166 Dr. Mato.n's and Mr. Rackett's 
The second edition of D'Argenville was augmented by a his- 
tory of the Mollusca inhabitants of shells, and three new plates, 
two of which are illustrative of those animals ; and the latter are 
figured, in general, of their natural size. 
In 1780 there was another publication of this admirable work, 
with considerable additions, corrections, and improvements, by 
Messrs. Favanne de Montcervelle (father and son). There are 
upwards of 2000 shells figured in this edition, and in so masterly 
a manner that the work, on the whole, surpasses every thing of 
the kind which the world had seen before, and must still be held 
in the highest estimation by the lovers of testaceology. 
BARTRAM 
appears in the Philosophical Transactions as author of some " Ob- 
servations concerning the Salt-marsh Muscle, the Oyster-banks, 
and the Fresh-water Muscle of Pennsylvania." These obser- 
vations are accompanied by figures. 
NEED HAM, 
whose account of Microscopical Discoveries is well known in our 
own country, deserves mention here, as having given a very full 
description of the Lepas anatifera, with figures of that shell and 
of various parts of the contained animal, which arc referred to by 
Linnams. 
At this period the " Tcstacco-Theohgicr of 
LESSERS 
was written, with a view to elevate the study of those beautiful 
and varied creatures that inhabit the depths of the ocean to a 
level witli others more commonly chosen for demonstrating 
the power and wisdom of the divine Ruler of the universe; and 
surely 
