Latrodectus Mactans. Latrodectus mactans. N. O. Arachnida. Tincture of living spider.   Clinical.-Angina pectoris. Haemorrhages, watery.   Characteristics.-To the ready pen and luminous insight of S. A. Jones, and to

LATRODECTUS MACTANS Spider The bite produces tetanic effects that last several days. A picture of Angina pectoris is presented by the action of the drug. The præcordial region seems to be the