PEDIGREES AND FAMILY TIES. 



2or 



The pelvis or hip-girdle was distinctly reptilian 

 in type, as also were the ribs of the neck verte- 

 brae, and those along the abdomen. 



Fig. 4. 



A. — A restoration of the extinct bird, archaeopteryx, 



B. — The head of archseopteryx. 



C. — The tail-feathers ranged about the skeleton as in 

 modern birds. Contrast this with the arrangement which 

 obtains in archseopteryx. 



In every other part of the skeleton it was dis- 



