460 
TRANSFORMATIONS OF INSECTS. 
muscles, jerks the animal through the water in a series of lively 
jumps. The anterior antennae have lost the long setae, and by the 
Magnified 45 diameters (after F. Muller). 
side of the last or fourth joint, endowed with olfactory filaments 
(smellers), there appears a second branch, which is at first of a 
single joint. The five new pairs of feet are biramose, the inner 
