Zoological Society. 257 
bus, ultimo permagno, circa aream umbilicarem fuscam compresso- 
inflato ; aperturd lunari-ovali, intus margaritaced, lilacea ; peri- 
stomate simplice, anguste reflexo, umbilicum angustum semitegente. 
Diam. 21; altit. 14 lin. 
From Vera Cruz, province of Honduras, Central America: found 
on leaves of trees. (Delatere.) 
Hewix triconostoma, Pfr. Hel. T. imperforata, trochiformi, tenut, 
oblique striatuld, lineis nonnullis concentricis impressis notatd, 
albd, fasciis superne linearibus, basi latioribus, fusco-violaceis 
ornatd; spird late conicd; anfractibus 44 planiusculis, ultimo 
spiram superante, obsolete angulato; columella brevi, callosd ; 
aperturd subtriangulari; peristomate simplice, margine supero 
parim expanso, columellari refleco, adpresso. 
Diam. 14; altit. 9 lin. 
From Vera Cruz, province of Honduras, Central America: found 
on leaves of trees. (Delatere.) 
Affinis H. tenere, Sow. Differt spira minus elevata, anfractibus 
planis, columella brevi et aperture forma. 
Heurx tenuis, Pfr. Hel. T. imperforatd, subglobosd, tenui, fused, 
rufo-zonatd, lineis obsoletis impressis, concentricis notatd, epider- 
mide tenuissima, sericind indutd ; spird obtusiusculd ; anfractibus 
5 celeriter crescentibus, viz convexiusculis, ultimo magno, inflato, 
ad columellam obliquam, subtortam excavato ; aperturd lunari- 
ovali ; peristomate recto, simplice, bast subincrassato. 
Diam. 16; altit. 11 lin. 
Patria ignota. (E collectione Cumingiana.) 
Hexrx pivararta, Pfr. Hel. T. imperforatd, subglobosd, solidd, 
pallide luted, lineis confertissimis brunneis, interruptis supra et 
infra fasciam concolorem medii anfractis ultimi pictd, apice albida ; 
spird parvd, obtusiusculd ; anfractibus 4 rapide crescentibus, ul- 
timo amplissimo ; columella albo-callosd, arcuatd ; aperturd maxi- 
md, oblique ovali, intus lacted ; peristomate recto, intus incrassato. 
Diam. 174, altit. 12 lin. 
Patria ignota. (E collectione Cumingiana.) 
Guanpina optusa, Pfr. Glan. T. ovatd, utrinque attenuatd, apice 
| obiusd, soliduld, pellucidd, pallide carned ; anfractibus 54 vix con- 
| vexiusculis, ultimo spiram pauld superante; suturd crenulato- 
| . marginata ; aperturd latiusculd ; columelld verticali, basi subitd 
: truncata ; peristomate simplice, marginibus callo tenuissimo junctis, 
| dextro medio vix dilatato. 
Long. 93; diam. 5 lin. 
From the Real Llejos, province of Nicaragua, Central America : 
found on leaves of bushes. (Cuming.) 
May 13.—William Yarrell, Esq., Vice-President, in the Chair. 
} 
. 
| 
} 
} 
‘‘ Descriptions of eighty-nine new species of Mitra, chiefly from 
the collection of H. Cuming, Esq.,” by Lovell Reeve, Esq. :— 
Mirra Fasticgium. Mitr. testd abbreviato-ovatd, subventricosd, 
solidiusculd, spird brevi, acuminatd ; levigatd, basim versus eviliter 
