23 FEBRUARY 1878, page 22

Dr. Radcuffe On The Unity Of Nature.* Tee Main Object

of this book we take to be to point out the existence, in all provinces of Nature, of diversity in unity and unity in diversity ; but while we are made fully aware by Dr.......

The Voyage Of The Challenger.'* The Expedition Of H.m.s....

round the world for purposes of scientific research and discovery, and more specially for the exploration of the physical condition of the bottom of the deep sea, was organised......