A Pig Nematode,Gnathostoma Hispidum, F edchenko , as a Human Parasite

brought to me for identification a small piece of fresh human cutaneous tissue containing a parasite.Unfortunately, the nematode, which I was able to remove easily from the tissue, had been mutilated, apparently during the operation.There still remain, however, enough points of systematic importance to enable me to identify it with certainty as Guathostoma hispidum.Atleast four cases of Guathostoma in man have hitherto been reported, but they are all referred to Guathostoma spinigerum, Owen.This paper presents, therefore, the first case of Guathostoma hispidum in man.Guathostoma hispidum 1s a parasite generally found lodged in the stomach of wild and domesticated pigs, and has been found only once in the fat layer of a cow, in Berlin.In Japan, excluding Formosa, there have come to my knowledge only five cases of the occurrence of this species in the stomach of the domesticated pig, and this is the only species of Guathostoma hitherto found in this