XII I II 



IV V VI vn VIII IX X XI XII 



.♦- '-•♦♦' 



♦^ ,♦ 



■25 



^^ Jacobabad, SInd. — — Ghardaia, Algerian Sahara. 



Chaman. Baluchistan. ♦♦♦♦♦> Nukus, Turkestan. 



-20 



-30 



Fig. 5. — Monthly Mean Maximum and Mean Minimum Shade Tem- 



PERATUBES OF FoUR PLACES IN THE GrEAT PaL^EARCTIC DeSERT 



18 



