1050 . DR. F..E, BEDDARD ON. 
rather older than that depicted in text-fig. 8. The cavities appear 
in such a section to be detached, as the network is not so close as 
it becomes later. The cavities are lined with an epithelium which 
is at least less obvious in older uteri. 
Text-figure 7. 
Moncecocestus erethizontis. 
Horizontal section illustrating the first appearance of the uterus (wt.). 
7.s. Receptaculum seminis. w.v. Water-vascular tube. 
In all the sections referred to it may be seen that the uterus 
does not extend laterally beyond the trunks of the water-vascular 
system. The uterus is quite persistent, and is not replaced by 
anything of the nature of paruterine organs. The ripe eggs 
have a delicate shell, as appears to be the case in the Acoleide 
generally. L ee at 
Naturally I have endeavoured to ascertain how far my species 
