T. C. Hilgard—Infusorial Circuit of Generations. 95 
some of the smaller ones are being propelled by adherent 
motile granules (probably the “ Acineta” Auet.), the larger 
” 
Its contents are a visibly and rapidly circulating so-called ‘‘ rotat- 
ing protoplasm,” composed of mostly very transparent individ- 
jie “ie 
onie particles, partly bulky, but mostly very small. 
on (red or ‘ssenah) vibrionie dots are also dis- 
cernible, 
It now takes the form which has been called “ Ameeba.” 
This form, however, likewise occurs, when similar yolks or “aci- 
hetee,” are expelled from vorticellan bodies. In either case the 
tumbling-sac ” lastly attains a versatile-campanulate star-shape 
oe odia,” from which break forth volumes of mini- 
mal vibrios, and quite large, cylindric bits of rods, or ( pseudo)- 
bacteria.” The latter here are thicker than fungine bacteria, 
and are neither coated nor ellipsoidally shuttle-shaped, but 
qluntly cylindric, like cartridges or butting rams. They possess 
ta 2 
