Chapter III. The Distribution of Sexes | 4431 |
Chapter XII. The Halicti: a Parasite | 4884 |
Chapter VIII. Parasites | 4865 |
Chapter IX. The Theory of Parasitism | 5771 |
Chapter X. The Tribulations of The Mason Bee | 6359 |
Chapter III. Another Prober (Perforator) | 5503 |
Chapter XVI. A Parasite of The Maggot | 5986 |