10 



ETON NATURE-STUDY 



(3) Look at an egg with a pocket lens, make a sketch of it and 

 give a few words of description. 



ALTERNATIVE SUBJECT FOR PART II A CORM 

 PREPARATIONS FOR WORK 



If frog's spawn cannot be obtained, distribute a 

 number of crocus plants in flower which have been 

 carefully dug up and from the roots of which the soil 

 has been washed away. 



DIRECTIONS TO THE PUPIL 

 (2a) Make a sketch showing all the parts 

 of the crocus plant that you can see, and 

 label them. 



(3a) Answer the following questions : 

 i. From whence do the roots spring ? 

 ii. Is the corm of a crocus more like the 



hyacinth bulb or the potato tuber ? 

 iii. Where is the young pod which will 

 contain the seeds of the crocus ? 

 Show this by means of a sketch of a 

 perfect flower. 



PART III A HEN'S EGG 

 PREPARATIONS FOR WORK 



New laid eggs will be required, one for each pupil. 



DIRECTIONS TO THE PUPIL Photograph by Wilfred Mark 



(4) Carefully crack a little piece of the FIGUHK 146. A Crocus. 

 hen's egg on the upper surface as it lies on 



the table, and pick off the shell. Describe what lies beneath. 



(5) Remove the skins of the egg. Say how many there are, and 

 sketch what you see below. 



