THE RABBIT. 



275 



ventral surfaces are the alveoli for the premolar and molar 

 teeth ( 79 and 80) ; the inner and inferior edge of each 

 gives off, opposite the first and second premolar teeth, a 

 horizontal palatine process, which, articulating with its 

 fellow of the opposite side, forms the anterior half of the 

 bony palate. From the outer and posterior region of each a 

 strong process is given off, which turns first outwards and 

 then backwards, its upper edge articulating with the lower 

 edge of the zygomatic process of the squamosal ; in the 

 new-born rabbit this process is a separate bone, the jugal 

 or malar. A little above the first premolar tooth ( 79) is 

 an aperture, the infra-orbital foramen, leading by a 

 canal into the orbit, and transmitting the second division 

 of the fifth nerve ( 358). . 



66. The maxillo-turbinals, two thin scroll-like bones, 

 which occupy the anterior portion of the nasal chamber. 



67. The palatines, thin laminae of bone, which articulate 

 in front with the maxillae, above with the orbital processes 

 of the presphenoid, and behind with the pterygoid and 

 with the pterygoid process of the alisphenoid. From the 

 inner and anterior region of each is given off, opposite 

 the third premolar tooth, a horizontal, inwardly directed 

 palatine process, which, articulating in the middle line 

 with its fellow of the opposite side, and in front with the 

 palatine process of the maxilla, forms the posterior half of 

 the bony palate. 



68. The pterygoid, a small, irregular plate of bone, 

 articulating with the posterior edge of the palatine and with 

 the inner lamina of the pterygoid process of the alisphenoid 

 ( 49) : it ends ventrally in the free, backwardly curved 

 hamular process. 



,69. The lacrymals, two small bones fitted, one on 

 each side, into the anterior wall of the orbit, between the 



T 2 



