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By Neub.'Vuer and Fischer. 5- Return Cases' in Diphtheria, By 50 Mg Viagra How Long Does It Last Soerexsen. (>. Simultaneous Scarlet Fever and Typhoid Fever, By Meissner. 7. Lipogenous Diabetes. By KiscH. 8. The Cause of the Incarceration in Retroflexion of the Gravid L'terus, By Cr.vmer. 9. Experiences with Salvarsan, By Isa.\c. 10. The Behavior of the Heart in Congenital' Funnel Breast, By Groeuei.. 11. The Use of Mastic Dressing and the Haemostatic For- ceps of Blunk. By 50 Mg Viagra How Long Does It Last Thomschke. 12. Contribution to the Treatment of Wounds with "Mas- tic Oil" (v. Oettingen), By Voos. 13. Thyreotoxic Symptoms and Their Treatment with \n- tithyreoidin, By Laser. 14. Obstetrics in Municli for a Hundred Years, By MiTTEI.ACHKK. I. Experimental Syphilis. — Hoffmann finds that slight secondary syphilides may be produced occasionally in the lower monkeys after cutaneous inoculation. Characteristic general syphilides of papular, pustular, and varioloid appearance appear in the lower monkeys t2 to 13 weeks after inocula- tion in the testicles. Even when only local symptoms are produced syphilis is not to be looked upon as a localized disease in monkeys and rabbits any more than in 50 Mg Viagra How Long Does It Last man. The general symptoms, which rarely ap|)car, and the transmissibility of the dis- ease Iw the interna! organs of monkeys and rabbits indicate that probably the spiroch.-etas of syphilis spread everywhere in the organism. The assertion of L'hlenhuth that rabbits are more sensitive to syphilis than the lower monkeys is not justified ; on the contrary, the lower monkeys seem to be better fitted for inoculations of virus coming from man, even when it has been impaired by treatment with salvarsan or mercury, h'requently in inoculations of the eye a circumscribed tumor like syphiloma devel- oped from a keratitis which began in the central or peripheral parts of the cornea. The tumor was situ- ated in the substance of the cornea, was yellowish gray in color, and resembled somewhat a gumma. The primary syphiloma of the cornea is |)articularly well suited for exact histological study. They ex- hibit, in spite of the comparatively simple structure of the cornea, an extremely varying structure, which tisually corresponds to that of 50 Mg Viagra How Long Does It Last the human 848 PITH OF CURRENT LITERATURE. chancre, but sometimes resembles the picture of tuberculosis through the presence of nodules that resemble tubercles. In the infiltrate, which chiefly contains plasma cells, there are newly formed lym- ])hatic vessels densely filled with lymphocytes and l)lasma cells, together with numerous newly formed blood capillaries and their sprouts. These corneal diseases are not like the metastatic forms of kera- titis in man, but are primary corneal syphilomata. 2. Anaphylaxis and Lymph Formation. — Cal- vary says that in dogs a reinjection of horse serum two weeks after the first injection is followed by a great increase of the quantity of lymph. At the same time the lymph becomes incoagulable. The first injection of a foreign serum, as well as the reinjection of a heterologous serum, has no influ- ence on the formation of lymph. Barium chloride and calcium chloride arc ineffective against this symptom. 3. Serum Diagnosis of Trichinosis. — Stroebel asserts that it is possible in at least a part of the cases to diagnosticate trichinosis by the complement fixation method. The active antibodies have not ap- peared at the end of fourteen days, but at the end of ten weeks they are distinctly demonstrable. 5. Return Cases of Diphtheria. — Soerensen finds that return cases of diptheria are much more rare than return cases of scarlet fever and follow a much more benign course, so benign that he does net remember to have met with a single fatal case. \ -itiulv of his cases offers the paradox that neither . the presence of bacilli in the patients \|Vhen dis- charged renders infection in the other members of the family much more probable, nor is their absence an absolute guarantee against infection. April 4, igii. 1. Diatheses and Dyscrasias in the Light of Our Present Knowledge, By Hering. 2. Contributions to the Formation of Concretions. By SCHADE. ; The Origin of Pancreatitis .\ssociated with Gallstones, By Arnsperger. 4. Complement Deviation in Carcinoma, By C.aan. 5. Statistics and Therapeutics of Neurorecurrence under Salvarsan Treatment. By Benario. 6. Rontgen Flash Pictures, By .A.l\vens. 7. Confirmation of Rumpel-Leede's Phenomenon in Scar- let Fever, By Bennecke. 8. Culpable Youth and Psychopathic Inferiority,