97 
raris aspersa ; spira turbinata, apice acuta, nigra; anfr. 6 mo- 
dice convexis, regulariter accrescentibus, ultimo spira paulo 
breviore, rotundato ; apertura obliqua, truncato-ovali ; perist. 
simplice, recto, margine columellari papyraceo, superne perdila- 
tato, fornicatim reflexo. 
Long. 17, diam. 10 mill. 
Hab. Tette, Mozambique (Peters). Pl. XXXI. fig. 8. 
28. Butrmus pererst, Pfr. B. testa umbilicata, ovato-conica, 
solidula, confertim plicato-striata, parum nitida, griseo et pal- 
lide corneo variegata; spira elongato-conica, apice saturate 
cornea, obtusa; anfr. 64 convewis, ultimo vix striatulo, 2 longi- 
tudinis equante, basi juxta umbilicum mediocrem, conicum sub- 
compresso ; apertura vie obliqua, oblonga; perist. simplice, 
recto, margine dextro leviter arcuato, columellari dilatato, 
patente. 
Long. 124, diam. 6 mill. 
Hab. Tette, Mozambique (Peters). 
29. BuLtimus suvENILIs, Pfr. B. testa perforata, ovato-fusi- 
Sormi, tenui, levissime striatula, haud nitente, pallide rubello- 
cornea ; spira elongato-conica, apice acutiuscula ; anfr. 64 vix 
convexiusculis, ultimo spira paulo breviore, medio obsolete sub- 
angulato, basi attenuato ; columella substricta, paululum rece- 
dente ; apertura obliqua, ovali-elliptica, basi subangulata ; 
perist. simplice, recto, margine dextro regulariter arcuato, colu- 
mellari albo, nitido, sursum dilatato, fornicatim reflexo. 
Long. 20, diam. 83 mill. 
Hab. Santa Fé de Bogota. 
30. PartuLa sTENosToMA, Pfr. P. testa umbilicata, dextrorsa, 
oblongo-conica, solidula, confertim striolata, nitida, fulva, fusco- 
subnebulosa, lete castaneo bifasciata; spira elongato-conica, 
acutiuscula; sutura levi, albida; anfr. 5} vix convexiusculis, 
ultimo spira breviore, basi subcompresso-rotundato ; columella 
oblique procedente, superne leviter plicata; apertura parum 
obliqua, angusta, truncato-oblonga, callo dentiformi profundo 
anfractus penultimi coarctata ; perist. calloso, albo, undique 
expanso et reflewiusculo, margine dextro superne sinuato. 
Long. 22, diam. 103 mill. 
Hab. 2 
31. ParTuLA MACGILLIVRAYI, Pfr. P. testa late et compresse 
umbilicata, conica, tenuiuscula, irregulariter striatula et sub 
lente striis spiralibus confertis sculpta, albida, strigis lutescen- 
tibus fasciisque obsoletis notata; spira elongato-conica, acutius- 
cula ; anfr. 5 vix convexiusculis, ultimo spiram subequante, 
antice subascendente, basi saccato ; columella leviter arcuata, 
in fundo leviter plicata; apertura parum obliqua, truncato- 
oblonga ; perist. albo, tenui, equaliter subrectangule expanso. 
Long. 23, diam. 11 mill. 
Hab. New Hebrides (Macgillivray). 
