384 Agassiz on the Relations between Animals 
aquatic larve, and a number of terrestrial types, and highest the 
Orthoptera which undergo a less extensive, but entirely terrestrial, 
development, whilst Hymenoptera have a more diversified meta- 
morphosis, and assume even in their larval condition in some of 
their types, the higher forms which characterize the larves of 
epidoptera. Se , 
Among the sucking insects we begin again with various aquatic _ 
types, or aquatic larval forms,—next rise to Diptera with other” 
aquatic larval conditions but a constant aérial mode of- life in the’ 
perfect state, and finally to the type Lepidoptera in which all farvee 
are terrestrial, and even highly organized in their earliest state in 
_ growth, these larve are chiefly fluviatile and not marine, so that 
we may conclude from: zoological evidence that the more inti- 
mate connection with the main land and aérial mode of existence 
oderms, which for so long time prevailed to the almost en- 
winged families, among which thé Neuroptera seem to be the first 
to increase in number, and the late ear ate of the sucking . 
ae 
ele a 
cf 
