. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . e two were con-nected at an earlier date. No. 307. Ovum, 40 mm. in diameter; embryo, 20 mm. long. Dr. Coe, New York. The chorion and villi are imbedded in an hemorrhagic mass,and the latter do not appear normal; they are often surroundedby small clumps of leucocytes, which invade the mesodermof the villi. The embryo was said to have been a beautifulnormal one, but it had been harshly treated and practicallyruined before it came to me. Sections of the embryo show
. A study of the causes underlying the origin of human monsters : third contribution to the study of the pathology of human embryos . e two were con-nected at an earlier date. No. 307. Ovum, 40 mm. in diameter; embryo, 20 mm. long. Dr. Coe, New York. The chorion and villi are imbedded in an hemorrhagic mass,and the latter do not appear normal; they are often surroundedby small clumps of leucocytes, which invade the mesodermof the villi. The embryo was said to have been a beautifulnormal one, but it had been harshly treated and practicallyruined before it came to me. Sections of the embryo showthat the tissues are macerated and distorted and probablynormal. No. 308. Foetus, C. R., 84 mm. Dr. Ballard, Baltimore. Without any previous bleeding, on -February 28, 1905,the foetus as you have it was passed suddenly, accompanied bythe usual amount of hemorrhage. Probably one-half of theplacenta was retained, and was removed by is regular in menstruation, and previous to miscar-riage menstruated November 19, 1904. She has one boywho will be thirteen months old May 10, 1905, and another 296 MALL. [Vol. Fig. 308.—Photograph of the foetus, showing the cord wrapped aroundits arms, with a mass of granular magma in the amniotic size. No. i.] ORIGIN OF HUMAN MONSTERS. 297 son sixteen months older; no other children nor miscar-riages. [The woman aborted again on November 27, 1905 (speci-men No. 325), and the ovum proved to be decidedly path-ological. On December 31, 1906, after being pregnant forfive months, she was taken with penumonia and aborted onJanuary 4. The placenta was strongly adherent and wasremoved with difficulty. She died January 7, 1907. Appar-ently this fcetus was normal, but it was not sent to the labora-tory. ] After the abortion Dr. Ballard found that the woman hadan interstitial fibroid, somewhat diffuse in shape, in the anterioruterine wall. During some years she had some is no reason to suspect that her
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