The feed at firft coming out is very white, but within a day 
it becoms greenifh , then red , at laft by little and little gray^ 
which colour it retains alwaics,the moft coloured of an obfcure 
gray,being the beft • thofe grains, which never quit their white- 
ncf$3 having no fecundity in them. 
Each female emits ordinarily (ome 500.grains3more or lefs, 
fome of them not being able to render them all, and dying 
with them in their belly. One ounce of feed will require an 
hundred pair of Cafes, of as many Males as Females* 
Care muft be taken^that no Rats,Mice, Ants, or other Ver* 
miUj nor any Hen^, or Birds, come neer the Seed, they being 
very greedy to eat them. 
Ihis is the fubftance of what is contained in this French 
AuthorjpubIi{hed at on purpofeto promote the Making 
o(Sil\ there, as well as it is pradtifed already in other parts ot 
that Kingdom : which is reprcfented here,to the end, that from 
this occafion the defigUj which the Englilh Nation once did 
entertain of tht increajing of A^ulberry -trees, 2iV\Aih^ Breeding 
Sili^^wormf^forthQ making ofSil\v^'\i\{m themfelves, may be 
renewed, and i^/^^^ encouragement, given by ^iw^'^^ames of 
Glorious memory for that purpofe ( witnefs ^2^t Letter whicli 
he directed to the Lords Lieutenants of the feveral fliires of 
England^ and feconded by his Mofi Excellent Majefiy^ that 
now iSjbe made ufeof^ for the honour of England Virgin 
nia^ and the incrcafe of wealth to the people thereof: efpcciaily 
fince there is caufe of hope, that a double Silk^harvefi may be 
made in om Summer in Virginia^ without hindring in the Icaft , 
the TebaccQ-Ht^d.^ of that Countrey. 
Enquiries concerning Agriculture. 
Whereas the T^Qjal Society^ in profecuting the Improvements 
of Natural knowledge hzvQ it in defign , to coWqOl H if! or its of 
TSlatureand Arts , and for that purpofe have already, accor- 
ding to the feveral Inclinations and Studies of their Members, 
divided themfelves into divers Committees^ to execute the faid 
defign; Thofe Gentlemen ^ which do conftitute the rc;7???2i^/^^ 
for confidcring of Jgriculture , and the Hiftory and Improve* 
meru thQTQof^ have begun their work with drawing up certain 
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