38 NATURE-STUDY LESSONS. 



(c) When she has laid an egg. 



(d) When she is disturbed on her nest. 



(e) When a cat or dog is interfering with her 



chickens. 



24. Imitate the various sounds made by the hen. 



E. The Nest. 



25. Observe a hen's nest ; notice where it is built, the 

 material of which it is made, the use to which it is put. 



L. The Egg. 



26. (a) Observe the shape and size of hen's eggs. 

 {i>) Draw an egg. 



(c) From noticing their position in a nest infer the 



advantage of the eggs being oval. 



(d) Carefully remove the shell from a part of the 



egg and observe the number of linings. 



(e) Note the contents and their position. 



,je white part of the egg is the albumen. The yellow part is the yolk. 



27. («) Observe a small white spot on the upper side 



of the yolk and by examining eggs which 

 have been set under the hen for various 

 times note the change in this white spot 

 as the hatching goes on. 

 (J)) Infer what it is. 



28. (fl) When the chick breaks out of the shell, com- 



pare its covering with that of the hen. 

 (Jb) Observe how the mother-hen feeds it and how 

 she defends it. 

 M. The Uses. 



29. State the uses of the hen to man : 

 {a) When alive. 



\b) When dead. 



