CONTENTS Xlll 



Page 



36. The surface tension hypothesis of Van den Honert 202 



37. Schumacher's observations on the transport of fluorescein . . 204 



38. Relations between the transport of viruses and hormones and 



that of foods 210 



39. The necessity of Uving cells 220 



Summary 228 



CHAPTER VII 



Possible Relations between Solute Distrebtjtion and Behavior 235 



40. Relations between solute distribution and amount of growth 235 



41. Relation between solute distribution and regeneration .... 236 



42. Relation between solute distribution and dominance 239 



Summary 251 



Bibliography 253 



Index 265 



