Historical Account of Testaceological Writers, 159 
Acad. Nat. Cur. on monstrous shells, and species that fetched a 
high price at that period. 
Anion % the Observations Rariorum Med. Anat. et Chirursr. of 
STALPART 
is a dissertation entitled "Concha f crisis gravida Anseribus" which 
forms another refutation of the absurd notions once entertained 
respecting the origin of the Barnacle Geese, and is illustrated by 
a plate copied from Wormius. The figure is quoted by Linnaeus, 
though evidently not original. 
JOHN ERNEST IIEBENSTREIT 
seems to have been the first writer who thought an arrangement 
of the Testacea worthy of forming the subject of an academical 
dissertation. The author makes no fewer than eight classes, six of 
which comprehend the univalves, and two the bivalves. Attend- 
ing, like most of his predecessors, by far too much to the innu- 
merable variations of the general shape of shells, and by far too 
little to the apertures and hinges, he has multiplied the subdivi- 
sions of his system to a very unnecessary degree. He has also 
introduced an useless, if not an unphilosophical, distinction be- 
tween Testacea and Conchylia. 
The museum ofRichter, a senator of Leipsic, was described by 
this author; but the method which he observed in that under- 
taking seems to have been compounded of Aristotle's, Lister's, 
and Rumphius's, conjoined with his own. 
DALE 
(the well known author of the Vhormacologia) has inserted in his 
edition of Taylor's History of Harwich an account of the Testacea 
found in the country and on the sea-coast about that town. This 
account 
