THECLA I. 
YlV 
and very much to my surprise it proved to be a perfect specimen of Iceta female, 
that doubtless had been at rest on the vine, and chilled by the cool morning air 
had been suddenly jarred from its place into the hole. The difference in color be- 
tween the male and female is much of the same nature as between the sexes of 
Thecla Poeas, the female being much more highly ornamented with blue than the 
male. The sexes in Theda have similar markings on under surface and are easily 
identified by that means. On comparison, this female proved to be identical with 
Theda Clothilde, which I described in 1863 from a worn and faded specimen re- 
ceived from Rev. Mr. Provancher, near Quebec, having then no suspicion of its 
affinity to laita. 
Mr. Scudder, in his Supplement to a List of the Butterflies of New England 
( Proc . Post. Soc. Nat. Hist. 1868), mentions Clothilde as having been taken near 
Paris, Maine, on 22nd July. 
The Theclas are widely dispersed, but are rarely met with and are difficult of 
capture from their extreme restlessness and activity, darting about with so rapid, 
jerking a motion that it is almost impossible for the eye to follow them. The pre- 
sent species is tropical in its coloring and seems quite out of latitude in the North- 
ern States. 
— o — — - 
THECLA ACADICA. 5—7. 
Theda Acadica, Edwards, Proc. Acad. Nat. Sci. Phila. 1862. 
Male. Expands 1.2 inch. 
Upper side dark brown ; costal edge of primaries red ; on the disk a smooth 
oval spot ; secondaries have a single tail (unless the very slight projection at extrem- 
ity of the second median nervule be so designated) which is black, edged towards an- 
al angle and tipped with white ; from its base a bluish white line extends along the 
margin to the anal angle ; the space next above this line sprinkled slightly with 
fulvous scales making a broad band more or less distinct, which terminates beyond 
the tail in a clear fulvous spot ; fringe of both wings fuscous, at the anal angle 
black, next before the tail white, beyond it black through which runs a white line. 
Under side grey with a pearly lustre (but sometimes brownish-grey or even 
sordid grey -white) ; on primaries a short discal bar edged with white ; beyond 
this, a bent, transverse row of black spots each surrounded by white, the one 
next costa minute, the next three round, fourth and fifth oval and sixth double ; 
within and along the margin a row of elongated pale fulvous spots, gradually be- 
coming obsolete towards apex, narrowly edged on the inner side by black on 
which rests a line of bluish-white. 
