BLOOD. .509 



colouring matter, and probably only a slight amount of salts. ^ 

 Geddings2 observes regarding tlie inhabitants of the morasses 

 of the Carolinas, in Avhom anaemia, or, more correctly speaking, 

 hydriiemia, is developed in a high degree, that the temperature 

 of the body is reduced, that the respiration is short and la- 

 borious, and that the pulse is small, tremulous, and frequent. 

 In the examination of the heart and larger vessels of anaemic 

 persons he found either scarcely any coagulated blood, or else a 

 clear red, or greenish dirty-looking fluid, almost entirely devoid 

 of solid or colouring constituents, containing but few blood-cor- 

 puscles, and Avhich could not be coagulated either by heat or 

 by nitric acid. This watery fluid was frequently present in 

 considerable quantity. 



Carcinoma. 



In a case of cancer of the left lobe of the liver, and of the 

 pylorus, accompanied with atrophy of the spleen, occurring in 

 a man, aged 53 years, the blood contained : 



Analysis 31. 



Scrophulosis . 



In scrofulous affections the blood is deficient in solid consti- 

 tuents, especially in fibrin and in corpuscles. The primary 

 causes are probably due to a deficient formation of chyle, and 

 to the influence of a moist unhealthy atmosphere. 



Dubois^ has analysed the blood of scrofulous persons. The 

 blood coagulates slowly, the clot is small, soft, and diffluent ; the 

 serum is thin, and often of a red colour. When examined under 

 the miscroscope, some of the corpuscles appeared devoid of colour 

 at the edges only, some entirely colourless. Their size was not 

 materially changed, but they appeared flattened, spherical, or 

 cylindrical. Hence we may also infer that there is a deficiency 

 in the quantity of salts in the blood of scrofulous persons. 



' The blood- corpuscles would, however, be dissolved in this case. 

 ^ Baltimore, Med. and Surg. Journal, 1834, No. 4. 

 3 L'Experieuce, 1839, No. 87. 



