Singh H H, Srivastava K P, Katiyar R L
J Hirnforsch. 1979;20(6):631-5.
The retrocerebral endocrine organs, the corpora cardiaca and corpora allata were studied in different developmental stages of the lemon-butterfly. The organs were found to undergo several changes in respect of their position, size, structure and the number of nerves associated with them.