132 LABORATORY LESSONS IN GENERAL SCIENCE 



15. What is peculiar about a horse's foot, and by 

 what name is it called? Why do we have iron shoes 

 on the feet of a horse (a) in winter; (6) in summer? 

 What harm results from keeping the same shoes on too 

 long? To what part of our foot does the horse's hoof 

 correspond ? 



16. Show in a sketch of the hind leg of the horse where 

 the joints 1 are that correspond (a) to our ankle; (6) to our 

 knee ; (c) to our hip. 



17. On what parts of the body of the horse is the hair of 

 unusual length, and what are the names given these different 

 long growths ? Of what use to the horse is the tail ? What 

 care should be given the hair and skin of the horse ? What 

 changes have you noted in the hair of the horse at different 

 seasons ? 



COWS AND THE DAIRY INDUSTRY 



1. Name several considerations that enter into the mar- 

 ket value of a cow for dairy use. About what is the present 

 value in your community (a) of common " grade" cows; 

 (6) of "full-blooded" stock? 



2. How in general does care of the cow compare with 

 that of the horse in matters of food, drink, shelter, and 

 kind treatment ? 



3. In what respects is the foot of the cow unlike that 

 of the horse? What is a noticeable difference in their 

 tails? 



1 Notice horses from time to time till you can locate the place of each such 

 joint. Note the places of the corresponding joints in the foreleg. 



