550 Preston Kyes, The Physiological Destruction of Erythrocytes in Birds. 



destruction in the corresponding cells of the reptiles, amphibia and 

 mammals. 



It would appear therefore that the application of a trustworthy 

 differential histological method, shows that the liver and spleen, of 

 many species at least, do contain specialized endothelial cells which 

 have as a normal physiological function the destruction of red blood- 

 corpuscles with a liberation of the contained iron. 



Literaturverzeichnis. 



1. Löwit, M., Beiträge zur Lehre von Ikterus. Beiträge für pathol. Anat. Bd. IV, 



S. 225. 



2. v. Kupffer, C, Über Sternzellen der Leber. Ver. d. Anat. Ges. 12. Vers, in 



Kiel. S. 80-86, 1898. 



3. — , Über die sogenannten Sternzellen der Säugetierleben. Arch. f. mikr. 



Anat. Bd. 54, H. 2, S. 254—288, 1899. 



4. Howell, W. H. Text-book of Physiology, Philadelphia and London, 1913, p. 430. 



5. Metchnikoff, É., L'humunité, Paris 1901, p. 80. 



6. Evans, H. M., Anatomical Record. Vol. 8, No. 2, 1904, p. 98. 



