18 



noch beim Ati'eu. Selbst da, wo man das sehr dunkel gefärbte Epithel 

 (mit oder ohne Chromatophorenfiguren) und das von colossaler Menge 

 Pigiuentzellen bis ganz nahe an die Epithelschicht stark besetzte 

 Corium findet, welche Erscheinung an verschiedenen Stellen von vielen 

 Alien beobachtet wird, selbst da steht stets eine dünne, ganz helle 

 Schicht zwischen den beiden Lagen. (Die Sätze gelten auch für das 

 Haarpigment.) 



Die Pignientirung der Ati'enhaut ist zwar nach Familien sehr ver- 

 schieden, aber nach Genus und Species und, im Gegensatz zu der 

 bezüglich der Pigmentirung sehr weit schwankenden Menschenhaut, 

 nach Individuen stark übereinstimmend. 



Straßburg, 10. Februar 1902. 



Nachdruck verboten. 



Oll nutritive Cliaiinels witliiii tlic Liver Cells 

 wbicli commimicate with the lobular Capillaries. 



By E. A. Schäfer, Edinburgh. 



With one Figure. 



The existence of nutritive channels within the liver cells which 

 are in direct communication with the bloodvessels has been inferred 

 by Browicz as the result of a series of observations communicated by 

 him since 1897 to the Academy of Sciences at Cracow and published 

 in the Bulletin international de I'Academie ^). These observations have 

 shown that under both normal and abnormal conditions the liver cells 

 may contain, both within the nucleus and in vacuoles within the cyto- 



Ij Intracellular biliary passages in the liver cells, March 1897. 

 On pathological conditions of the nucleus of the hepatic cell indicating 

 that the nucleus is a secreting organ, April 1897. On the structure 

 of the liver cell, May 1897. How and in what form is ha3moglobin brought 

 to the liver cells? June 1897. On crystallisation phenomena in the 

 liver cells, April 1898. On the intravascular cells in the hepatic ca- 

 pillaries, April 1898. On microscopic appearances in the liver cells 

 after intravenous injection of haemoglobin, November 1898. Intussus- 

 ception of erythrocytes by the liver cell and the appearances of the 

 cells thereby produced, July 1899. Channels of nutrition in the liver 

 cell — with a resume of the author's results since 1897, Julj' 1899. 

 Structure of intraacinous blood capillaries and their relation to the liver 

 cells, May 1900. 



