ANATOMY OF CESTODES. 



189 



i.e. with embryos, and fully formed egg-shell. These ripe eggs are 

 spherical, and the contained embryo lies in the centre at some 

 distance from the shell which is moderately thick. A fine layer 

 may surround the embryo, constituting a second inner shell ; but 

 I can find no evidence of a third shell lying between this and the 



Text-figure 7. 



\\^ 



{ *(*Yj$!r}/' 



Compartments of ovary of Dasyurotcsnia. 

 e. Ripe eggs. o. Immature ova. 



obvious outer shell. To make one among many possible com- 

 parisons, the eggs of the present genus resemble those of OocJwr- 

 istica marmosce and differ so far from those of Linstowia ameivce *. 

 And finally, they are in no way remarkable for a worm which 



* See Beddard, P. Z. S. 1914, p. 268, fig. 3; p. 278, fig.8. 



Proc. Zool. Soc— 1915, No. XIY. 14 



