Department or Administrative Unit
For a number of years I have been studying the spermatogenesis of Papilio rutulus (pl. 12, fig. 1) not ,with any one single problem especially in view, but with the aim of ascertaining the entire life history of its sperm cell, its various phases of development, its mode of growth and differentiation, the history of its several parts, and its relation to the organism.
Munson, J. P. (1906). Spermatogenesis of the Butterfly, Papilio Rutulus. Proceedings of the Boston Society of Natural History, 33(3), 43-124.
Proceedings of the Boston Society of Natural History