Island 35 Mastodon Island 35 Mastodon The Island 35 Mastodon was discovered on Island No. 35 of the Mississippi River in Tipton County, Tennessee, United States. In 1900, a Pleistocene mastodon skeleton was excavated approximately east of Reverie, Tennessee and southeast of Wilson, Arkansas. In 1957 the site was reported as destroyed. Mastodons are members of the prehistoric, extinct genus "Mammut". They resemble modern elephants. Native to North America, they are said to have lived on the North American continent from almost 4 million years ago, in the Pliocene Epoch, until their eventual disappearance about 10,000 years ago. In 1900, archaeologist James K.
Early modern demography Early modern demography Early modern demography is the demography of the world after the end of the medieval period, encompassing the whole of the Early modern period until the availability of accurate census records and other data which form the basis for contemporary demography. Depending on the context, the end of the medieval world and the beginning of the modern may be dated to the Black Death in the middle of the 14th Century, the Fall of Constantinople in the middle of the 15th Century, or the Age of Exploration and the resulting epidemic deaths. Karl Julius Beloch estimated the