18 Dana on the Classification of Animals 
the Dipterous order, almost every Hymenopterous genus having 
its representative in the latter.” The analogies as well as affini- 
female places with the eggs some bits of dried blood; and if so, 
there is a degree of nursing among Fleas which is an additional 
relation to the Hymenopters. The body is amplificate behind. 
The absence of wings is to be attributed to ellipsis through 
opters—The wings of Lepidopters are typically very 
] ; ? 
paratively narrow, but through degradation of type. The am- 
the smullest species are far larger than the smallest of Apipens 
and of most other tribes of Insects, The mouth is haustellate, 
‘with the mandibles atrophied or nearly so.’ The species are 
- § Tt has been argued that since the larves of epidopters have r bles, 
‘While the butterflies have these organs only in a viedieputier? eas n sere or husesud: 
