388 AGRICULTURE. 



IX. study on Spraying. 



X. Natural Enemies. 



1. The Birds. 



2. Predaceous Insects. 



(i) Specific Examples. 

 (2) Required Exercise. 



XI. Specific Examples of Injurious Insects. 



1. Plant-lice. 



2. Rose-slug. 



3. Tent-caterpillar. 



4. Forest Tent caterpillar. 



5. Codling-moth. 



6. The Borers. 



(i) Example: The Round-headed Apple-tree 



Borer. 

 (2) Preventives. 



^.—INJURIOUS FUNGI. 



I. Specific Examples. 



1. Brown Rot. 



2. Black Rot. 



3. Bitter Rot. 



4. Apple Scab. 



II. Fungicides. 



1. Bordeaux Mixture. Dust Bordeaux. 



2. AmmoJiiacal Copper Carbonate. 



C— REFERENCES. 



