recent shells, 197 
rally are, but 1 think it would not range under any other - 
it has bluish bands of gray round the top of the whorls, 
Neritacea, Fifth Family, 
Natica, 
“ Shell subglobular umbilicated ; aperture entire semis 
circular ; left lip oblique, not crenate, callous ; umbilicus of- 
ten covered by the callus." 
Natica magdalenay Shell nearly orbicular, smooth, fine- 
ly striated, grayish white ; spire black ; callus obsolete. In- 
habits the Magdalen Islands : this species is not among De 
Lamarcks: neither is it described in any book of reference, 
that I have had an opportunity of seeing : it may be a uew 
speeies, and is here designated as above, merely from its 
having been found in those islands. 
Puxrurtrera, 13th Family. 
The animals of this family, De Lamarck informs Us, St 
crete that colouring matter whlch formed the beautiful purple 
of the Romans ; it prevails most in the genus Purpura. 
Buccinum. 
** Shell oval, conical, aperture longitudinal, with a notch 
at the base, but no canal ; columella not flattened, turgid 
at the upper part.” 
These animals inhabit the sea shore; they are not in gene- 
ral large : the following species is one of the largest ; about 
two inches long, it is not described by De Lamarck, 
Buccioum — ? Shell oval, inflated, longitudinally 
ribbed ; ribs sometimes obsolete ; apperture grayish purples 
Inhabits Bic, generally surrounded with scarcely percepti. 
ble striw, and has a chalky appearance, but not unfrequent- 
ly the latter is wanting, or as if it were rubbed off, allow ing 
large brown and blue nebnlous spots to appear: sometimes 
the shell is of a yellowish colour, with the transverse striw 
distinctly visible; the apperture varies from purple to yellow 
and white. 
