To his Honoured Friend 
Daniel Colwall E 
Fellow of the Royal Society. 
SIR/ 
Othing can be more fit, than to dedi- 
cate a Catalogue of that $S/fufaum 
to your Self • of which you are 
the Founder. You having, in your 
Devotion to the l&yal Society y offered 
up to them That fo noble an Hecatomb e. 
The truth is, I have herein profecuted, what the 
^oyal Society, by their Order for the making and 
publifliing of this Catalogue, had begun : they ha- 
ving done the fame, as with regard to Common 
Life; fo to return that which is but Right to your 
Self, and that they might always wear this Cata- 
logue, as the Miniature of your abundant Refpeds, 
near their Hearts. 
Neither muft your Voluntary Undertaking for 
the Engraving of the Plates for this Work, be un- 
known. You having done this, not only out of 
refped to my Self ; but like wife in order to a Fub- 
lique Good; whereby you are a Benefactor to all 
Ingenious Men. 
Befides the particular regard you had to the Royal 
Society it Self ; which feeming ( in the opinion of 
fome) to look a little pale, you intended hereby, 
A3 to 
