THE 
FLEA MONOCULUS. 
Generic Character. 
Feet formed for fwimming. 
Body covered by a cruftaceous fhell. 
Eyes (in mold fpecies) approximated. 
Specific Character, &c. 
MONOCULUS with dichotomous antennse and 
indebted tail. 
The Flea MONOCULUS or Water-Flea. 
The WATER-FLEA with branched horns. 
Baker. Empl. for Micr. p. Q02. 
pi. 12. /. 14. 
The Monoculos Pulex, one of the mod elegant 
fpecies of this genus, is an inhabitant of almoft every 
ftagnant water, in which it is fometimes fo very 
numerous as to diffufe a reddilh tinge through the 
whole body of the water. The flze of this animal, 
with its ftarting kind of motion, has induced many 
of the more ancient writers on natural hiftory to call 
it by the title of the water-flea. Few of the Mon- 
oculi can exceed it in the beauty and Angularity of 
p its 
