on the Sex of Beesr 2 5 
the bees to provide a frefh quantity, being fully deter- 
mined to watch narrowly their motions after new eggs 
fhould be depoiited in the cells. This was done accord- 
ingly, and at lail the myftery was unravelled. On the 
fecond day after the eggs were placed in the ceils, I per- 
ceived the fame operation which I have related in a for- 
mer experiment; I mean, the bees hung down in the 
form of a curtain, while others thruft the poflerior part 
of their body into the cells : I then introduced my hand 
into the hive, broke off a piece of the comb containing 
two of thofe infects, and kept them for examination. I 
found in neither of them any fling (a ciicumfiance pe- 
culiar to drones only) and upon difledtion, by the help ox 
a dollond’s microfcope, difcovered in them the iour cy - 
lindrical bodies, which contain the glutinous liquor of a 
whitifh colour, obferved by maraldi in the large drones. 
Having till then never obferved any difference in the 
fize of drones, I immediately perufed the Memoirs on 
Bees publifhed by Meff. maraldi and Reaumur, and 
found that they had Remarked it frequently. ? have in- 
ferted in a preceding page the fubftance of tneii obferva- 
tions on that head, as taken from their writings. The 
reafon of that difference muft I doubt be placed amongft 
other arcana of nature. I found myfelf therefore unuci 
aneceflity in my next experiments to be more particuku 
V0L0 LXVII. E 311 
