OBSERVATIONAL LESSON III. 33 



ten minutes before the lesson, so that there is one specimen for every two or three 

 pupils. 



The anemones may be restored to the aquarium after the lesson. 



DIRECTIONS FOR WORK 



(1) As in the case of the plum, note clown the size, shape (when 

 expanded), and the colour of the anemone, and on the right hand 

 page make an outline drawing, leaving a space for a more detailed 

 sketch. 



FIGURE 37. A Sea Anemone expanded. FIGURE 38. A Sea Anemone contracted. 



(2) Count the number of tentacles and see if you can find whether 

 they are arranged according to any definite plan, recording the results 

 of your observations as before. 



(3) Count the number of apertures in the body. 



(4) Touch the anemone and sketch the altered shape of the animal. 

 What else do you notice about it ? 



c 



