F. A. Perret — Report on the Messina Earthquake. 329 



centrum, there was a very pronounced vertical component at 

 the beginning of the earth movement which, in combination 

 with the horizontal motion, threw the objects in the direction 

 of the movement instead of tripping their bases and causing 

 them to fall inward. This will be more evident to the reader 



Fig. 8. 



Fig. 8. Euin of French Consulate. Walls fairly thick and well built but 

 floors weak and house too high for this type of construction. 



from an inspection of the photograph of the Maurolico monu- 

 ment, the dome of which has been thrown to a distance of five 

 meters from the center, which would scarcely have been the 

 case if it had fallen under the impact of horizontal motion. 

 The lantern of the Faro forms a case of displacement toward 

 the epicentrum. 



The principal after-shocks observed by the writer were the 

 following : 



