Cysticercus from a rare Dolphin. 419 
unusual thickness of the wall of the bladder, The larger 
specimens, however, show a very remarkable structure. The 
cavity of the bladder is almost entirely filled by an enor- 
mously long coiled tube, which on further investigation is 
Fig. 2. 
“ Cysticercus Tenia Grimaldi.” Portion of a transverse section near 
the hinder end, passing through the scolex. 
C., cuticle; M., muscle-layers; N., coils of the “neck” cut across ; 
P., parenchyme of the “bladder”; S., scolex. 
found to be continuous at one end with the wall of the 
bladder at the point of invagination, and at the other end by 
careful search may be seen to end blindly in a slight bulbous 
expansion which contains a scolex. ‘The tube, in fact, is 
