2 o Mr. debraw’s Difcoveries 
fhort, that the queen-bee lays only two kinds of eggs ; 
viz. thofe that are to produce the drones, and thofe from 
■which the working-bees are to proceed. 
The trials made by Mr. schirach feem to evince the 
truth of his conclufions in the moft fatisfaCtory manner, 
Angular as they appear to be at firft fight; and indeed 
in my own judgement, from the conftant happy refult 
of my numerous experiments, which I began near two 
years before Mr. schirach’s publication, and repeated 
every feafon fince, I am enabled to pronounce on their 
reality. 
Chance I own befriended me in that difcovery, whilft 
I was moft anxioufly endeavouring to afcertain the ufe of 
drones. It was in the fpring of the year 1770, that I for 
the firft time difcovered what maraldi had only con- 
jectured, I mean the impregnation of the eggs by the 
males, and that I was made acquainted with the difference 
of fize in the drones or males obferved by maraldi in his 
Obfervations upon Bees , inferted in the Hiftory of the Royal 
Academy of Sciences for the year 1 7 1 2, p. 333. in thefe 
words : 
Nous avons trouve depuis peu une grande quantite de 
bourdons , beaucoup plus petits que ceux que nous avions 
rentarque auparavant , et qui ne furpaffent point la gran- 
deur des petit es abeilles\ de forte qu'il n'auroit pas ete aife 
de 
