Uncle Dick and Lisa's Old Time Animal Tales

     Director George Jennison of the Manchester Zoological gardens pronounces Great Britain’s “rat week,” when efforts were made to decimate the rats responsible for the destruction of $140,000,000 worth of food annually, to be a great mistake. The male rat, the bold rover, is the one caught by poison, and the death of males only improves living conditions for the survivors. Four male and six female rats will, under favorable conditions, increase to large proportions in a period of two years. Doctor Jennison’s suggestion is to upset the numerical proportions between the sexes and leave the males to destroy their own kind; he would forbid the poisoning of rats, but would take them alive in traps, kill the females, and turn the males loose. He claims to have followed this method for years with success.-Scientific American.