His careful observations concerning the meteorology of this region are of great value, and his surveys between Kopa and the' Naichi Gol were in a country not previously explored.
In the same year, a general amnesty admitting of his return to America, he accepted the professorship of meteorology in the Virginia Military Institute, and settled at Lexington, Virginia, where he died on the 1st of February 1873.
Reference should be made to the articles Barometer, Climate and Meteorology for the measurement and variation of the pressure of the atmosphere, and the discussion of other properties.
Lyons, The Physiography of the River Nile and its Basin (Cairo, 1906); Leigh Canney, The Meteorology of Egypt and its Influence on Disease (1897).
This observation applies in particular to the general theory of the meteorology of the South Polar area, as expounded for the Gauss expedition by Prof. Meinardus and for Scott's last expedition by Dr. G.
In 1859 he was appointed director of Kew Observatory, and there naturally became interested in problems of meteorology and terrestrial magnetism.
And at the same time the importance of forests as affecting the general meteorology of a country was being learned from bitter experience in Europe.
The building was finished in 1832, and the instruments were ready for work in 1835, from which date the observations were published in 4to volumes (Annales de l'Observatoire Royal de Bruxelles), but Quetelet chiefly devoted himself to meteorology and statistics.
In 1849 he was appointed director of the observatory of the Collegio Romano, which was rebuilt in 1853; there he devoted himself with great perseverance to researches in physical astronomy and meteorology till his death at Rome on the 26th of February 1878.
The contents of these logs, it is true, refer more to maritime meteorology than to oceanography properly so-called, as their main purpose is to promote a rational system of navigation especially for sailing ships, and they are supplied by the voluntary co-operation of the sailors themselves.