DEGENERATION, 279 
The Sacculina is the type of race degeneration among 
animals and plants, When the stimulus to individual 
activity is lowered and the conditions of 
Animal pauper- environment are such that destruction 
ism homologous does not follow reduced activity, we 
with human ‘ cs 
pauperism. have continuous degeneration. This is 
the condition of animal pauperism. The 
same general laws hold good among men. Inactivity and 
\ 
Fic. 19.—Sacculina after leaving the egg. (After Lang.) 
dependence, protection in idleness, bring about deterio- 
ration and end in weakness, incapacity, and extinction. 
