Abstract
Adult [male] and [female] mice were inj. intra- perit. with 2% atabrine HC1, the daily dosage being 2 mg. and the total dosage 4-12 mg. Frozen sections were made from fresh tissue or after formalin fixation and were mounted in saline or 0.2 M Na2HPO4. The sects. were examined by fluorescent microscopy with glass lenses. The greatest concs. of atabrine were found in the liver, spleen, and kidney.