The 2 samples and chunk of callosity in tank no.28 with cyamids aer all from the same whale specimens, but from different parts of the whale. All the cyamids aer Cyamus ovalis Roussel de Vauxeme (fam.

Catherine L. T. Lucas, A Study of Excystation in Nyctotherus ovalis: With Notes on Other Intestinal Protozoa of the Cockroach, The Journal of Parasitology, Vol. 14, No. 3 (Mar., 1928), pp. 161-176 ...

The length of the primum septum was short and was only 90% of the diameter of the fossa ovalis in the fetus. It increased and reached 97% and 111% of the diameter of the fossa ovalis 1 and 2 d ...