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27(5 
in the genus Polyommatus, and they usually live on trees. 
One of our largest kinds is the Falager butterfly ( Tliecla 
Falacer of Godart). Its wings expand from 1 T V inch to 1^ 
inch, are dark brown on the upper side, with two slender 
tails, one of which is very short, on each of the hind 
wings ; and on the hind margin of the same wings is an 
orange-colored spot, larger and more conspicuous in the 
females than in the other sex ■ the under side of the wings 
is lighter brown; and on each wing near the middle is a 
dark-brown spot margined within and without with white, 
and beyond the middle there are two rows of spots of the 
same color, bordered on one side only with white ; besides 
these spots, there are on the lund wings near the maigin tluec 
or four orange-colored crescents, the inner one of which is 
separated from the others by a large blue spot, dliis insect 
is found among bushes in July and August. The caterpil- 
lar is said to live upon various kinds of hawthorns. 
The streaked Thecla ( Tliecla strigosa) has a long and a 
short tail on each of the hind wings, and is of a dark-brown 
color without spots on the upper side ; the wings beneath are 
ornamented with wavy transverse white streaks, and near 
the hind margin of the posterior wings is a row of deep 
orange-colored crescents, with a large blue spot near the 
hindmost angle. It measures one inch and one tenth across 
the wings. I took it on Blue Hill on the 1st of August. In 
the markings of the under side of the wings it nearly resem- 
bles Theda Liparops. 
The heads of the common hop are frequently eaten by the 
little green and downy caterpillars of a very pretty butterfly, 
which has been mistaken for the Theda Favonius, figured 
in Mr. Abbot’s “ Natural History of the Insects of Georgia”; 
hut it differs from it in so many respects, that I do not 
hesitate to give it another name, and will therefore call it 
the hop-vine Thecla, Theda Hamuli ' * (1 late IV. 1‘ig. o). 
[ " T. Ilumuli is the T. meltnus of Hiibner. — Morris.] 
* M. Boisduvnl lifts figured and described this species under the name of Thecla 
Favoniw, in his “Histoire des I.dpidopteres de l’Amdriquo Septentrionale." 
