1904.] 



SKULL OF THE GIRAFFE. 



15^ 



advance of the cheek-teeth, and the view obtained is shown in 

 text-fig. 5 (p. 152). The whole of the bony envelope is formed by 

 the two nasals, which meet in the middle line above, and the 

 maxillje, which meet one another below. The maxillo-turbinals 

 are cut through, and the front part of the vomer is also included 

 in the section. 



The section shown in text-fig. 6 (p. 1 52) is taken through the pre- 

 lachrymal vacuity or fossa, as shown by line 2 in text-fig. 4 (p. 151), 

 and passes between the fii'st and second molar teeth of each side. 

 The vacuities in tlie nasal bones are large, and the two nasal bones 



Text-fig. 7. 



dual 

 irn 



Pronb. 

 inc. 



~'~ liitfaL 



3"^ rnolrt/- 



pt-erjg. -palat. 



Outline sketch of the view, looking forwards, of the skull cut through the median 

 horn and through the middle of the orbit, as shown by the line 3 in text-fig. 4. 

 One-third (linear) of the natural size. 



are in extensive contact in the median plane of the head, so that 

 the sagittal suture is of considerable vertical height ; the sutures 

 between the nasals and the frontals are equally extensive. The 

 extreme anterior ends of the frontal vacuities are inckided in the 

 section. The maxiUary sinuses in the dried skull open laterally 



