u 



REPOBT — 1891. 



them must, surely, rest upon a more or less accurate deter- 

 mination of the origins : for instance, a classification based 

 upon the character of the surface-rocks or of the uppermost 

 crust of the earth seems too much like a priori reasoning, and 

 might be very misleading, especially where the earthquakes are 

 so deep-seated as they are in New Zealand. I shall feel quite 

 satisfied if I have succeeded in grouping our present know- 

 ledge, and in indicating the most profitable lines for future 

 work. 



K is a list of the 775 earthquakes on which the paper is 

 founded. 



Table A.- 



-Eecokds of Eabthquakes- 

 1848-90. 



-New Zealand, 



a Number recorded ; certamly a great many more. 



b The earthquake tidal waves of August, 18G8, not inchided, though the earth- 

 quake shocks proper on previous and succeeding days are included. 



The shocks occurring at the date of eruption of Tarawera are not included. 

 Seventy-one shocks are recorded at Opotiki on the day of the great outbreak. 



Table B. — Number of Shocks (745) recorded each Month 

 OF THE Year, 1848-90.--' 



Thirty records, recently received, are not included in this table : they do not 

 affect tlie relative number per month. 



