| CHAP. | | PAGE | | Preface | v | | I. | Introductory | 1 | | II. | The external structure of a flea | 21 | | III. | The mouth-parts and sense-organs | 38 | | IV. | The internal organs of a flea | 52 | | V. | The Human flea and other species | 62 | | VI. | The Chigoes and their allies | 74 | | VII. | Fleas and Plague | 83 | | VIII. | Rat-fleas and Bat-fleas | 97 | | Appendix | A. | Systematic view of the order Siphonaptera | 108 | | ” | B. | A list of British fleas and their hosts | 110 | | ” | C. | On collecting and preserving fleas | 113 | | ” | D. | Bibliography | 118 | | Index | 122 |
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