272 UNCONSCIOUS NERVOUS OPERATIONS 



upon the skin after a drink of wine or spirits is due in 

 part to an increase of heat in the body, but also to the 

 paralyzing effect of the alcohol upon the capillary walls, 

 allowing them to dilate, and so permitting more of the 

 warm blood of the interior of the body to reach the sur- 

 face. There it is cooled by radiation, and the general tem- 

 perature is lowered. 



