129 CYCLOPHORUS $. 20. 21. 
Aperostoma Montezumi ( Buckleyia *)) Higgins in Proc. Zool. Soc. 1872. 
p: 686. t: 56. f. e 8. 
Vidit Martinezi ,Crosse* Mouss. in Malak. Bl. XXI. 1873. p. 17. 
— Pütel Catal. p. 118. 
Habitat i in republica Aequatoris (Hidalgo, Buckley). 
Obs. Operculum pallidum corneum tamen aspectum testaceum offert. 
C. bifasciatus (Buckleya) Mousson. 
»l. regulariter planorboidea; utrinque concava, tenuiscula, 
transversim striata, spiraliter confertim sed leniter sulcata, 
nitüdula, flavescenti-cornea, in dorso fusco-nigro trilieata, 
fasciis duabus albis interpositis. Spira regulariter plane vo- 
luta, aeque concava; nucleolo laevigato albido; sutura profunda. 
Anfr. 41!/,, teretes, ultimus major, in linea dorsali et utrinque 
in fasciarum marginibus leviter quinquangulatus. Apert. ver- 
ticalis, perfecte circularis, Perist. rectum, acutum, dorso cum 
!/ , peripheriae adnatum. — Diam. maj. 22, min. 17, alt. 
(apert. 9 mill. — Rat. anfr. 2:1. — Rat. apert. 1:1.* (M.) 
DBuckleya bifasciata Mouss. in Malak. Bl. XXI. 1873. p. 17. 
Cyclophorus bifasciatus Dfr. Novit. conch. IV. p. 132. Nr. 837. t. 129. 
f. 15—18. 
Habitat Bogota. 
Obs. Differt a C. Martinezi spira rapidius accrescente, quare excava- 
tione utraque profundiore, anfractibus convexioribus, liris spiralibus periphe- 
ricis parum prominentibus et coloribus. 
g. 21. 
Subgenus Lagocheilus Blanford **). 
* 
188. scissimargo Bens. II. 61. III. 76. — Lagocheilus B/anf. in Ann. 
and Mag. n. h. 3d. ser. XIII. p. 452. — "Tenasserim Birmaniae. 
189. tomotrema Bens. t II. 50. III. 76. — Lagocheilus 5/anf. in Ann. 
and Mag. mn. h. 3d. ser. XIII. p. 452. —  Lagocheius tomotrema 
Stoliczka in Journ. As. Soc. XLI. Pt. 2. p. 269. — anl. & Theob. 
Conch. Ind. t. 6. f. 8. — Montes Khasia Indiae. 
*) Buckleyia (subgenus Aperostomatis) JZiggins: ,'Testa discoidea, 
tenuiter utrinque excavata, omnes anfractus exhibens, carinis quatuor cir- 
cumdata, epidermide decidua induta; apertura verticalis, circularis, continua, 
ad anfractum penultimum adnata; perist. tenui, recto, acuto.* 
**) Lagocheilus (subgenus Cyclophori) B/anf. in Ann. and Mag. n. h. 
3d. ser. XIII. 1864. p. 452; P/r. IIL. 76 not. — Genus Lagocheilidarum 
Stoliczka in Journ. As. Soc. XLI. Pt. 2. 1872. p. 269: ,Shell conoid sub- 
turbinate and perforated, thin, covered with a horny cuticle; aperture round 
with a narrow incision in the upper or posterior angle; operculum thin, 
horny, multispiral. Animal of the usual Cyclophorid type, but with a glan- 
dular slit at the upper posterior end of the foot.* 
