105 
timum subsinuato, externo breviter patente et reflexiusculo, superne 
subdilatato. 
Diam. maj. 13, min. 11, alt. 64 mill. 
B. Major, anfr. 5, paulo depressior, umbilico paulo latiore. 
Diam. 18, alt. 81 mill. 
y. Minor, anfr. 5, liris basalibus distinctioribus. 
Diam. 11, alt. 6 mill. 
Hab. Borneo, Sarawak. 
18. Cyctosroma (CycLostomus’?) ANNATONENSE, Pfr. C, 
testa perforata, globoso-conica, tenui, carinis pluribus periphericis 
acutis, lirisque compressis, confertis, viv elevatis munita, parum 
nitida, fusca; spira acute conica, sursum pallescente ; anfr. 6 
convexiusculis, ultimo ventroso ; apertura vix obliqua, irregulariter 
ovali ; perist. tenui, albido, marginibus approximatis, dextro bre- 
vissime expanso, columellari superne recedente, cum parte inferiore 
subangulatim juncto, angustissimo. 
Diam. maj. 8, min. 62, alt. 8 mill. 
Hab. Isle of Aneiteum or Annaton ; New Hebrides (Macgillivray). 
19. Cyctosroma (CycLtostomus?) sinuatum, Pfr.  C. testa 
umbilicata, globoso-turbinata, solida, levigata, vir nitidula, alba; 
spira turbinata, acutiuscula ; anfr. 54 convexis, prope suturam 
liris 5 filaribus cinctis, ultimo rotundato, circa umbilicum an- 
gustum, pervium liris paulo confertioribus sculpto ; apertura vir 
obliqua, subcirculari ; perist. breviter expanso, marginibus callo 
subexciso junctis, dextro superne repando, fere sinuoso, columellari 
non latiore. 
Diam. maj. 22, min. 18, alt. 17 mill. 
Hab. Madagascar? 
20. DrpLommatina CHorpata, Pfr. D. testa sinistrorsa, pro- 
Sunde rimata, subfusiformi, tenui, levigata, costulis subdistantibus 
chordeformibus munita, diaphana, cereo-albida; spira ovato- 
conica, acuta; anfr. 7 convexis, ultimo atienuato, antice ascen- 
dente ; apertura vix obliqua, subcirculari; perist. duplice, interno 
continuo, breviter adnato, ceterum expansiusculo, externo breviter 
patente. 
Long. 4, diam. 2 mill. 
8. Minor, paulo confertius chordata. 
Hab. New Zealand (Strange) ; var. 3. Lord Howe’s Island (Mac- 
gillivray ). 
Awnautus, Pfr., nov. gen. Operculum tenuissimum, corneum, sub- 
arctispirum, extus concaviusculum. Testa umbilicata, pupine- 
formis ; apertura circularis; peristoma duplex: internum con- 
tinuum, externum dilatatum, ad insertionem marginis dextri canali 
aperto perforatum. 
21. ANAULUS BoMByYCINUS, Pfr. A. testa impervie umbilicata, 
oblonga, tenuiuscula, confertim striata, sericea, rubello-corneu ; 
No. CCXCI.—ProceeEepinGs or THE ZOOLOGICAL Society. 
