of KERATOPHYTA, 67 
extend themfelves 16 Feet in Length; whereas, I believe, 
no-body has yet feen the leaft Tendency to Fructification in 
thefe Bodies, unlefs what appears in the cellular cortical Part 
fhould by any be deemed fo; notwith{tanding Obfervation, 
and many Experiments, fhew us plainly that this has much. 
greater Affinity to the Work of Animals. 
Laftly, The chemical Experiments, that have been made 
on thefe Bodies, are a ftrong Proof, if there were no other 
Demonftrations, of their being animal. — 7 
Ineed not mention any other to the curious, than the great 
Quantity of volatile Salts, that may be extracted from them, 
and the ftrong Smell they yield, when burnt, of roafte 
Oyfters. | : 
We have as yet met with but two kinds of Keratophyta on 
thefe Coafts, and even thefe are rare. The firft is ; 
N°. 1. Keratophyton flabelli forme, cortice verrucofo a 
tum. R. S. pag. 32. ie - 
) Warted Sea-fan. _ 
SESGE TI, . eh. fey : | 
This was found on the Coaft of Cornwall. The Outfide | 
of it is covered over with a Cruft, full of little Lumps like | 
Warts; which, when diffolved in Vinegar, difcover the con- 
tracted Bodies of Polypes, with eight Claws. | 
Fig. a, N°. r. reprefents a {mall Sprig of this Keratophyton. 
Fig. 4, and 4 1, are two Views of one of the Warts 
magnified, | ibe | 08 
Fig, 4 2, is the Appearance which the Polype made, 
when the cretaceous Matter was diffolved. : 
Fig. 43, reprefents the Particles magnified, that compofe 
the Incruftation. . 
. : K 2 N°. Ze 
