OTOPOMA §. l. 
167 
XLI. Otopoma Gray. 
Pfr. Mon. Pneum. I. p. 179; II. p. 110; III. p. 121. — 
Blanford in Ann. and Mag. nat. hist. 3d. ser. XIII. 1864. p. 
464. — Patel Catal. 1873. p. 17. 122. 
Genus a Cyclostomo vix characteribus sufficientibus se- 
parandum. 
Conspectus specierum. 
A. 
B. 
Umbilico prorsus clauso . . . . 
Umbilico magis minusve aperto. 
1. Peristomatis margine dextro ex- 
panso 
2. Margine dextro recto . . . . 
3. — — flexuoso . . . 
§. 1. Nr. 1— 2. 
§. 2. — 3— 7. 
§. 3. — 8—17. 
§. 4 . — 18—19. 
§• 1 . 
1. clausum (Cyclostoma) Sow. I. 179. II. 110. III. 122. — Patel 
Cat. p. 122. — Cyclostomus clausus Ad. — Yemen Arabiae. 
2. 0. Hinduorum W. Blanford. f 
„ Testa imperforata, clausa, umbilicata, globoso-turbinata, 
solidula, nitida, striata, juxta suturam et circa umbilicum laevis, 
extus versus peripheriam liris spiralibus subconfertis non- 
nunquam obsoletis circumdata, carnea, vel albido-carnea; apice 
plerumque nigro; spira conoideo-convexa; sutura impressa. 
Anfr. 4 l / 2 convexi, ultimus teres, antice descendens, varicenp 
imperfectum interdum pone aperturam gerens. Apertura fere 
verticalis, rotunda; peristoma obtusum, marginibus disjunctis, 
externo antice arcuato, basali expansiusculo, columellari sublate 
expanso, umbilicum omnino callo complente. — Operc. testa- 
ceum, intus membranaceum, paucispirale, margine interno an- 
fractuum elevato, nucleo excentrico. — Diam. maj. 12, min. 11, 
axis 9, apert. diam. 6 mill.“ (B.) 
Otopoma Hinduorum W. Blanf. in Ann. and Mag. n. h. 3d. ser. XIII. 
p. 464. 
— — Pfr. Mon. Pneum. Suppl. II. p.. 122. 
— Hanl. Sf Theob. Conch. Ind. t. 6. f. 5. 6. 
— — Patel Catal. p. 122. 
