NASSAUe 
mark the various possessors, with those which 
so forcibly attract our attention in the structure 
of their external covering. When we refle£l, 
that there are myriads of shells, scarcely visi- 
ble without the microscope, what must we 
think of the animals which reside in such mi= 
nute habitations. 
The present subject, however, is a shell of 
tolerable size, being usually of the same mag- 
nitude as it appears in our figure. 
Those shells v/hich bear the name of Nas- 
sau," it is observed by Knorr, " most assuredly 
merit a distinguished rank among the Cochlese 
Lunares, or Moon Shells ; the mouths of 
which are round like the moon when at full.'* 
He has figured three different shells under this 
denomination ; but that which we have adopted, 
in the annexed print, is by far the most beauti- 
ful. The other tw^o, indeed, seem but little 
entitled to the name of Nassau, otherwise than 
by resembling the present object in general 
form ; if, as Knorr suggests, this appellation 
has been received on account of the Orange 
colour which predominates, in compliment to 
rbp- 
