xx CONTENTS 



PAGE 



Materio-Dynamic Parallelism, or Organic Co-Evolution 

 and -Involution of Tissue, Organ, and Function, as 

 a Normal Mode of Development, or Growth and 

 Decay - - 473 



The Physiological Process known as "Ageing," or 



Involution - - 481 



Body Temperature - 491 



Sleep - 498 



The Blood What is it ? and what does it do ? - - 505 



Respiration, Pulmonary and Cephalic - - 510 



Respiration, and Atmospheric Air - 516 



The Osseous Coverings of the Central Nervous 



System - - 521 



The Meningeal Coverings of the Brain and Spinal 



Cord - - 523 



Circulation of the Blood within the Head - - 527 



" Pneumatic Spaces " of the Head and Face, and the 



Olfactory Nerves and Mucosa - - 5 30 



Lachrymal Glands - 534 



Roof and Floor of the Mouth, and the Tongue - 5 36 



The Tongue, and what it indicates to the Clinician - 542 



On the Perineal Raphe in the Male - 547 



On the Phenomenon of Ciliary Movement in the Cir- 

 culation of Cerebro-Spinal Lymph, and of Air and 

 Material Particles in the Lungs - - 55 1 



On some of the Salient Points and Departures from 

 Accepted Teaching involved in the foregoing Views: 

 Circulation -------- 555 



