| Acknowledgements | 第1-6页 |
| Abstract (Chinese) | 第6-7页 |
| Abstract (English) | 第7-9页 |
| Chapter 1 Introduction | 第9-17页 |
| ·A Brief Account of Edith Wharton | 第9-15页 |
| ·Literary Creation Background and Accomplishment | 第11-12页 |
| ·Critical Reception of Edith Wharton | 第12-15页 |
| ·Organization of the Thesis | 第15-17页 |
| Chapter 2 Naturalism as Theoretical Foundation | 第17-30页 |
| ·The Development of Naturalism | 第17-19页 |
| ·Zola’s Naturalism | 第19-21页 |
| ·Relationship between Realism and Naturalism | 第21-22页 |
| ·Naturalism and Wharton’s Creation | 第22-30页 |
| Chapter 3 Environment’s Deterministic Influence on the Main Characters | 第30-53页 |
| ·Lily Bart—the Innocent Soul Sacrificed to her Surrounding Environment | 第30-40页 |
| ·Unfavorable Social Environment | 第31-34页 |
| ·Snobbish Economic Environment | 第34-36页 |
| ·Lily’s Inadaptability | 第36-40页 |
| ·Tragic Lives under the Repressive Social Environment in The Age of Innocence | 第40-53页 |
| ·Newland Archer—Futile Struggle against Social Environment | 第40-45页 |
| ·Ellen Olenska—the Solitary Soul under Stifling Social Environment | 第45-48页 |
| ·May Welland –the Product of Social Environment | 第48-53页 |
| Chapter 4 Other Naturalistic Elements Shown in the two Novels | 第53-62页 |
| ·Hereditary factor—What Causes Lily and Ellen the way They are | 第53-57页 |
| ·How Heredity Determines Lily’s Life | 第53-55页 |
| ·How Heredity Determines Ellen’s fate | 第55-57页 |
| ·Chance and Fate—Force Far Beyond Control | 第57-62页 |
| Chapter 5 Conclusion | 第62-65页 |
| ·A Survey of My Study | 第62-63页 |
| ·Limitations and Prospects | 第63-65页 |
| Bibliography | 第65-69页 |
