Among a number of oysters which I procured in February, 1902, for the purpose of a demonstration, were several which were badly infected with the cercaria Bucephalus. At the suggestion of Professor Brooks I undertook a study of the origin of the germ-cells, from which the cercariæ arise, the material at my command promising to be favourable for such an investigation.
No takes yet. Share an insight, caveat, or question.
David Hilt Tenuent (1906) studied this question.