10 DIPLOMMATINA §. 1. 2. 



§. 1- 



1. Sowerbyl Pfr. (Coll. 25. — ^rra^Phan. p. 85. — 



D. minor [Arinia] Ad. Gen. p. 288. — Cyclostoma 



minus Sorv.) Mon. p. 121. 



§. 2. 



2. rollicillllS Pfr. (Coll. 26. — Cm.v Phan. p. 86.— 



Ch. ed. nov. p. 388. t. 48. f. 32. 33. — Jd. Gen. 

 p. 287. t. 86. f. 5. — Carychium costatum Hutt. — 

 Bulimus foUiculus Pfr. olim.) - - 122. 



3. costlllata HllU. (Coll. 27. — G^rr/i/Phan. p. 86.— 



Ch. ed. nov. p. 389. t. 48. f. 34. 35. — Ad. Gen. 

 p. 287. — Carychium costulatum Hutt. — Cary- 

 chium parvulum Boys.) - - 122. 



4. D. diploclteiliis 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. 61/3 — 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.) 



Diplommatina 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). 



5. D. pachyciteilus 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 verticaHs, late auricularis, plica coki- 

 mellari valida, transversa, munita; perist. subduplex, sinuatum, 

 incrassatum , infra sinistre angulatum , callo parietali expanso, 

 appresso, margine columellari sinuato. — Opcrc. ? — Long. 4, 

 diam. 21/3 mill. Ap. l'/^ niill. longa. (Coll. Benson.) 



Diplommatina pachycheilus Bcns. in Ann. and Mag. 2d. ser. 1857. XIX. 



