MUTUAL AFFINITIES OF ORGANIC BEINGS: MORPHO
EMBRYOLOGY: RUDIMENTARY ORGANS.
CLASSIFICATION, groups subordinate to groups-Natural
Rules and difficulties in classification, explained on
of descent with modification-Classification of
Descent always used in classification-Analogical o
characters-Affinities, general, complex, and radiat
tinction separates and defines groups-MORPHOLOGY
members of the same class, between parts of
individual-EMBRYOLOGY, laws of, explained by vari
supervening at any early age, and being inheri
corresponding age-RUDIMENTARY ORGANS; their
plained-Summary
RECAPITULATION AND CONCLUSION.
Recapitulation of the objections to the theory of Natural
-Recapitulation of the general and special circums
its favour-Causes of the general belief in the immut
species-How far the theory of Natural Selection
extended-Effects of its adeption on the study of
History-Concluding remarks