288 AGRICULTURE. 



IX. Study on Spraying. 



X. Natural Enemies. 



1. The Birds. 



2. Predaceous Insects. 



(1) 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. 



(1) 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. Ammoniacal Copper Carbonate. 



C. REFERENCES. 



