Sept. 1896.] 
Dyar : Life History of Euclea Delphinii. 
127 
for the smallest horns to he crowded toward the neighboring large ones, 
whereby the subdorsal horn on joint 6 approaches the one on 5, that on 
7 the one on 8, etc. Setse rather long, stiff, sharp pointed, three from 
the apex of each horn. Cuticle perfectly smooth, transparent. The 
larva is pale yellowish, the color of the egg, without marks. It does 
not feed at all in this stage, becoming quiescent immediately after 
hatching and molting in three days. Length of larva 1 mm. 
Stage II .—Subdorsal horns on joints 3 to 5, 8, n and 12 large, 
rounded, bristly with stiff, black-tipped spines; those on joints 6, 7, 9 
and 10 very small, rounded, each with one spine; lateral row with many 
spines, the horns on joints 3 and 4 larger than the rest. Body squarish, 
ridges marked by the large tubercles, widest through joints 3 and 4. 
All pale yellowish white, much more opaque than before. Skin finely 
granular dotted ; no marks. Head pale, eye black, mouth brown, 
width .3 mm. Toward the end of the stage the horns of subdorsal row 
on joints 4, 5 and 11 become brick red in some examples. Length 1 
to 2 mm. 
Stage III —Very shining, green, but principally from the alimen¬ 
tary canal showing by transparency. A narrow, faint yellow subdorsal 
line along the ridge; horns on joints 3 to 5, 8, n and 12 bright red ; 
lateral row colorless with green tips. The horns are moderately well 
covered with black-tipped spines; the subdorsal ones on joints 6, 7, 9 
and 10 have only one or two spines. Skin finely and rather remotely 
watery granular. Dorsal and ad-dorsal depressed areas indicated by 
whitish dots, also the large lateral intersegmental (4). The larvae eat 
rounded patches on either side of the leaf (Plate V, Fig. 13). Width 
of head .4 mm.; length of larva 2 to 3 3 mm. 
Stage IV .—Resembles the mature larva in shape and appearance. 
Green, a narrow yellow subdorsal line, the same horns red as before. 
The subdorsal horns on joints 6 and 10 are very small with three or four 
spines, those on joints 7 and 9 moderate with six to eight spines. A 
narrow pale dorsal line. Double intersegmental dorsal, ad-dorsal and 
two lateral obliquely set rows of white glandular dots. The lateral horn 
on joint 4 is a little larger than the others. Head whitish, the eye 
black ; width .6 mm. Skin granules rather remote, concolorous or 
colorless, non-setiferous, conical but not sharp pointed, about .005 mm. 
in diameter. All the horns are smooth, without skin granules. No 
trace of caltropes. Length of larva 3.3 to 5.3 mm. 
Stage V .—Head shining, very pale greenish, eye black, mouth 
brown ; width .8 mm. Green ; the skin transparent with a faint green 
