{"date":"April 24","id":"04-24","intro":["At the rate at which elephants naturally increase, Darwin estimated that in 750 years there could be nearly 19,000,000 elephants. But did Darwin consider the ravages of civilization and circuses?"],"minutes":26,"readings":[{"author":"Charles Darwin","end":86,"start":74,"volume":11,"work":"Origin of Species"}],"slug":"april-24","status":"proofread","title":"Nineteen Million Elephants","url":"/harvard-classics/april-24/","words":5222}