CONTENTS, 



SERIES I. ABNORMAL CONDITIONS IN PLANTS. 



No. of 

 Preparations. 



CLASS I. VARIATION. 12 



CLASS II. DUPLICITY. ^ * 



Subclass I. Dichotomy 3 4 



Subclass II. Homologous union. 



a. Union of stems 5 oa 



b. Union of fruit 6 14 



c. Union of seeds 15 



d. Union of embryos 16 17 



SERIES II. ABNORMAL CONDITIONS AFFECTING 

 THE AXIS IN ANIMALS. 



CLASS I. VARIATION. 



a. Situs mutatus 18 19 



CLASS II. DUPLICITY. 



Subseries I. IN INVERTEBRATES. 



Subclass I. Dichotomy 20 



Subseries II. IN FISHES. 



Subclass II. Homologous union 21 22 



Subseries III. IN AMPHIBIA. 



Subclass IY. Heterologous union 23 



Subseries IV. IN REPTILES. 

 Subclass I. Dichotomy. 



A. Anterior Dichotomy 24 27 



B. Posterior Dichotomy ' . . . 28 



Subseries V. IN BIRDS. 



Subclass I. Dichotomy. 



A. Anterior Dichotomy 2932 



B. Posterior Dichotomy 3341 



Subclass II. Homologous union. 



a. Pleuropagus 42 44 



b. Hypogastrodidymus 45 46 



