CONTENTS OF VOL. II. 



PART IV. MORPHOLOGICAL DEVELOPMENT. 



CHAP. PAGE 



I. THE PROBLEMS OF MORPHOLOGY 3 



II. THE MORPHOLOGICAL COMPOSITION OF PLANTS . . .17 



III. THE MORPHOLOGICAL COMPOSITION OF PLANTS Continued . 87 



IV. THE MORPHOLOGICAL COMPOSITION OF ANIMALS . . .85 



V. THE MORPHOLOGICAL COMPOSITION OF ANIMALS Continued 111 

 VI. MORPHOLOGICAL DIFFERENTIATION IN PLANTS . . . 128 



VII. THE GENERAL SHAPES OF PLANTS 134 



VIII. THE SHAPES OF BRANCHES 145 



IX. THE SHAPES OF LEAVES 152 



X. THE SHAPES OF FLOWERS 161 



XI. THE SHAPES OF VEGETAL CELLS 175 



XII. CHANGES OF SHAPE OTHERWISE CAUSED . . . .178 

 XIII. MORPHOLOGICAL DIFFERENTIATION IN ANIMALS . . . 183 



XIV. THE GENERAL SHAPES OF ANIMALS 186 



XV. THE SHAPES OF VERTEBRATE SKELETONS .... 200 



XVI. THE SHAPES OF ANIMAL-CELLS 228 



XVII. SUMMARY OF MORPHOLOGICAL DEVELOPMENT . , 231 



PART V. PHYSIOLOGICAL DEVELOPMENT. 



I. THE PROBLEMS OF PHYSIOLOGY 239 



II. DIFFERENTIATIONS BETWEEN THE OUTER AND INNER TIS 

 SUES OF PLANTS 244 



III. DIFFERENTIATIONS AMONG THE OUTER TISSUES OF PLANTS . 251 

 IV. DIFFERENTIATIONS AMONG THE INNER TISSUES OF PLANTS . 272 



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