xX CONTENTS. 
CHAPTER VIII.—CLASSIFICATION OF THE FORMS OF THE PRINCIPLES PRODUCING 
ALLOGAMIC EVOLUTION. 
‘Tables of Porms) with Brief Explanations! )43-).44:4)seueiien Ae 137-141 
Allogamic, Autogamic, and Agamic Evolution................... na 
Forms of the Four Principles of Segregation............. pian aie Ee 138 
FormsrofSelection Defined 474.08 oe rice ee eee 139 
Conditions Determining Forms of Selection ..................... 140 
Autonomicanditeteronomie Intinences errs rae eee eee 141-144 
Autonomic Influences Include Endonomic and Reflexive.......... I4I 
Autonomic Partition Produces Autonomic Isolation.............. 143 
/ Na Ohanyevorchal ACA bboNOO iso gin en sooesceiadsdoooodsonones BSeerrete 144-145 
CHAPTER [X.—SUMMARY AND CONCLUSION. 
Stmmayercoaess = : gd sds els alae cash «ea eho anshgen Mael cae RTA Cen 147-153 
Segregatiome. 2) ).5).cccieaiere ee, abehauctale/b geese iyenc kere ane cele a eet pa tea 147 
UnbalancecdtiPropagationiers ar meres oie eee 148 
Cumulative Effects through Codperation of Different Principles... . 150 
Through the Operation of Same Principle in Successive Gene- 
FATTOMS |oh diver toktssot even ae eee e Rane aoe eee 150 
PNT geM ATION. 0S aso 9 Siass os co ae Elo ee a eNO CONE ee pcan eer ac eae 151 
Some of the Facts Emphasized in this Volume................... 151 
Goneltsiony es ny A 0 Eos iach 2 nn ea gay ae Rega 153-158 
What has been Gained by Recognition of Habitudinal Segregation . 153 
Methods of Study that Should be Fully Applied ................. 153 
Study of Organisms under Conditions Favoring Segregation. ...... 154 
Prediction Confirmed by Partula of Walitic 2. 7a2) esse 155 
Power of Organism to Control its Relations to Environment In- 
creases with Stage of Evolution Attained..................... 156 
Chief Method of Advance is Tentative Variation with Transmission 
to|Ofispring of Endowments of Sirvivers.. 5502 0c. . e e ete 157 
Three Spheres of Progressive Adjustment—Accommodation, Co- 
Operation ang ANtIeTPAtIOM. 52 ace ye ys opie. ce ety ae ere 158 
Increasing Recognition of Autonomic Factors................... 158 
AppENDIX I.—A SMALL PORTION OF DIVERGENT EVOLUTION. 
{From the Linnean Society’s Journal, Zoology, vol. xx.] 
Reflexive Segregationy.. tai aig) s ida eee a cre en ienea, Oeer ara eae 159-174 
Conjunctional Segregation. 0.770 oan. aoe ee cee eee 159 
Social, Sexual, Germinal, and Floral Segregation ............ 160-163 
Impregnational Segregation... 0. 22H eos cas sr eee 163-171 
Negative and) Positive Seprepatiom.04)..)5 2. S yen te 163 
Dimensional and Structural Segregation.................... 165 
Potential Sezregation: “./).085. setae recientes ee eet 166-170 
Tnstitutional'Sepregation. ¢. 202 oe. eon ae mba eed hae neon eer 171 
Concluding Remarks: 
Impregnational Segregation in Earlier and Later Stages........... 172 
