lit. ' 



'<^'"'^ 





Fig. 1. Diffuse pure mucoid degeneration with a fine lipoidosis 

 in the arteria carotis {Sarcorhamphus gryphus L.). 



K|?jaCv«% 



« . - -* w. 









i-*^ • ^-^' 







■!^^ 





Fig. 2. Diffuse thickening of tlie aorta by infiltration of mucoid 



and fat substances with degeneration of the elastic membranes 



{Balaeniceps rex Gould). 



facing page 110 



