IV. A relation of the had condition of the mountains about the Tungarouse and Batavian Rivers, having their source from thence, occasioned by the earthquake between the 4th and 5th of January, 1699. Drawn up from the account given by the Tommagon Porbo Nata, (who hath been there) and sent to the Burgermaster Witsem, who communicated it to the R. Society of which he is a member.