Chapter III. The Distribution of Sexes | 5223 |
Chapter XII. The Halicti: a Parasite | 5580 |
Chapter VIII. Parasites | 5573 |
Chapter IX. The Theory of Parasitism | 6462 |
Chapter X. The Tribulations of The Mason Bee | 7259 |
Chapter III. Another Prober (Perforator) | 6196 |
Chapter XVI. A Parasite of The Maggot | 6637 |