Historical Account of Testaceological Writers. 123 
some of these figures were omitted, and some new ones intro- 
duced, so as to render the whole number fourteen, and they are 
considerably larger than the former. In the Lyons edition of 
1572, by des Moulins, some of the species contained in that of 
1554 are introduced (but with the omission of one contained in 
the edition last mentioned), and the figures are all original. They 
were copied by the Venetian publishers in 1621, but were in 
some instances transposed and reversed. Bauhin, in his publi- 
cation of this work, copied pretty accurately that of 1572, so far 
as the figures are concerned ; as did also Pinet, who, however, 
reduced the size of them very considerably, and inserted only ten 
species. The edition of 1683 we have never seen. Matthiolus is 
pretty copious in his descriptions of the shells mentioned by 
Dioscorides, but they are derived chiefly from the perusal of 
authors whom we have already mentioned. 
GESNER. 
In 1558 appeared the work of Conrad Gesner " de Piscium et 
Aquatilium Animantium Historia" in which may be found all that 
was known by the antients, and by this author's immediate pre- 
decessors, relative to Testacea. Well might Boerhaave bestow on 
Gesner the appellation of " Monstrum eruditionis" — an appella- 
tion to which this indefatigable writer was justly entitled, for the 
extent of his learning, and the excellence of his comments on the 
writings of antiquity. His figures of shells are, for the most part, 
extremely rude ; but, in general, the species intended to be re- 
presented may be pretty readily recognized, and they are accom- 
panied by very ample descriptions. In the " Icones Animatium" of 
this author we find several shells of the Indian and Arabian seas, 
which had never been figured before, and which prove that he 
w r as not content, even in a part of his work comparatively so in- 
considerable. 
