61:1.9 Throughout this so-called [http://en.wikipedia.org/wiki/Eocene Eocene] period the [[evolution]] of [[mammalian]] and other related forms of life continued with little or no interruption. North America was then [[connected]] by land with every [http://en.wikipedia.org/wiki/Continent continent] except [http://en.wikipedia.org/wiki/Australia Australia], and the world was gradually overrun by [[primitive]] mammalian fauna of various types. | 61:1.9 Throughout this so-called [http://en.wikipedia.org/wiki/Eocene Eocene] period the [[evolution]] of [[mammalian]] and other related forms of life continued with little or no interruption. North America was then [[connected]] by land with every [http://en.wikipedia.org/wiki/Continent continent] except [http://en.wikipedia.org/wiki/Australia Australia], and the world was gradually overrun by [[primitive]] mammalian fauna of various types. |