Chapter III. The Distribution of Sexes | 5376 |
Chapter XII. The Halicti: a Parasite | 5796 |
Chapter VIII. Parasites | 5744 |
Chapter IX. The Theory of Parasitism | 6641 |
Chapter X. The Tribulations of The Mason Bee | 7422 |
Chapter III. Another Prober (Perforator) | 6391 |
Chapter XVI. A Parasite of The Maggot | 6796 |