BOSTON 



JOURNAL OF NATURAL HISTORY. 



Vol. IV. 



JANUARY, 1844. 



No. 4. 



Akt. XXX. — observatioxs on the external characters 



AND HABITS OF THE TROGLODYTES NIGER, Geoff. By Thomas 

 S. Savage, M. D., Corresponding Member of the Boston Society of 

 Natural History — AND ON ITS ORGANIZATION, by Jeffries Wy- 



MAN, M. D. 



(Continued from page 376.) 



From the following table of measurements it will be found 

 that the proportions are almost precisely the same as in that 

 given by Professor Owen. 



Breadth of pelvis from one anterior spine of ilium to the other, 

 Breadth of ilium, ..... 

 Length of OS innominatum, .... 



Antero-posterior diameter, .... 

 Transverse diameter, ..... 

 Length of symphysis pubis from above downwards, 

 Longest diameter of obturator foramen. 

 From anterior-superior spine of ilium to acetabulum. 

 Outside of one tuber ischii to that of the other. 

 Anterior-superior spine of ilium to symphysis, 



Extremities. As regards the osteology of the superior and 

 inferior extremities, their conformation corresponds so well 

 with the descriptions given by Professor Owen, that no farther 

 remarks seem necessary, except that the present specimen con- 

 firms his observations with regard to the existence of a depres- 

 sion for the insertion of the ligamentum teres into the head of 

 the femur, a conformation which affords us a sure means of 



41 



