INTRODUCTION. 
they did in regard to their Texture ; and that, in many of 
them, this Texture was fuch, as feemed to indicate their be- 
ing more of an animal, than vegetable Nature. 
_ This put me on feparating fuch as had thefe apparent In- 
dications, from thofe, which, from their Form of growing, . 
I till took to be Sea-plants ; placing thofe in a third Clafs, 
_ which feemed to partake of the Nature of both. | 
The firft Divifion comprehended all thofe, that were ous 
dently the (Vidus's, or Cells of Animals, | | Hiri 
The fecond took in the curioufly branched Corallines. — 
The laft confifted of the ftony articulated Corallines and 
Keratophyta. : he ADS eta 
“Thefe were regularly difpofed in four Pictures, which I 
had the Honour to produce before the Royal Society, about 
Sfune 17525 with a Defcription of their Contents, as they 
then appeared to me. fie | 
As I was convinced, from my own Obfervations of the 
Subjects themfelves, that feveral; which had hitherto been 
confidered by Naturalifts, as Marine Vegetables, were in 
Reality of animal Produ@tion : So from the Opinions of {e- 
yeral Gentlemen then prefent, my Sufpicions were increafed, 
that others likewife, which I had taken for Vegetables, 
might in Reality be of an animal Nature. act 
vii 
- To determine how far thefe Sufpicions were juft, it 
feemed the moft expedient to examine the Subjeéts, when 
recent, with Attention. And accordingly, in Auguft 17525 
- [went to the Ifland of Sheppey, on the Coaft of Kent; and 
took with me Mr. Brooking, a celebrated Painter of Sea- 
pieces, to make the proper Drawings for me. Here we had 
, an 
