HELIX &. 8. 51 
88. H. Lassevillei Gundl. 
T. imperforata, turbinata, tenuissima, striatula, hyalina; 
spira convexo-conoidea, vertice obtusulo, concolore; anfr. 4 
convexiusculi, regulariter accerescentes, ultimus non descendens, 
acute carinatus, subtus modice convexus; apertura fere diago- 
nalis, rhombeo -lunaris; perist. simplex; rectum, margine colu- 
mellari brevi, subverticali, vix incrassato, cum basali arcuatim 
juncto. — Diam. maj. 41!/5, min. 10, alt. 8 mill. (Coll. Nr. 44.) 
Helix Lassevillei Gundl. mss.; Pfr. in Malak. Bl. VIII. 1864. 
p. 220. 
Habitat in monte « Gran Piedra» partis orientalis insulae Cubae. 
EJ 
89. (72 Lychnia Bens. (Col. Nr. 45.) Mart. Ostas. Zool. II. 
p. 255.*) — Nanina lychnia (Trochomorpha) A?. 60. — Trocho— 
morpha lychnia Wallace in Proc. Zool. Soc. 41865. p. 407: 
Malacca. —  Blanf. Contrib. to Ind. Malac. Nr. 2. p. 42: inter 
Pykara et Seegoor in Nilgiris. (III. 626.) 
89a. H, imperfecta Deshayes. 4j 
«H. testa turbinata, depressa, imperforata, ad peripheriam 
acute angulata, tenui pellucida, fragili, pallide fusca, spira 
brevi, conica apice acuta; anfractibus quinis, primis duobus 
laevigatis, mamillatis, caeteris planis, sutura marginata junctis, 
transversim minute et eleganter striatis; ultimo anfractu medio 
carinato, subtus convexo, apertura magna, perobliqua, subqua- 
drangulari; margine tenui, acuto, simplici. — Diam. 41, alt. 7 
mill.» (D.) 
Helix imperfecta Desh. Catal. moll. ile Réunion p. 89. t. 40. 
f. 294—206. 
Habitat in insula Bourbon. 
Obs. Peraffinis videtur H. securiformi Desh., Fér. Hist. t. 64 A. f. 5. 
6. (Pfr. Mon. Hel. III. p. 57) mihi incognitae, etsi haec subperforata dica- 
tur. Nonne eadem? 
* 
90. (73[ ornatella Beck. (Coll. Nr. 46.) Nanina ornatella (Micro- 
cystis) A?. 49, — H. realis Mif. — Ins. Pitcairn. (III. 38.) 
91. (4) succinulata Guill. (Coll. Nr. 47. XNanina succinulata 
(Microcystis) A?. 49. — Guam. (IV. 47.) 
«Testa imperforata, carinata, depresse conica, basi convexa, leviter 
striatula, nitida, virescentifusca, concolor; spira conica, obtusiuscula, sutura 
cingulata; anfr. 6!5, planiusculi, lente crescentes, ultimus carina dupli- 
cata, basi sat convexus, regione umbilicali leviter excavata, antice haud 
descendens; apertura subverticalis, anguste securiformis; peristoma rec- 
tum, margine basali arcuato, sigmoideo, columellari leviter incrassato. — 
Diam. maj. 14, min. 10, alt. 6; apert. long. 5!4, lat. 3! mill.» (v. M.) 
