depended on a manuala#39;s keys to identify and catalog his vated by the nature tales of John Burroughs, was listen- ... The commonest type, still familiar tive enjoyment of wild creatures. Wealthy folk now today to botanists and bird- banders, was the descending sought warblers not in the millinera#39;s shop but in the dichotomous key, which posed a series of yes-or-no park. ... If your answers were book that described birds as they saw them through a all correct, at the end you would haveanbsp;...