SKELETON OF AETIODACTYLA. 4g3 



dorsal, 7 lumbar, 4 sacral, 10 caudal, the latter being subject to 

 variety. Tlie pleurapophysial parts of the transverte processes 

 of the third, fourth, and fifth cervicals underlap the diapophysial 

 parts of those m advance: the pleurapophysis of the sixth cervical 

 is an oblong quadrate plate; the seventh is imperforate, as in 

 Rumniants generally. The neural spines increase in height from 

 the tlnrd to the seventh cervical, and are suddenly and'' greatly 



surpassed in height by those of the anterior dorsals. The meta- 

 pophysis is developed on the second and succeeding dorsals; 

 attams the anterior zygapophysis in the eleventh ; and projects 

 from that part in all the lumbar vertebra. The last pair of ribs 

 are joined by the head, only, to tlie vertebra : the seven anterior 

 pau's directly join the sternum, which consists of six bones. 



The Giraffe is, in some respects, intermediate between the 



