CHAPTEE III. 



ORGANIC STABILITY. 



Incipient Structure. — Filial relation. — Stable Forms. — Subordinate posi- 

 tions of Stability. — Model. — Stability of Sports. — Infertility of mixed 

 Types. — Evolution not by minute steps only. 



Incipient Structure. — The total heritage of each man 

 must include a greater variety of material than was 

 utilised in forming his personal structure. The existence 

 in some latent form of an unused portion is proved by 

 his power, already alluded to, of transmitting ancestral 

 characters that he did not personally exhibit. There- 

 fore the organised structure of each individual should be 

 viewed as the fulfilment of only one out of an indefinite 

 number of mutually exclusive possibilities. His struc- 

 ture is the coherent and more or less stable development 

 of what is no more than an imperfect sample of a large 

 variety of elements. 



The precise conditions under which each several 

 element or particle (whatever may be its nature) finds 

 its way into the sample are, it is needless to repeat, 

 unknown, but we may provisionally classify them under 

 one or other of the following three categories, as they 



