XX CONTENTS. 
PAGE 
Crass V. Tissues generated from cells, the walls and cayities of which coalesce 
together : ; : : : . 129 
1. Muscle : : : : : ; 30 
2. Nerves : : : ; ea 
3. Capillary yeeele : 5 4 j . 154 
SECTION III. 
Review of the previous researches—The formative process of Cells—The 
Cell-theory 7 E : é : . 26 
Survey of Cell-life : : 5 : : . 168 
Theory of the cells . : : : : : +, 86 
Supplement (vide page 46) on the signification of the germinal membrane . 217 
Remarks upon a statement put forth by Professor Valentin, respecting pre- 
vious researches on the subject of this work A = ene 
Explanation of the Plates : ? s : 5 . 225 
CONTRIBUTIONS TO PHYTOGENESIS, EI Dr. M. J. ScHLEIDEN - 229 
Description of Plates to do. : : 5 + 0260 
