CYCLOSTOMUS 8$. 8. 231 
66. €.? solidus Menlke-. 
T. subimperforata, subcylindracea, decollata, solida, albida, 
costs spiralibus, subdistantibus, planulatis, striisque longitudi- 
nalibus confertissimis munita; anfr. superst. 4'/, convexi, lente 
accrescentes, ultimus antice vix ascendens; apertura verticalis, 
ovalis; perist. rectum, subincrassatum, superne angulatum et 
superstructum. — Operc.? — Long. 10, diam. 4'/;, mill. Ap. 
4 mill longa. (Mus. Menke.) 
Truncatella solida Menke Synops. ed. H. p. 137. *) 
Cyclostoma solidum Chemn. ed. II. N. 119. p. 116. t. 14. f. 4. 5. 
Cistula? solida Gray Catal. Cycloph. p. 60. N. 15. 
Cuyclostomus? solidus Pfr. Consp. N. 338. 
Hahnutat. ... .? 
670. €.? gratus Petit. 
T. perforata, oblongo-coniea, solida, lineis elevatis spira- 
libus et longitudinalibus confertüssimis subtiliter decussata, 
nitidula, carnea; spira scalari-conica, apice obtusiusculo pur- 
purea; anfr. 5 convexi, ulümus basi planiusculus, ad periphe- 
riam et circa perforatüionem subangulatus; apertura obliqua, 
subeireularis, superne angulata, intus ignea; perist. simplex, 
continuum, rectum, margine sinistro superne breviter expanso, 
inferne subreflexo. — Operc.? — Long. 7, diam. 5 mill. Ap. 
2 mill. longa, 2*/, lata. (Mus. Cuming.) 
Cyclostoma gratum Petit in. Journ, Conch. IL. 1850. p. 53. t. 3. f. 
1 desta) 
-— —  'Chemn. ed. II. N. 236. t. 34. f. 11. 12. 
— tricolor Pfr. in Zeitschr. f. Malak. 1849. p. 128. (Mart. 
1850.) 
Cyclostomus? gratus Pfr. Counsp. N. 339. 
Habitat in insula Abd-el- Goury prope Socotoram (Guillain). 
*) T. ovato-oblonga, turrita, truncata, imperforata, albida; antr. 4 
transversim striatis, stris longitudinalibus tenuissimis decussatis, convexis, 
margine superiore crenatis. — Long. 4'/,, lat. 13/, lin. (Menke l. c.) 
**) 'T. conica, perforata, pallide rosea; anfr. 5— 6 rotundatis, spiraliter 
tenue sulcatis, transversim subtilissime cancellatis; sutura distincta, apice 
fuscescente; apertura rotundata, haemastoma; labro simplici; umbilico an- 
gulo cireumdato. — Diam. 5 mill.; alt. 6 mill. (Petit l. c.) 
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