198 Mrs. Sheppard on Sc. 
T have no where met with a description which would iden. 
tify this, or the next species, but as theyare not rare, they 
probably may have been named. 
Buccinum—————? Shell oval conical, white, transversely 
sulcated ; spire tipped with brown ; apperture pink or red- 
dish purple. 
Inhabits the Magdalen Islands, not so large as the forego- 
ing, but much heavier : the shell is of a more solid and flinty 
texture. 
[tis to be regretted that no book of reference has yet 
made its appearance here, comprising every species. With- 
out a complete nomenclature it is impossible to determine 
whether a shell be new or not: several are met with which 
do not accord with any mentioned in the books we have ; al« 
tho’ perhaps they may be described elsewhere. 
De Lamarck’s work is quite satisfactory with regard to 
the genera, but as he only gives a part of each genus, I 
have, (as is apparent) been frequently at a loss respecting the 
species. 
Art. XI—Journey across the continent of 
North America by an Indian Chief, about the 
middle of the last century, as taken from his 
own mouth, and reduced to writing by M. Le 
Page du Pratz, communicated by Andrew 
Stuart, Esquire. 
Ir has often been conjectured that North America was ori« 
ginally peopled from Tartary, and that the Tartars entered 
this continent by the way of Kamscatkae There are many 
reasons for believing that the new continent as well as the old 
has been peopled by different races at different times; and 
that the last great change which took place was produced by 
a 
