124 ADDITIONAL NOTES. 



20 in a man.) When he drew his breath, it 

 was with a jerk ; but his expiration was very 

 slow, generally continuing 5 seconds. I often 

 could not distinguish the pulse ; at other times 

 it was manifest, although very faint and slow, 

 not more than 60 in a minute. On tying up 

 the arm the vein did not rise in the least, so 

 that the blood did not go its round. His eyes 

 were turned up under the upper eyelid, while 

 his body had a purple cast, especially the lips, 

 which is easily accounted for, it being owing to 

 the blood not getting the scarlet red in its pas- 

 sage through the lungs, and that whatever it 

 might get there was lost in its slow motion 

 through the arteries of the body. He had a fine 

 warmth on the skin all over the body, although 

 in a room without a fire, not covered with more 

 clothes than common in the month of February, 

 with snow falling at noon." 



" Here it cannot be said that the heat of the 

 body, which was neither great nor deficient, 

 could arise from the constant supply furnished by 

 respiration." 



But here two questions will present them- 

 selves. If it be not from respiration, from 

 what source is the higher temperature of warm- 

 blooded animals derived ? and where respiration 

 is carried on without maintaining the vital tem- 

 perature, what becomes of the heat, which under 

 other circumstances is the result of the union of 



