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In examining the drawings for his plates, I have 
obferved, that Tab. VII. fig. 2. is evidently a red con- 
ferva, which he calls a coralline. We have no co- 
rallines, but many confervas, of this form and bright 
red colour on our coafts ; and thefe fhores, I believe, 
are allowed to have fimilar marine productions with 
thofe of Holland. 
Tab. VII. fig. 5. he calls a branch of red coralline, 
which he fays he kept feveral weeks in fea -water, 
and that often changed ; during which time it 
fprouted and grew very much. This experiment, I 
am perfuaded, is very true ; becaufe it is plainly a 
vegetable, as appears from his own exaft drawing of 
it ; and feems to be the fucus teres rubens minus in 
longum protenfus of Ray’s Synopfis, ed.3. p. 51. N. 
53 . This is one of his principal arguments to prove 
the vegetation of corallines. 
Tab. VIII. fig. 1. he calls a branch of red coralline; 
and at fig. 2. he has it magnified, where it appears 
to be a geniculated red conferva, drawn and painted 
with great exadtnefs. 
, f " ' , ’ ' . * + , l 
Thefe arguments, my Lord, and thefe figures of 
real vegetables, which the Do&or has given us for 
corallines, £hew, how much he is willing to fupport 
the old opinion of the botanifts : but I am fatisfied 
he will foon alter his opinion, when he obferves the 
remarkable difference of the texture of vegetable and 
coralline bodies, when viewed in fea- water thro’ a 
good aquatic microfcope. And to convince him 
more fully, that corallines are an animal fubflance, 
let him burn them, and he will perceive the fame 
pungent volatile alkaline fmell, which he finds in 
burning. 
