INDEX TO PLATES OF DIAGRAMS OF SECULAR CHANGE. 
Arica.Plate 13 
Ascension Island ... . . . Plate 13 
Barbados.Plate 14 
Batavia.Plate 14 
Bombay.Plate 14 
Callao.Plate 14 
Cape of Good Hope.Plate 15 
City of Mexico.Plate 15 
Concepcion .Plate 15 
Coquimbo.Plate 15 
Fayal.Plate 16 
Habana.Plate 16 
Hongkong.Plate 16 
Honolulu. . Plate 16 
Magdalena Bay.Plate 16 
Manila.Plate 16 
Montevideo.Plate 17 
Paita.Plate 17 
Panama.Plate 17 
Pernambuco.Plate 17 
Petropavlovsk.Plate 17 
Punta Arenas .Plate 17 
Rio de Janeiro.Plate 18 
Shanghai.Plate 18 
Singapore.Plate 18 
St. Helena.Plate 18 
Sydney.Plate 19 
Tahiti.Plate 19 
Valparaiso.Plate 19 
