206 MAMMALIA (THE RABBIT) 



5. The Tail. 



(1) Shape? 



(2) Length? 



(3) Why so short? 



(4) Color? 



(a) Dorsally? 



(b) Ventrally? 



(c) Why this difference in color? 



6. The Limbs. 



(1) The Anterior Limbs. 



(a) Length? 



(b) Number of digits? 



(c) Length of each digit? 



(d) How many are clawed? Why clawed? 



(e) Are the feet padded with hair or naked? Why? 



(2) The Posterior Limbs. 



(a, b, c, d, e) Same questions as for anterior limbs. 



(f) How much longer are they than the anterior limbs? 



Why so much longer? 



(3) Locomotion. 



(a) Is the rabbit digitigrade or plantigrade? Which 



are you? 



(b) Indicate the way a rabbit makes tracks when running. 



(c) How great a distance, in feet, will, the rabbit jump 



when running? How man}' feet high will it jump? 



(d) Did you ever see a rabbit walk? Swim? Climb? 



7. The Skin. Remove the skin from the limbs. About the 



quickest way is to make a slit in the skin around the 

 center of the body and to have two persons pull the 

 skin both ways at once. 



(1) Is the skin thick or thin? 



(2) Use to the animal? To man? 



8. The Muscles or lean meat. 



(1) Determine the origin, insertion, and use of ten muscles. 



Consult human physiology. Use of so much muscle? 



(2) Demonstrate the workings of the muscles in the poste- 



rior foot. 



