173 
valves; e, muscle adducteur postérieur; 7, le pied; g, les palpes labiales ; 
h, les branchies. 
Fig. 5. L’animal un peu grossi. a@, lambeau du manteau; 4, portion du muscle 
orbiculaire ; ¢c, partie du muscle antérieur ; d, le muscle postérieur ; e, le 
pied; jf, la masse abdominale; g, les palpes labiales; h, surface interne 
des branchies ; i, 7, extrémité postérieure des branchies. 
Fig. 6. Bord postérieur du manteau montrant les siphons. a, portion du muscle 
orbiculaire; 4, ce, bords libres du manteau recouvrant les siphons ; 
c, d, siphons dans |’état de contraction. 
Fig. 7. Ouverture du manteau vue al’intérieur. a, 6, portion du muscle orbicu- 
laire; ce, extrémité du muscle adducteur antérieur; d, ouverture palléale 
de grandeur naturelle. 
6. Descriptions or New SPECIES OF SHELLS, IN THE COLLEC- 
, TION oF Hueu Cuming, Esa. 
By Artruur Apams, R.N., F.L.S. etc. 
(Mollusca, Pl. XX.) 
Harra striAtTuLa, A. Adams. (Pl. XX. figs. 7,8.) H. testa 
ovato-ventricosa, tenui, spira brevi, apice acuto, lineis rubris 
et fuscis ziczaciformibus varie picta, costis longitudinalibus 
angustis, levibus, postice valde aculeatis et undulatis, intersti- 
tits striis elevatis, longitudinalibus et transversis, conspicue 
decussatis ; apertura ampla; labio nitido, bimaculoso ; labro 
tenui, acuto. 
Hab. ——? Mus. Cuming. 
A thin, light, ventricose species, with strongly aculeate ribs, and 
the interstices conspicuously striated. 
Harpa sotrpua, A. Adams. (PI. XX. figs. 9, 10.) H. testa 
ovato-ventricosa, solida, crassa, nitida, spira brevi, apice acuto, 
roseo, fascia lata fusca transversa, et lineis rufo-fuscis undu- 
latis varie picta, costis longitudinalibus crassis, postice acu- 
leatis, lineis fuscis, transversis ornatis; apertura elongato- 
ovali; labio callo nitido, incrassato obtecto ; labro crasso. 
Hab. ? Mus. Cuming. 
This is a thick solid species, less elongated than H. minor, and 
with much thicker ribs. 
Meruta Cuminen, A. Adams. (PI. XX. figs. 1,2.) M. testa 
ovato-fusiformi, spira subacuta, apice cancellato, fulvescente, 
castaneo-nebulosa, longitudinaliter plicata, transversim striata, 
striis antice distinctioribus, plicis crassis, postice crenulatis, 
antice evanidis ; apertura angusta, utrinque coarctata, antice 
subcanaliculata, intus aurantiaca; labio callo crasso, circum- 
scripto; labro margine acuto, crenulato, extus valde incras- 
sato, intus transversim lirato. 
Hab. West coast of Africa. Mus. Cuming. 
The discovery of this shell forms an interesting addition to the 
little-known genus Metula, which is probably an African type, and 
