REALIA §. 11. 12. 
231 
Omphalotropis littorinula Crosse in Journ. Conch. XXI. 1873. p. 143; 
XXII. 1874. p. 238. t. 8! f. 10. 
— — Morelet ibid. XXIII. 1875. p. 29. 
Habitat in insula Rodriguez (Desmazures). 
Obs. „Species 0 . multiliratae Pfr. et 0 . costellatae Ad. sat vicina, sed 
gracilior et liris confertis, subaequalibus distinguenda." 
108 . R. Paladilhi (Omphalotropis) Issel. f 
„ Testa rimata, ovato-elongata, solida, brunnea, maculis 
luteis irregulariter aspersa, sub lente dense transversim costu- 
lata, costis granulosis, prope suturam majoribus; spira truncata, 
erosa; anfractus superstites 4 leviter convexi, sutura impressa 
separati, ultimus basi attenuatus, circa perforationem tenuissime 
carinatus; apertura oblique pyriformis, superne angulata, in- 
ferne attenuata vix subangulata; peristoma acutum, simplex, 
interruptum, marginibus callo tenui junctis. Operculum cor- 
neum, paucispiratum. — Long. 5 1 / 2 , diam. maj. 4, min. 3 l j 2 ; 
apert. long. 3 mill." (I.) 
Optediceros lineolata Mouss. in coll. (Issel.) 
Omphalotropis Paladilhi (Optediceros) Issel Moll. Born. 1874. p. 85. t. 7. 
f. 10—12. 
Habitat in territorio Sarawak, Borneo (Doria, Becoari). 
§. 12 . 
109. aurantiaca (Cyclostoma) Desh. (Coll. 32.) I. 309 (Omphalo- 
tropis). II. 167 (Hydrocena). III. 179. — Cyclostoma Belangeri 
Pfr. — Hydrocena ? Belangeri Pfr. — Realia Belangeri Gray. — 
Omphalotropis aurantiaca Pease 1869. p. 143. — Pondichery. 
110. Cheynei (Hydrocena) Dohrn. & Semp. (Coll. 33.) III. 179 
(Omphalotropis). — Omphalotropis Cheynei Pease 1869. p. 143. — 
Patel Cat. p. 124. — Schmeltz in Mus. God. Cat. V. p. 100. — 
Ins. Pelew. 
111. rubens (Cyclostoma) Quoy & Gaim. (Coll. 34.) I. 309 (Ora- 
phalotropis). II. 167 (Hydrocena). III. 179. — Blanf. in Ann. and 
Mag. n. h. 4th. ser. III. 1869. p. 340. — Cyclostoma Rangii Pot. 
Sf Mich. — Omphalotropis rubens Morelet Ser. conch. II. p. 107: 
Bourbon. — Pease 1869. p. 140. — G. Nevill in Journ. As. Soc. 
XXXIX. 1870. Pt. 2. p. 415 cum var.: O. Moreleti Desh. Conf. 
Nr. 61. — Patel Cat. p. 124. — Ins Mauritius. 
112 . R. variegata (Hydrocena) Morelet. f 
„T. umbilicata, ovato - conica , tenuis, laevigata, parum 
nitida, castanea, punctis et strigis luteis, zigzagformibus, infra 
