ACIDALIA OCHRATA. 81 
old locality), ‘occurring amongst the coarse shore grass 
and Ononis arvensis and afew sprays of yellow bed- 
straw (Galium verum),” the only plants growing in the 
spot where the insect appeared, of about thirty feet by 
fifteen, although there are some five miles of suitable 
oround. 
In shape the egg is oval, boldly ribbed and finely 
reticulated, and of a whitish straw-colour. 
On the 17th the eggs became a decided straw-yellow, 
and on the 18th, a remarkably hot day, they turned 
brown, and in the evening they hatched. 
The young larve were at first of a drab colour, 
with brown heads, and the next day showed a dark 
internal dorsal line. On grass, restharrow, knotgrass, 
and Galiwm verum being offered them as food, they 
chose the Galiwm, showing rather a partiality for 
the flowers, and rested often at first in a coiled position, 
but more often in a loop. 
By the 23rd they had become reddish-pink, with 
heads a deeper pink, and with rather a purplish-pink 
or grey dorsal line. 
By the 29th two or three had moulted; these by 
August 2nd showed decided lines down the back, and 
notably double dark grey dorsal lines enclosing a paler 
fine thread, and blackish on the sides of the belly, 
showing as four dark spots at the side of the spiracular 
region. ‘l'wo being dead now reduced the number of 
larvee to twelve. 
On the 13th August only eight or nine remained 
alive. ‘The most forward had again moulted, and 
was more of a dark greyish colour than before, but 
yet with a reddish ground; the skin very rugose, and 
the segments overlapping at the sides and somewhat 
flattish on the back—a true Acidalia. 
On the 15th I discovered that the larvee like flowers 
of Lotus corniculatus, from one supplied to them yester- 
day as an experiment. 
On the 17th I saw them eating off the yellow 
covering from the seed-vessels of Galiwm verum, but I 
VOL. VII. 6 
