RECENT DISCOVERIES IN HEREDITY. 



199 



inherited as a Menclelian recessive character. Many other illustrations 

 might be given, but these will, perhaps, suffice to show that Menclelian 



Fig. 8. A. Short-haired, Smooth, Pigmented Guinea-pig, illustrating the result of mating 

 two animals like those shown in Figs. 5 and 7 respectively. 



Fig. 9. A Short-haired, Smooth, Albino Guinea-pig. 



or alternative inheritance is neither a rare nor an exceptional phenom- 

 enon, and that it applies to the inheritance not only of characters purely 

 structural, but also to those which are physiological. 



