It is the Cross spider . Called "Cross" also "Papal Cross", on account of the marking on its back resembling a cross ; a large black spider of the Central States, especially Kentucky and Tennessee. Tincture from live animal. What is its general applicability ? It corresponds to that which Grauvogl termed the hydrogenoid constitution, wherein there is a great deficiency of warmth and great susceptibility to dampness. Give two peculiar symptoms of Aranea. 1. Numbness of the parts supplied by the ulnar nerve.