The remainder of the day was devoted to obtaining bearings and adding to the triangulation of the many remarkable summits visible from this part of the country.

After consulting the map, we manoeuvred the houseboat so as to enable us to do some rough sort of triangulation with the compass, and finally dropped anchor, satisfied that we were at the historic spot, even though it was too wet to get out and look for the footprints.

The survey was carried along the western shore, and while so engaged I determined the width of the upper wide part by triangulation at two points, the width of the narrow middle part at three points, and the width of the lower part, at three points.

He also smiled maliciously in the presence of certain physical theories and considered visionary, if not actually insane, the Jesuit Secchi, to whom he imputed the making of triangulations on the host as a result of his astronomical mania, for which reason it was said that he had been forbidden to celebrate mass.

Preferring Mr. Tyers' difference of longitude by triangulation to the east entrance point of the Glenelg River, 37 minutes 29 seconds, which is 1 minute 27 seconds more than his chronometric measurement; the mouth of the Glenelg will be 10 degrees 13 minutes 51 seconds West of Sydney.