Chapter III. The Distribution of Sexes | 5453 |
Chapter XII. The Halicti: a Parasite | 5908 |
Chapter VIII. Parasites | 5840 |
Chapter IX. The Theory of Parasitism | 6732 |
Chapter X. The Tribulations of The Mason Bee | 7550 |
Chapter III. Another Prober (Perforator) | 6487 |
Chapter XVI. A Parasite of The Maggot | 6884 |