“…The animals were housed in separate cages; they received no treatment whatever, and were followed with serial clinical and serological examinations, in the manner previously reported (Taylor, Smith, and Singer, 1965;Smith, Singer, Reynolds, Moore, Yobs, and Clark, 1965;Wells and Smith, 1967c Because of the equivocal FTA-ABS tests in this monkey (see Table I), and because, in cases with this serological pattern, we had sometimes found treponemes in clinically quiet eyes , a paracentesis of the anterior chamber was performed on the right eye on April 6, 1967, i.e. 7 months after intradermal inoculation.…”