Report of first expedition to South America, 1913 . bout them, and often accompanied by precipitated pigment. In themarkedly changed tissue there were also found small recent hemorrhages and a richinfiltration of leukocytes. The endothehal cells were swollen or desquamated, andsome of them assumed the function of phagocytes. De Vecchi beheved that theinclusions of protoplasm in the fiver cells were to be regarded in all probability asthe remains of nuclei from leukocytes, and that they were to be explained throughthe phagocytic function taken over by the fiver ceUs as occurs in the severe dege
Report of first expedition to South America, 1913 . bout them, and often accompanied by precipitated pigment. In themarkedly changed tissue there were also found small recent hemorrhages and a richinfiltration of leukocytes. The endothehal cells were swollen or desquamated, andsome of them assumed the function of phagocytes. De Vecchi beheved that theinclusions of protoplasm in the fiver cells were to be regarded in all probability asthe remains of nuclei from leukocytes, and that they were to be explained throughthe phagocytic function taken over by the fiver ceUs as occurs in the severe degen-erative lesions of the liver, and particularly in acute yellow atrophy. The tissues upon which these descriptions of De Vecchi arebased, however, were sent to him from Peru, and he had beeninformed that the patient from which they came had died ofsevere Carrions fever. It also was stated that no verrugasof the skin or internal organs were observed at the necropsy, 1 De Vecchi: Beiheft 4, Arch. f. Schiffs- u. Tropenhyg., Leipz., 1909, xiii-,
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