CIMEX LACUSTRIS. l7l 
Mother, Yes, exactly. 
hucy. The next species, in this book, 
is called laciistris ; what does that mean ? 
Mother. Locus means a lake, the 
place inhabited by that species of cimex. 
Here is a drawing of the cimex lacustris* ; 
it is larger than the stagnorum, and much 
more lively ; it sports with surprising ac- 
tivity on the surface of the w^ater, which, 
from the extreme lightness of its body, 
is scarcely dimpled by its motions. 
Lucy, Does it live under the water ? 
Mother, Very seldom ; it seems 
to prefer being near the bank : it 
sometimes stands quite still for several 
minutes, its six legs stretched out, and 
just the soles of its tiny feet touching the 
water, when suddenly it darts away. 
Lucy, And does not the stagnorum 
run upon the water. 
Mother. No ; its motions are slow 
and cautious ; it seems always to fear 
some danger, and often stops and appears 
* Plate XIII. 
X 2 
