By dredging, or some form of mechanical excavator, until the formation is reached which is to support the pier; the concrete is then shot into the enclosed space from a height of about io ft., and rammed down in layers about i ft.
The excavator also claimed to have found the omphalos itself.
But two difficulties face the would-be excavator in Alexandria.
Excavation is permitted under government supervision, and the finds are apportioned in thirds, between the excavator, the landowner (who is usually bought out by the former), and the government.
When, in 1880, General Pitt-Rivers obtained possession of his great-uncle's estates-practically untouched by the excavator since they had been the battleground of the West Saxons, the Romans and the Britons-he devoted himself to exploring them.
This building, the date of which is not yet finally settled, though its excavator believes it to be of the Old Kingdom like the temple of the Sphinx at Giza, is one of the most remarkable in Egypt, and the completion of its excavation is much to be desired.
SIR AUSTEN HENRY LAYARD (1817-1894), British author and diplomatist, the excavator of Nineveh, was born in Paris on the 5th of March 1817.
Such may, of course, form the greater part of the harvest and working material of a scientific excavator; their presence is most welcome to him, but their complete absence need be no bar to his attainment of important historical results.