462 



Sir N. Lockyer and Dr. W. J. S. Lockyer. [Apr. 13 



Analysis of Pressure 



North. America 



Atlantic Ocean 



Jacksonville 



Mobile 



Pensacola 



Nashville 



San Diego 



St. Louis 



Bismarck 

 Kansas City . . 



Boise 



Salt Lake City 



Santa Ee 



Denver 



Portland 



Gralveston 



Alpena 



Buffalo 



Pikes Peak 



Ft. St. Michaels 



(Alaska) 

 Bermuda 



Canada Toronto 



Nova Scotia . . 

 Sandwich Isles 

 Tahiti 



Greenland 



Iceland 



Europe 



Eort Garry (Manitoba) 



Sydney 



Honolulu 



Papeete 



Jacobsbavn 

 G-odthaab . . 



Stykkisholm 

 Beruf jord . . 



Tromso . . , 

 Yardo 

 Aalesund , 

 Stornoway, 

 Aberdeen . 



Arniagb. . . 

 Stonyhurst 



Valencia 

 Palermo 



Madrid 



Gibraltar 

 Lisbon. . . 

 Vienna . . 



Constantinople. 



— Some slight differences 



_ ? 



_ ? 



± ? 



_ ? 



_ p 



± ? 



± ? 



4- P 



± r 



_j_ ? 

 _ ? 



? 



+ ? 



+ ? 



+ ? 



± ? 



+ ? 



± ? j 



± ? I 



± ? 



± ? 



± ? 



± ? 



_ ? 

 _ ? 

 ± ? 



Marked differences . 

 Slight differences . . 

 Marked differences. 



Slight differences . 

 Close resemblance 



Equally like both types . 



Some slight differences. . , 

 Difficult to determine. . . 



Lhdoubtedly this type. 



See Plate 13 



1S77 Indian pulse present 

 Like India, one year in 

 advance 



Yerv like Jacobsbavn, =ee 



Plate 12 

 Yery slight differences, 



1877 present, see Plate 12 1 

 Yery slight differences, 



1877 present, see Plate 13 1 



1877 pulse absent 



Yery slight differences, 

 1877 absent 



See Plate 12 



1873—1899 



1873- 

 1880- 

 1873- 

 1873- 

 1873- 

 1875- 

 1890- 

 1878- 

 1874- 

 1S73- 

 1863- 

 1873- 



-1899 

 -1899 j 

 1S99 I 

 -1899 i 

 -1899 

 -1899 | 

 -1899 ! 

 -1890 

 -1899 

 -1S99 

 -1899 

 -1899 



1873—1899 

 1873—1899 



1873— 1899 



1874— 1887 

 1874— 18S4 



1866—1899 

 1874—1890 



1874—1891 

 ] 874—1898 

 1873—1901 

 1876—1891 



1873—1897 



1873— 1895 



1874— 1901 



1874—1901 



1874—1898 

 1&70— 1898 

 1861—1898 

 1863—1903 

 1869—1899 



1869—1903 

 1885—1902 



186S— 1899 

 1874—1884 



1860—1899 



Eemarkable likeness to 

 ( — ) at times, see Plate 12 i 



Like Oct.— Apr., Azores. . ! 1864—1900 

 1860—1896 



See Plate 12 j 1860—1901 



- 



I 1874— 1S84 



