182 THE LAWS OF ORGANIC 



showed symptoms of great uneasiness : " the 

 eye in particular seemed to be much swollen, and 

 became dim and languid? 9 but the eye of the 

 other dog, exposed to warmth, retained its bright- 

 ness to the last.* Whenever the blood is pro- 

 perly, or unusually oxygenated, the expression 

 of the eye is such as he describes ; but when it is 

 deficient in its ordinary qualities, it then becomes 

 swollen, dim, and languid : it is swollen, because 

 its vessels are congested, and dim and languid 

 on account of this condition and the deteriorated 

 properties of the blood. 



In all the rabbits to which I have given opi- 

 um, the eye exhibited the appearances 1 have 

 stated ; and in these the temperature was lessened 

 7 or 8, and the distribution of the blood was 

 shewn to have been unequal by the different ap- 

 pearances observed on dissection. 



CCII. It is remarked by CRAWFORD, that " The 

 cold stage of fevers is preceded by languor, a 

 sense of debility, and a diminution in the action 

 of the heart and arteries. The respiration is 

 small, the pulse is weaker than natural, the 

 quantity of blood which passes through the lungs 

 in a given time is diminished, and hence less 

 phlogiston will be discharged from the Hood, and, 

 consequently, less heat will be separated from the 

 f 



* CRAWFORD, p. 313- t Ibid. p. 394. 



