Action of Theelin on the Domestic

Abstract

Conclusions

1. The crystalline product, theelin, is quite effective in restoring to female type those secondary sex characters which have been altered by ovariectomy-namely, feathers and oviduct. 2. With 3 weeks' injection, theelin does not interfere with the stimulus to comb-growth afforded by the compensatory right gonad in this species. 3. Olive oil solution is far more effective in producing these results in the fowl than is saline solution, possibly because of the too rapid absorption and elimination of the saline solution.