364 MR. E. A. SMITH ON NEW [Apr. 17, 
The ground-colour of this species is a very pale fawn; and the 
stripes and interrupted bands are almost black, generally edged with 
brown or olive-brown. 
Butimus (Drymaus) orTHosroma. (Plate XXXIX. fig. 5.) 
Testa elongata, ovato-fusiformis, leviter rimata, tenuis, spiraliter 
tenuissime striata, incrementique lineis sculpta, albida vel 
Susco-albida, lineis longitudinalibus parum obliquis undulatis 
purpureo-fuscis et fasciis transversis interruptis (in anfr. supe- 
rioribus 2, ultimo 2) saturatioribus picta ; spira elongata, con- 
vewiusculo-conica, apice obtusiusculo; anfractus 63, convexi- 
usculi, ultimus elongatus, ad perist. brevissime pone labrum 
ascendens ; apertura fere recta, elongata, inverse auriformis, 
longit. totius 3 paulo minor, intus lilacea, strigis pellucentibus ; 
columella supra contorta, inferne arcuata ; perist.tenue, medio- 
eriter expansum, album, margine columellari extra subrecto. 
Long. 37 mill., diam. 113; apertura 18 longa, intus 62 lata. 
Hab. Ecuador ? 
The description of tiis species is very similar to that of B. albo- 
labiatus ; yet the two species when viewed side by side have a very 
different general aspect. The present species differs in having the 
aperture rather longer ; and the whorls are not constricted just be- 
neath the suture. The markings are not so bold or so deep in colour ; 
the upper interrupted band is situated nearer the middle of the 
whorls ; and in the last whorl, which has not the reddish line which 
winds round the base and along the exterior of the lip of B. albo- 
labiatus, the markings cease at a short distance (about 4—5 millims.) 
from the labrum, which is pure white within and creamy on the 
outside like the rest of the shell; in the other species it is pure 
white on both sides. 
Buximus (Liosrracus) suBPELLucipus. (Plate XXXIX. fig, 2.) 
Testa fragilis, subpellucida, anguste perforata, elongato-conica, 
nitida, cornea, transversim obsolete striata, incrementique lineis 
obliquis sculpta ; anfractus 7, conveaiusculi, sutura minute cre- 
nulata sejuncti; apertura parum obliqua, ovata, longitudinis 
totius 3 equans; columella superne rectiuscula, viv arcuata; 
peristoma tenue, undique mediocriter expansum, intus et extra 
Jlavescens, margine aibido, marg. columellari dilatato. 
Long. 23 mill., diam. 9; apertura 10 longa, intus 42 lata. 
Hab. Eeuador. 
This simple species is chiefly characterized by its thin texture, 
horny colour, and the yellowish tint of the peristome, the extreme 
edge of which is whitish. 
Burrmus (Liosrracus) rLaviputus. (Plate XXXIX. fig, 3.) 
Testa profunde rimata vel perforata, ovato-pyramidalis, tenuis, 
semipellucida, nitida, minutissime spiraliter confertim striata, 
Jiavescens, seriebus (in anfract. superioribus 3, in ultimo 5) 
macularum subquadratarum fuscarum ornata ; spira elongata, 
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