QUESTIONS. 291 



salt 436 applied? 766. What is the disease called smut? 767. How 

 does it affect the grain ? 768. On what soils is smut most common ? 

 769. How may its presence in wheat be known ? 770. What are the 

 remedies ? 771. How may the seed be prepared ? 772. What is the 

 disease called canker ? 773. What is this disease caused by ? 774. 

 What is its peculiarity ? 775. How is it propagated ? 776. What is 

 the condition of the diseased grain at the time of ripening ? 777. How 

 does it appear in threshing ? 778. How may it be guarded against? 

 779. How may awash be prepared for the seed ? 780. What is blight ? 

 781. What is ergot? 782. What is it caused by ? 783. Where does 

 it prevail ? 784. What is the remedy ? 785. How are trees often 

 injured? 786. When may fruit trees be pruned? 787. How should 

 wounds on trees be treated ? 788. What are some of the mos injurious 

 insects ? 789. What are cut worms ? 790. How may they be 

 destroyed ? 791. What other insects destroy them ? 792. What is 

 said of ground beetles ? 793. What of ichneumon flies ? 794. How 

 may the apple-tree caterpillar be guarded against ? When are the eggs 

 laid and how do they appear ? 795. How may trees be protected from 

 the canker worm ? 796. What about the codling moth ? Remedy ? 

 797. What does the curculio attack ? How may the bitten fruit be 

 known ? What prevention is named ? 798. What of the apple-tree 

 borer ? How does it enter the tree ? 799. When are the eggs hatched ? 

 How is it checked ? 800. What are the remedies ? 801. What does 

 the striped beetle attack ? How may its ravages be prevented ? 802. 

 How may squash bugs be destroyed ? 803. What of the onion maggot ? 

 804. Of the wheat midge ? 805. The dor bug ? 806. Of the locust- 

 tree borer? How is it destroyed ? 807. Of the rose bug ? 808. How 

 may the spring beetle be recognized ? Of what is it the parent ? 809 

 What of the striped potato beetle ? Remedy ? 810. The oak pruner ? 

 How prevented? 811. Of the mealworm? 812. Of scale insects on 

 the bark? Remedy? 813. Of the chinch bug? How destroyed? 

 814. The army worm ? Its enemies ? How checked ? Their history ? 

 815. What of plant lice ? On wheat ? 



CHAPTER XXIV. 816. Of what does the stock of the farm consist? 

 817. Objects of keeping horned cattle ? 818. How divided ? 819. 

 How many distinct breeds in this country ? 820. Their qualities ? 

 821. Of the Ayrshires ? Why kept? Their milk? 822. Of the Jer 

 seys ? 823. What of the Short-horns ? 824. Where did they origi 

 nate ? 325. What of the Devons ? 826. Of the Herefords ? 827. 

 What of the common stock ? 828. Why should only good stock be 

 kept on the farm ? 829. On what does success depend ? 830. Nutri- 



