42 



ETON NATURE-STUDY 



DIRECTIONS TO THE PUPIL 



(3) Carefully examine the animal, in connection with the headings 

 given below in the left hand column. 



Record : Make : Leave : 



The general colour Sketches of A space for a 



The general shape the front water-colour 



The number of legs and back drawing 



views of 

 the crab 



(4) Answer the following questions : 



Are there eyes ? Fill in and label the details as 



Where is the mouth ? you go on, in your drawings 



Is there a " tail " ? above, and if necessary make 



enlarged pictures of special 



parts 



(5) Describe six peculiarities of structure that you notice. 



(d) 



From a photograph by Wilfred Mark Webb. 

 FIGURE 41. The under-side of an ordinary 

 edible crab (female). 



Fill in and label 

 the details as 

 you go on in 

 your draw- 

 ings above, 

 and if neces- 

 sary make 

 enlarged pic- 

 t u r e s of 

 special parts 



(6) Give an account of the way in which a crab walks, and describe 

 any other movements which it makes 



