
_ 
Ont. B 1 RD Be a7 
feparate from one another, foft and downy, and 
cannot, be embodied together (that is joined) 
fo as to ftrike the air with any advantage, which 
is the chief ufe of wings. Indeed all the feathers 
_ of the Oftrich are of the fame kind. The upper 
eye-lid is moveable. 
The time of laying their eggs depends upon 
the climate which they inhabit: in the’northern 
parts of Africa it is about the begi inning of July, 
| and in the fouthern parts of Africa about the latter 
_ end of December. 
The climate too direéts them very much in the 
hatching their egos, In the torrid zone (which 
is the hotteft part of the world) they lay their 
eggs ina heap of fand, which they colleé toge- 
ther with their feet; and there they fearcely fit 
upon them in the night, the heat of the fun is fuf- 
a ficient to hatch them, and even that is fcarcely 
heceflary, for fome have been known to hatch 
that were never fat upon, or expofed to the rays 
of the fun. 
- But though Oftriches do not fit at all, or 
but very little upon their eggs, they by no means 
forfake them; for they watch them with great at- 
tention, and Pes lofe fight of the place where © 
Bey are laid, 
Tt 

