T. C. Hilgard—Infusorial Circuit of Generations. 93 
it dropsically flattens out into a pretty well-sized Oxytricha,* 
Y asimilar sort of internal fluxile commotion of particles as 
when the animals dissolve into molecular “ sauce.” 
But Oxytricha is not a perfect animal. It has no mem- 
branes, an evidently no fibrous tissues at all. The entire tex- 
ture apparently remains in an embryonic, vitelline condition, 
as yet. 
have in a single instance witnessed what appeared to be 
the moulting of a perfect Oxytricha. The front border was 
somewhat removed from the body, which it crowned like the 
crest of an ancient helmet, and within each rigid bristle (“style”) 
as within the fingers of a glove, was containe 
but thicker, upper flap (‘lorica”) containmg one clear germinal 
speck. is animal opens like a book, undoubling its flaps; 
re ~ is thus that it devours its prey (such as conferval spawns. 
This somewhat resembles fig. F, turning, by fiuid expansion, into fig. E, (Carp. 
mages ibid), Fig. F, avers, Raclfiee to be duck-billed, as it were, and fig. E 
be lop-sided and the nucleus more central. _ ions and figures, however, 
“ ee ; 
| Perhaps the “ Euplotes” of authors. Their ae ot wb ey 
tifiable, : 
