RABBIT. 



I. External Characters. 



1. The body consisting of : 

 (a) The head with : 



(act) The mouth ; note the character of 



the lips. 

 (bb) The nostrils ; note their relation to 



the upper lip. 



(cc) The vibrissse, or whiskers. 

 (del) The ears, with elongated pinnae. 

 (6) The neck, short and thick. 



(c) The trunk', made up of : 



(aa) The thorax, the anterior part, pro- 

 tected by bony structures. 

 (bb) The abdomen, the posterior part, 

 with soft walls. Its openings are : 

 (aaa) The urino-genital opening in 

 the median line, lying near : 

 (bbb] The anus, also in the median 

 line, posterior to the urino- 

 genital opening. 



Note in the female the mammae or teats, four 

 or five pairs on each side, near the ventral 

 median line. 



In the male, slightly anterior to and at the 

 sides of the reproductive opening, the 

 scrotal sacs. 



(d) The tail. 



2. The fore and hind limbs. 



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