tfOrganic (or Coincident) selection is determined by accommodation that protects the group from extinction 
till coincident variations have time to arise. 
TABLES OF FORMS. 139 
3. The Forms of Selection Defined. 
j. Reflexive selection, based on relations within the group. 
> #115. Conjunctional selection, *.. codperation of individuals especially °.. the 
co6rdination of instincts and habits with qualities. 
(40) Sexual selection’. codrdination of sexual instincts and qualities. 
(41) Social selection *.. co6rdination of social instincts with qualities. 
*+(42) Filio-parental selection *.’ cobrdination between the powers and char- 
acters of the parents, and the size, number, form, and instincts of the 
young. 
16. Dominational selection’ ." power to outdo, outrun, and overcome others 
of the same group in appropriating needed resources. 
(43) Sustentational domination *.. taking food. 
(44) Protectional domination *.. taking positions affording safety. 
(45) Nudificational domination. taking positions for breeding. 
(46) Mating domination *.. monopolizing mates. 
(47) Prepotential domination ‘." superior potency of pollen. 
*17. Impregnational selection *.. structural and physiological coordinations 
that secure a sufficiency of impregnated germs with least waste. 
(48) Dimensional selection ’.. cobrdination in length of pistils and pollen 
tubes, and in size of other impregnating organs. 
(49) Structural selection’. codrdination of clasping organs, ete. 
(50) Potential selection ‘.* codrdination of the sexual elements. 
(51) Fecundal selection *.. cobrdination in the relative number of the male 
and female elements preventing waste. 
18. Institutional selection *.. suppression of reproduction for (52) Eccle- 
siastical, (53) Military, (54) Sanitary, and (55) Penal reasons; or the 
favoring of certain types. 
t19. Prudential selection’. delay of marriage and prevention of reproduction 
for economic and other personal reasons. 
k, Environal selection *.: relations of the group and the environment. 
20. Endonomic selection, determined by activities in the group. 
(56) Habitudinal selection, determined by acquired habitudes. 
*(57) Aptitudinal selection, determined by innate aptitudes. 
t21. Heteronomic selection, determined by activities in the environment. 
(58) Natural selection, determined by the irrational environment. 
(59) Arttficial selection, determined by the rational environment. 
§/. Regressive selection, as when accommodation preserves those of inferior racial 
endowments. 
Explanation of the signs used in Sections 2 and 3. 
= Equalto. + Combined with. 
*. By means of; produced by; through. 
* Determined by previously attained aptitudes. 
+ Determined by previously attained habitudes. 
*{ Determined by aptitudes and habitudes. 
t Determined by conditions in the present environment. 
§ Determined by one or more of these influences. 
J 
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