326 



11) Peter, K., Der Einfluß der Entwickeluugsbedingungen auf die Bil- 

 dung des Zentralnervensystems und der Sinnesorgane bei den ver- 

 schiedenen Wirbeltierklassen. Anat. Anz., Bd. 19, 1901. 



12) Rabl, C, Ueber den Bau und die Entwickelung der Linse. L Teil. 

 Zeitschr. f. wiss. Zoologie, Bd. 63, 1898. 



13) Spbmann, H., Ueber Korrelationen in der Entwickelung des Auges. 

 Verhandl. d. anatom. Ges., Bonn 1901, 



Nachdruck verboten. 



On the Relations of the Serenth and Eighth Ribs to the Sternum 



in Man. 



By J. DUNLOP LiCKLEY, M.B,, 



Senior Demonstrator of Anatomy, the Owens College, Manchester. 



The following observations on this subject have been made chiefly 

 on material obtained in the dissecting room of University College, 

 Dundee, supplemented by a large number of fresh specimens o])tained 

 through the kindness of Prof. Sutherland from the post-mortem room 

 of the Dundee Royal Infirmary. 



In all 51 adult sterna were available for examination. The at- 

 tachment of the ribs to the sternum in these was found to be as follows 



51 



51 



A considerable amount of attention has already been given to the oc- 

 casional presence of an 8th true rib in man. The results obtained 

 by recent authors may be tabulated for comparison: 



