Cytherea tripla, B. V.
„ cincta, var. B . V.
„ corbicula, B. V.
Venus verrucosa, B. V. and St. Jago.
Cardium ringens, B, V.
,, jEolicum, B. V.
„ costatum, Gam.
„ medium, Gam.
,, • Isocardia, B . V.
Arca Nose, B. V.
„ senilis, B. V .
Chama gryphoides, St. J.
Modiola castanea, Gray, Gam.
_ sulcata, Gam.
Mytilus achatinus, Gam.
Pinna semi-nuda ? Lam. B. V.
Perna vulsella, St. J.
Pecten pyxidatus, Chemn., St. J.
„ varius ? Gam.
„ imbricatus, B . V.
„ amusium? B. V.
„ gibbus, B. V.
Lima glacialis ? B. V.
Spondylus gsederopus, B. V.
Ostrea—Gam.
! „ cristola, Gam.
„ folium, Gam.
„ fucorum, B. V.
Sipbonaria—Mouret, Blainville.
Patella mammillaris, Unrusus, B. V.
Fissurella rosea, var ? Gam.
„ grseca, Gam.
Pileopsis albida, Gray, Gam.
Calyptrsea chinensis, Gray, Gam.
Crepidula porcellana, Gam.
Bulla ampulla, St. J.
„ striata, St. J.
H elix flammea, Mandingo.
Melania Gambensis, Bowdich, new species, Gam.
M. testà turrito-acutà, fragili tenniqne, albi, striis transversis*.
Phasianella angulifera, Mandingo,
Nerita striata, B. V.
Natica fulminea, B. V.
„ carnea, Gray, St. J. .
„ rosea, Gray, B. V.
„ collaria? B. V.
,, canrena, B. V.
„ collaris, Gray, B. V.
Turritella trisulcata, St. J.
0 1 ---------------species imperfect, St. J.
1 „ ¡a, st.J.
_____________„ S t.J.
Monodonta fragroides ? B. V.
Trochus, B. V.
Murex asperimus, St. J.
Triton undosum, B. V.
„ scobiculator, B. V.
Rostellaria fissurella, B. V.
Turbinella cingulata, B . V. ,
Cerithium granulatum, St. J.
„ obelisticus, B. V.
,, muricatum. Gam.
„ aluco, Gam.
Harpa rosea, St. J. .
Nassa reticulata, B . V.
„ lineolata, Gray, B. V.
„ conoidea, B. V.
* This elegant little shell abounds in every creek of the River Gambia, and with the patellae,
siphonariae, fissurell®, calyptra, and fragments of larger shells, forms complete masses, which
bind the sand into hard flakes.