52 



CELESTIAL, ATMOSPHEEIC, AND 



the Etesians, and do not blow continuously.* These winds 

 were called Ornithise because they blew when birds were 

 mating, or because migratory birds arrived with them in 

 Greece. 



In Meteorol. ii. c. 6, Aristotle gives directions for drawing 

 a diagram showing the quarters from which the chief and 



FIG. 3. 



Boreas and Aparctias 

 N 



Thraskias 



K Meses 



Argestes 

 Olympias 

 or Skiron 



Zephyros W 



Lips G 



Z Kaikias 



E Apeliotes 



D Euros 



Phoinikias 



ARISTOTLE S COMPASS. 



best denned winds blew. Fig. 3 has been drawn according 

 to these directions, Z being the position of the rising sun in 

 midsummer, F that of the setting sun in midsummer, D that 

 of the rising sun in midwinter, and G that of the setting sun 

 in midwinter. I is half-way between due north and F, and 

 K is half-way between due north and Z. Athens is supposed 



Meteorol. ii. c. 5, s. 9. 



