and the motion of Auroral Beams. 







Philadelphia. 



W»hington. 









— iir-nr- 















Max. 



19 60-55 







19 50-56 



Min. 







22 5 





Oct. 21. Min. 











Mar. 





3 10 







Nov. 26. Max. 





14 35-45 





14 40-46 



Dec. 22. Mia. 



20 6 









Mia. 







22 16-20 















mS; 



16 42 



16 40 













17 12-18 





F*b.25. Mia! 







12 0-^6 





Max. 









12 6-10 



Max. 











Min. 



19 42-48 







19 45 



Feb. 26. Min. 















March 23. Max. 











Min. 







14 12 





Max. 









17 16 



March 24. Max. 















8 35-40 



8 36 





April 20. mS. 











Min. 













15 48 









mS. 



16 24-30 



16 20-25 







Max. 







19 30 





Min. 



19 48^-^54 









April 21. Max. 





6 







M^y27. Max. 







14 54 





Max. 



19 24-30 



19 25-30 







""'" £ 





14 20 



14 18 



15 ^6 







16 40-45 







M^'. 







17 18 





Max. 



17 54-60 







17 65 



Max. 



19 36-48 









Max. 







20 36 



20 35 



June 23. mS 













Max. 











July 20. mS 



13 18 





13 18 





a426. Max. 



11 48-54 



'' t 







Max. 





14 10 









14 30 





14 30 





m1^ 











Aug.2Y. MinT 



^4 



3 65 







Sept. 21. Min. 



12 54-60 





12 64 





Max. 



17 54 



13 20-25 

 17 45-50 



17 48 

 19 18 





£ 



21 54-60 









B€pt22. mS 



8 12-18 



8 10 



8 \\ 





Oct. 19. mS 





13 25 







mS: 



18 0-6 

 21 24 



21 25 



13 





Oct 20 B 





1 30 



22 24 





Nor. 26. mS 



15 18 



15 15 



15 18 





Dec. 21. Max. 











Max. 



17 48-54 



17 45-50 



17 48 





