Like Jack London's masterpiece The Call of the Wild, the researches in China emerge in endlessly, but specifically for Buck researches are rarely。 Although some critics review Buck in the book，but don't have much description。

2。 Literature Review论文网

The Call of the Wild is the masterpiece of Jack London which brings him great fame and thus many researches are studying this novel from different angles by scholars at home or abroad。 James Lundquist ever praised the novel as “ This is by far the best piece of work which has come from this gifted author。 This book rises above mere story telling and possesses elements of the best in literature-scope, vitality and fullness”(Lundquist 1987)。 Naturalism in The Call of the Wild is profoundly studied by large numbers of scholars。 Charles N。 Watson Jr。 compares The Call of the Wild with Mark Twain's The Adventures of Huckleberry Finn and points out the similarities of their themes and structures: both of them are reflection of American dream which relates with nature and freedom。 He also points out that Jack London is influenced by naturalism undoubtedly while he never restrained by naturalism (Watson 33)。 Jonathan Auerbach indicates that Buck's behavior seems back to the ancestors, a process of degenerate to uncivilized (Auerbach 96)。 In our country, the research on its naturalism is also very popular。 Hu explores the multiple theme of The Call of the Wild such as return nature, love, the nature of capitalism and so on (Hu 26)。 Besides, Jia indicate it can be easily found that Jack London is hinting at human by animal, appealing to people to adjust to the environment and be a winner of the life (Jia 177)。 Zhao Yan explores the important role of heritage, environment and chance in the protagonist’s behavior, thought and fate (Zhao 98)。 Liu is another example which concentrates on the study of naturalism in The Call of the Wild (Liu 45)。 Geng analyzes, in the light of naturalism, the decisive effect of fate on human being (Geng 37)。 

3。 Analysis of Bulk’s Transformation

3。1 Introduction of The Call of the Wild文献综述

The American writer Jack London's life experience is rich, and has a profound understanding to darkness and the shadow of the lower people’s life in the capitalist society。 The Call of the Wild is Jack London's most famous novel。 The story revolves around the prevailing of the gold rush in the society at that time and shows the struggling of the dog in the special environment incisively and vividly。 The story mainly narrates the hero Buck’s process of life that he returns from civilization of human society to the original wolves’ life。 Buck who grew up in a greenhouse environment was stolen and trafficked into pristine wilderness as a sled dog。 The harsh reality struck Buck’s instinct and the consciousness of returning to nature because of the long-term influenced by human civilization。 Harsh environment exercise Buck and he grew in experience。 Finally Buck became the leader by beating the leader dog Spitz。 When Hal want to killed Buck and threw them into the snow, John Thornton saved Buck and made him feel warmth and broke the fiercely loyalty to benefactors and the nostalgia of human society finally prompts Buck to determine to return the wilderness and the nature。