Obsei'valiou.s lioi-aii'e.s cle la pression alinosphéricjiie 

 avi solstice d'iiivei* cleiSocj . 



,„m Balle.Uri^de' l ^■LYtf/èmje- 



JemoifT ; T<nne Hl .Ptu/e i!i. 



21 JJcce^rttMr-e^ . 



