo parietali expanso, 
appresso, margine columellari sinuato. — Operc ? — Lono- 4 
diam. 2i/ 3 mill. Ap. H/4 mill, longa. (Coll. Benson.) ’ 
Diplommatina pachycheilus Bens, in Ann. and Mag. 2d. ser. 1857. XIX. 
