Show A DROP OF WATER it Is a world with life in a single drop of unaltered water may be seen in miniature the tragedy that goes on perpetually in tho world at large for in the little drop there la a whole universe 0 life with all ite terrible and death dealing competition with nil its mystery and woe it was a french biologist who invented the method by which this wonderful state 0 things Is demonstrated he called the method the hanging drop slide and it la beautifully simple A drop of water from the edge of an ordinary pond Is placed in a hoi lowed out space on a small strip of glass and sealed with a bit of thinner glass and now day after day and night after night the hideous business going on in that one drop of clear and apparently pure water may bo watched and studied at the leisure of the observer the drop of water Is a world in itself multitudes of animals swim about in it with plenty of room the giant worms with tremendous swish ing tails of whose approach one isi made aware by the confusion and pant pan t ic of the smaller creatures scurrying out of the way in fear of their lives and countless bacteria inhabit that drop as their permanent and proper home and their ranging place |