November 26, 1886.J 



sciENCi:. 



471 



results obtained later, when much additional data relative intensities, as plotted, with any facts 



will be at hand from the signal service, lighthouse which have come to their knowledge, the survey 



board, and other official sources. will no doubt be glad to hear of it. These lines. 



Calls for information in the public press and by when drawn from reliable observations, form, 



circular letters have been so generously responded perhaps, the most important of all records that 



to, however, that the lines may be regarded as can be made, and on such data the future prog- 



fairly well established, although if our readers ress of seismology must be largely based. 

 notice any inconsistency between the times and The outer isoseismal (where the shock was felt 



