209 
ucutd; aperturd odliqud, oblongo-semilunari ; columelld superne 
et antic? ventricosd, vald? incrassatd,.calloso-lacted, convead, sub 
umbilico productiusculd ; umbilico profundo ; funiculo intis sub- 
obsoleto, extern® oblongo, calloso et cum callo columelle consoli- 
dato ; labro tenuiusculo. 
Operculum cartilaginosum, radiatim tenuiter striatum, dilute fuscum. 
Sinu Panama propria. 
Hab. “ Panama; found at ten fathoms in fine sand.” H. Cuming, 
Long. 44 & 54 mill.; larg. 40 4 47 mill.; convex. 23 a 40 mill. 
‘Ouverture : long. exter. 40 4474 mill., inter. 33 840 mill. ; larg. 18 
& 22 mill. Spire, haut. 16 mill. 
15. Natica Fremrnerana. Nat. testa ovato-oblongd, crassiusculd, 
lacted, nitidd, politd, levissime striatd, anfractibus senis, depresso- 
convexiusculis, infimo ovato-convexo, superne subconico ; spird de- 
presso-conicd, apice exalbido ; aperturd angustd, semirotundd ; 
columella oblique rectiusculd, in medio subconvead, extern? callosd, 
crassd; umbilico profundo, superne partim tecto, extern angulo 
vix notato circumdato, basi in canalem profundum arcuatum pro- 
longato, a furiculo modificato. 
Junior. Canali umbilico subconsolidato, lineari. 
Operculum cartilagineum, luteum, tenuissimum, margine antico hyalino 
zonatum, fascid latd, purpureo-rufid, apice revolutd, superficie eleganter 
radiatim striatd valde differt. Testa interdum albo dilute straminea 
seu ferrugineo partim tincta. 
Hab. “ Sorsogon, isle of Luzon ; found in sand and small stones.’’ 
H. Cuming. 
Long. 30 mill.; larg. 26 mill.; convex. 22 mill. Ouverture: ex- 
ter. 27 mill., inter. 19 mill.; larg. 112 mill. Spire, haut. 9 mill. 
Nerita mamilla, var. lactee, Linnei valde affinis, sed spira acuta 
et umbilico aperto differt. Natice vavaoi Le Guillou proxima, sed 
columella convexiore, basi et interné non angulata, rotundato-con- 
cava, angulo umbilici remotiore et linezformi, canali umbilici an- 
gustiore et columella supra medium convexiuscula transversim nec 
sulco obsoleto instructa dissimilis est. Natica uber, Valenciennes, 
feré simillima, sed in hac operculum cartilagineum omnind luteum 
et striis tenuioribus, in Nat. Flemingiand. 
16. Natica pupia. Nat. testd ventricoso-ovatd seu globoso-acutd, 
levigatd, crassd, ponderosd, albido-stramined, ad suturam obscure 
fasciatd et transversim obsolete striatd; spird conico-depressd, 
plus minusve prominuld, acutd ; aperturd semirotundd, intiis sub- 
margaritaced ; labio antic recto, basi incrassato, superne valde 
calloso: callo supra medium convexo ; umbilico spirali, in cana- 
lem profundum arcuatumque prolongatum et funiculo modificatum 
sive fere sive omnind obtecto ; labro solido. 
Hab. *‘ Chili?” H. Cuming. 
Long. 37 4 39 mill.; larg. 36 & 37 mill.; convex. 27 a 28 mill. 
Ouverture: exter. 324 a 33, inter. 22 4 23 mill.; larg. 144154 mill. 
Spire, haut. 9 @ 114 mill. 
Natice Flemingiane proxima, sed solidiore, ventricosiore, ponde- 
