138 
MEGALOMASTOMA §. 4. 
Pfr. Mon. p. 133 (non Gould). — Farcimen sectilabrum Gray. — 
Megalomastoma Lowei Sow. Thes. III. 1864. t. 263. f. 1 . — Patel 
• Cat. p. 120. — Ins. Labuan, Borneo. 
25. ? M. Leferi (Cyclostoma) Morelet. + 
„T. subperforata, pyramidata, tenuis, striatula, nitida, 
sericea, castaneo-rubella; spira turrita, apice truncatula; anfr. 
superst. 5 convexiusculi, ultimus basi rotundatus, antice le- 
yiter planatus; apertura rotundo-campanulata, concolor; peri- 
stoma duplex: internum continuum, expansum, repandum; ex- 
ternum superne lateraliter et breviter dilatatum. — Operculum 
tenue, planulatum, corneo-lutescens ; spira subindistincta, nucleo 
centrali. — Long. 21, diam. 9 mill. 44 (M.) 
Cyclostoma Leferi Morelet in Journ. Conch. IX. 1861. p. 176. 
Megalomastoma Leferi Mart. Ostas. Zool. II. p. 154. 
Habitat in insula Borneo (Lefer de Lamothe). 
Obs. Issel (Moll. Born. p. 67) synonymum M. anostomatis laudat. 
26. M. Doriae Issel. f 
„ Testa perforata, oblongo-pupaeformis, persolida, irregu- 
lariter oblique striata, parum nitida, castanea; spira subturrita; 
anfractus 8 convexi, sutura profunda separati, ultimus prope 
aperturam ascendens, juxta perforationem subcompressus; aper- 
tura fere verticalis, subcircularis, in fauce castanea; peristoma 
sordide albescens, late expansum, reflexum, duplicatum: ex- 
ternum breviter interruptum, internum continuum. Operculum 
corneum, planum, concentrice costulatum. — Long. 30, diam. 
12; apert. incl. perist. 13, excl. 8, lat. incl. perist. ll 1 /^ excl. 
7 mill. 44 (I.) 
Megalomastoma Doriae Issel Moll. Born. 1874. p. 67. t. 6. f 18. 19. 
Habitat in territorio Sarawak, Borneo (Doria, Beccari). 
Obs. „Facile distinguitur a M. Anostoma testa crassa, solida, obscurius 
colorata, minus transparente et peristomate albido, margine externo late in- 
terrupt." 
* 
27. funiculatum (Cyclostoma) Bens. (Coll. 19.) I. 133. II. 85. III. 
87. — Patel Cat. p. 120. — Coptocheilus fmiculatus Gould. — 
Himalaya. 
28. pauperculum (Cyclostoma) Sow. I. 134. II. 86. III. 87. — 
Coptocheilus pauperculus Gould. — Himalaya. 
