LIFE'S SIMPLEST CHILDREN. 
*3 
many different shapes, often with the most beautiful 
and complicated patterns upon them. All but the 
simplest shells have several chambers in them, a I 
one being added as soon as the animal outgrows the 
last one ; and in the partition between each chamber 
Fig. 4- 
O, Miliolite, with a shell of lime, a!, The snme, with a shell of 
sand. b y Peneropolis. r, Orbitolite. //; thiU 
feed onfy from the edge of the shell. 
d, Globigerina* e, Lagena* f Nodosarina. g> t Rotaliti h, 
Textularia. These she/Is are full cf /•. 
puts threads to feed. 
there is a minute hole through which a thin threa 
slime passes into the next chamber, so that t! 
body is joined together throughout the shell. 
account of these holes these lime-builders have : 
called Foraminifera from 
* This name Ka now often defined u - 
Ihe sln-ll is perforated vrith boles, but ■ 
given bere la more correct, because it s] 
wnd oon 'perforated i 01 uninifi 
