666 



DR. F. E. BEDDARD ON 



relation to be observed between these cells and tbe egg -holding 

 spaces. I have never found more than a single embryo in one 

 cavity ; if there are occasionally more, such instances must be 

 rare. The accompanying drawing (text-fig. 94) shows a number 

 of the embryo-holding spaces in a fully ripe pr-oglottid. It will 

 be noticed that between the embryo itself and the wall of the sac 

 in which it lies is a tuiubled mass of a membranovis appearance. 



Text-fia-. 94. 



m. 



Diplopi/lidium genettce. 



A portion of a more full}- mature proglottid. The embryos are now surrounded by 

 a delicate often crumpled membrane, and the spaces in which they lie are 

 larger. 



e. Eml)r3'o. m. Egg-membrane, v:. Cavity surrounding embr^'o. 



This is not all stained by the h8ema,toxylin, which has amply 

 stained the embrj^o itself and the surrounding tissues of the 

 medulla. The inference, therefore, appears to be that this 

 membranous material is in reality the egg-shell and is of 

 a chitinous nature. In some cases it has a more regular 



