The Game of Wonderful Islands

In this game the floor is the sea. Half—rather the larger half because of some instinctive right of primogeniture—is assigned to the elder of my two sons (he is, as it were, its Olympian), and the other half goes to his brother. We distribute our boards about the sea in an archipelagic manner. We then dress our islands, objecting strongly to too close a scrutiny of our proceedings until we have done. Here, in the illustration, is such an archipelago ready for its explorers, or rather on t...

 There Are Many Types of Islands

IMAGINE a world without islands. Biologists often use the word 'island' to mean something other than just a piece of land surrounded by water. From the point of view of a freshwater fish, a lake is an island: an island of habitable water surrounded by inhospitable land. From the point of view of an Alpine beetle, incapable of flourishing below a certain altitude, each high peak is an island, with almost impassable valleys between. There are tiny nematode worms (related to the elegant Caenorh...