"For the specimens and notes which form the subject of the present communication, the Society is indebted to the zeal and activity of J. Crawfurd, Esq. one of its Fellows, who having occasion to traverse the Burmese Country, on an embassy to Ava, in the years 1826 and 1827, discovered an extensive deposit of organic remains in that unknown and distant region. He has brought home specimens of these remains, both animal and vegetable, as well as of the strata in which they were found, and has with much judgment and liberality presented them to the Geological Society of London, and to several other scientific Societies. It is on an examination of these specimens, and of the notes contained in Mr. Crawfurd?s daily journal, that the observations and descriptions that make up the present memoir arc founded..."