288 Rev. R. T. Lowe on Melampus, &c. 
‘Testa obovata* vel oblonga. 
1. MELAMPus &quaLis, nob. Tab. XIII. f. 1, 2, 3, 4, (5, the shell.) 
Mel. testé obovatd, subventricosd, obtusiusculd, levigatd ; anfractibus 
subequalibus, planis ; spird apertura breviore ; columellé 3-plicatd, 
plicis duabus inferioribus parallelis, equalibus ; labro simplici, (in- 
tus levi.) 
Long. 7%, une.; lat. vix ,4,. Anfractus 7—8. 
a. testd castaned, obscuré subfasciatd. 
p. totd alba. 
Hab. infra lapides, ad littus septentrionale Insule Madere. 
In very numerous and fine specimens I have never seen in any stage 
of growth the slightest approach to the formation of strie within the 
outer lip; or I should have suspected it to be an immature state of 
some species, perhaps of Mel. Ovulum. It answers well to Voluta 3- 
plicata of British authors, except that the aperture is not contracted, 
2. MELAMPUS GRACILIS, nob. 
Mel. testd gracili, angustd, elongato-ovatd, acutd, levigatd ; anfracti- 
bus planis, equaliter crescentibus ; spird productd, exsertd, apertura 
longiore ; columella 3-plicatd plicd medid majore ; labro simplict. 
Long. 1 unc.; lat. 1. Anfr. 74. 
Hab. in rupibus maritimis; ad littus meridionale Madere, prope 
urbem Funchal; v. m. 
I possess only one perfect and one mutilated specimen of this 
shell, and it may very possibly prove only an elongated variety of Mel. 
equalis. But though in young specimens of Mel. equalis the middle tooth 
is also somewhat larger than the others, or more particularly than the 
lower one, yet the ventricose shape, and the proportions of the spire 
and aperture preserve constantly their characters. 
3. MeE.ampus Firmini, nob, 
Mel. “ testd ovato-turgidd, albido-flavd, transversim striatd et pallidé 
fasciatd ; anfractibus planiusculis ; spird brevi, apice fuscescente ; 
columella triplicatd ; 4 lineas longa.’’ Payr. 
* Here and elsewhere by me the shell is placed in its proper and natural 
position in respect to the animal, i. e. with the spire downwards, In the spe- 
cific characters taken from Lamarck, the contrary position is to be understood, 
viz, with the spire upwards. 
