Chapter III. The Distribution of Sexes | 5379 |
Chapter XII. The Halicti: a Parasite | 5803 |
Chapter VIII. Parasites | 5747 |
Chapter IX. The Theory of Parasitism | 6644 |
Chapter X. The Tribulations of The Mason Bee | 7424 |
Chapter III. Another Prober (Perforator) | 6397 |
Chapter XVI. A Parasite of The Maggot | 6800 |