| XV. | —Hypothetical Sketch of the Monophyletic Origin of Man | Frontispiece |
| IV. | —Hand of Nine different Mammals | To face page [34] |
| V. | —Single-Stemmed,or Monophyletic, Pedigree of the Vegetable Kingdom | ” [112] |
| VI. | —Historical Growth of the Six Great Stems of Animals | ” [122] |
| VII. | —Animal Plants, or Zoophytes | ” [140] |
| VIII. | —Star Fishes—First Generation | 
| | Between pp. [170], [171] |
| IX. | —Star Fishes—Second Generation |
| X. | —Naplius-Youth-Form of Six Crab Fish |
| | ” [174], [175] |
| XI. | —Adult-Form of the same Six Crab Fish |
| XII. | —Ascidia and Amphioxus |
| | ” [201], [202] |
| XIII. | —Ascidia and Amphioxus |
| XIV. | —Single, or Monophyletic, Pedigree of Back-bonedAnimals | To face page [222] |