THE LASSO-THRO WERS. 
59 
swimming gaily along in the water by driving in and 
out the jelly- veil (v, 3) spread across their rim. 
Anything to exceed the delicacy and beauty of 
these tiny jelly globes can scarcely be imagined, and 
The Campauulina. Ilincks. 
1. Natural size of the animal tree, s, Natural size of the sac con- 
taining the jelly -belk 3'. Natural size of free jelly-bell floating in the 
water. 
2. A piece of the fixed animal-tree magnified. a a. Animal 
feeding, s, Sac with the jelly-bell upside down inside it. 
3. Free jelly-bell magnified, v, The veil across the bell, t, Feed- 
ing tube of the animal, m, The mouth, o, The ovary in the canals of 
the bell, b b, Coloured spots in the rim. 
as they are easily bred in a salt-water aquarium, all 
their life-history may be carefully studied. Minute 
as they are, the pulsation of the bell as they propel 
