ETIOLOGY OF BERIBERI. 



367 



apex. There is no complaint of pain in the legs, and the calves 

 are not tender on being pressed. No areas of anaesthesia of the 

 skin can be discovered. There is some (jedema of the legs. The 

 knee jerks are exaggerated. The urine contains no albumin 

 nor casts. The patient gained 2.2 kilograms (5 pounds) in 

 weight from the sixty-first to the eighty-ninth days of the ex- 

 periment, when he had reached his original weight. Thirteen 

 days after resuming the ordinary prison ration he had again lost 

 5.5 pounds. 





DAYS OF DIET 

 II 19 35 48 61 68 78 69 



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CASE NO. 24 (GROUP IV). 



Diet: White rice 92 days, together with the ] Total period of experi- 



special diet common to all the groups. J ment, 92 days. 



Dried codfish and potatoes were added to the diet on the 81st day. 



The following is a summary of the notes of the case : Fairly 

 well-nourished man ; percussion of the lungs shows no abnormal 

 dulness; the respiratory sounds are normal; examination of 

 the heart shows no increase in the area of dulness beyond the 

 normal; the point of maximum impulse is visible and palpable 

 8 centimeters to the left of the median and 3 centimeters below 

 the nipple line ; the heart occasionally intermits a beat ; the first 

 sound at the apex is roughened ; the second aortic sound is 



113146 7 



