123 
18. Hexicina Linen, Pfr. Hel. testd globoso-conicd, tenuiusculd, 
subtilissimé striolatd et punctatd, subdiaphand, pallidé stramined 
vel carned ; spird conicd, acutiusculd ; anfractibus 6 viz convexr- 
iusculis, ultimo inflato, obsolete angulato ; aperturd integrd, parum 
obliqud, semiovali, altiore quam latd; columelld leviter arcuatd, 
extrorsum in denticulum desinente, callum emittente exiguum, tenu- 
em; peristomate breviter expanso, reflexiusculo. 
Diam. 114, altit. 83 mill. 
From Tapinaba, Mexico (Linden). 
19. Hexicrna Orsienyi, Pfr. Hel. testd depressd, sublenticulari, 
solidd, striatuld, vir nitidd, fusco-carned ; spird vie elatd; an- 
Fractibus 44 planiusculis, ultimo depresso, subangulato ; aperturd 
obliqud, semiovali, altiore quam lata ; columella brevi, basi antror- 
sum dentatd, callum albidum, semicircularem retrorsum emittente ; 
peristomate recto, subincrassato, juxta dentem columelle non 
emarginato. 
Diam. 73, altit. 4 mill. 
From the island of Cuba. 
20. Heuicrna Owenrana, Pfr. Hel. testd conicd, tenui, levigatd, 
sub lente lineolis impressis, antrorsum obliquis subtilissimé sculptd, 
nitidd, pellucida, stramined, sursum saturatiore; spird conicd, 
vertice obtusiusculo, castaneo; suturd lineari, albo-marginatd ; 
anfractibus 6 planis, ultimo basi planiusculo ; aperturd subobliqud, 
semiovali ; columelld brevi, verticaliter rimatd, callum tenuissimum 
retrorsum emittente ; peristomate aurantiaco, angulatim patente, 
reflexiusculo, margine utroque levissime curvato. 
Diam. 9, altit. 74 mill. 
From Chiapas, Mexico (Ghiesbreght). 
21. Hexicrna pricatua, Pfr. Hel. testd depress? conoided, soli- 
duld, oblique regulariter et elegantissimeé plicatd, nitidd, corned ; 
spird brevi, conoided, acutiusculd ; anfractibus feré 5 convexius- 
culis, ultimo superne impresso, peripherid obsoletissimé angulato ; 
aperturd obliqud, semilunari; columella brevissimd, simplice, in 
callum tenuissimum diffusd; peristomate subincrassato, carneo, 
margine supero sinuato, basali juxta columellam subdentato,. 
Diam. 5, altit. 3 mill. 
From the island of Martinique. 
22. Hexictina Reeveana, Pfr. Hel. testd conicd, soliduld, striis 
incrementi distinctis et lineolis obliquis impressis confertissimis sub 
lente clathratuld, nitiduld, albidd, rufo nebulosd et teniatd ; spird 
elevatd, acutiusculd ; suturd impressd ; anfractibus 6 convezius- 
culis, ullimo angulato, basi vix convexiore ; aperturd subsemiovali, 
intus castaned; columelld brevissimd, horizontaliter in callum 
parvulum, album, expansd ; peristomate albo, angulatim patente, 
margine basali leviter arcuato, cum columelld extus subangulatim 
Juncto. 
Diam. 84, altit. 6 mill. 
From Cuba. 
