Mechanism of Neuronal Coordination of the Rhythmic Activities of Developing Flight Muscles and a Neurosecretory Cell Population in the Silkmoth, Bombyx mori Kamimoto, Satoshi and Ichikawa, Toshio, Zoological Science, 23, 459-464 (2006), DOI:http://dx.doi.org/10.2108/zsj.23.459