PROCEEDINGS OF SCIENTIFIC SOCIETIES. 679 
egg sae bermightoned oak, meminda us arikingly of the ii. and 
l Lepisme, and allied gen- 
5. 
era, are e eabryonis forms, 
of Neuroptera, and should’ 
therefore be considered a y 
family of that suborder. I 
een laterally, the body 
gradually tapers from the j 
large head to the ted 
extremity he b 
flattened from above down- 
wards. is ge th 
embryo, but the limbs are 
still laid along the body. “Jy 
Fig. 6. y 
T ij 
after the exclusion of the Sites She 
gta © nc gun of 
whieh the’ eyes 
F et p 
de 
ger, and re 
g 
shorter pla 
the recently 
hatched larva, 
gl on to the 
body. The antennæ, man- 
dibles,andmaxillmarenow só o JI cal af tie abdomen, wich open and 
free, and have taken on a shut otk orth on, are represen ted s being 
ust hatched and swimming in the water. 
me Stale ord or nervous ganglia; D, dorsal ves- 
more definite form, being Peni Eon 
like that of the young larva, and ante oa free pi the body. The 
head is much smaller in proportion to the rest of the body, and bent 
more upon the breast. 
8. The Larva (Fig. 5). The head is now free, and the antennæ 
stand out free from the front. The thorax has greatly diminished in 
size, while the abdomen has become wider, and the limbs very long; 
and the numerous minute tubercles seen in the preceding stage have 
given origin to hairs. The dorsal vessel can now, for the first time, 
the dotted ponte cross one 
ork of trac 
