gradation of c h a r acters. 
147 
c «, 
it. 
Xiv. 
>nf, 
e r 
^Ci 
from 
r t| 1( ,^ (lin g upper spots; but I do not feel sure of this. 
'•ti'% t * u ’ ee marks, l, c, and d, with the intervening 
s ^ a des, form together the so-called elliptic orna.- 
t)| 6 1'hese ornaments stand in a line parallel to 
U. la a nd manifestly correspond in position with the 
traces of similar prolongations from the 
^d-socsket ocelli. Their extremely elegant appear- 
ed be appreciated in the drawing, as the orange 
r<ia rh Cuc ^ eEL tints, contrasting so well with the black 
Set" Caun °f be shewn. 
tyi ' V f ei1 one °f the elliptic ornaments and a perfect 
d j s docket ocellus, the gradation is so perfect that 
\ht SCai ' Cely P 0ss ible to decide when the latter term 
to be used. I regret that I have not given an 
K 
<ht. 
Vlu° Ual drawing, besides fig. 58, which stands about 
‘ y 111 the series between one of the simple spots 
Perfect ocellus. The passage from the elliptic 
■hid e,lt iuto an ocellus is effected by the elongation 
hla e p td ter curvature in opposed directions of the lower 
h CT k (h), and more especially of the upper one 
hijm 'J’^her with the contraction of the irregular sub- 
1 ar or narrow mark (d), so that at last these 
^ipti(^ nU - r ^ 8 become confluent, forming an irregular 
jj. lln o- This ring is gradually rendered more 
circular and regular, at the same time in- 
7 ln diameter. Traces of the junction of all 
'd'pep 011 § a ted spots or marks, especially of the two 
Ca n still be observed in many of the most 
% -elli. The broken state of the black ring on 
Tf S ^ 6 oc ellus in fig. 56 was pointed 
■) U'regular sub-triangular or narrow mark 
'“ho,! e s% forms, by its contraction and equal i- 
j’ldiOf’ ■ . 6 thickened portion of the ring on the left 
f e °f the perfect ball-and-socket ocellus. The 
ai 't of the ring is invariably a little thicker than 
l 2 
