ABRAXAS GROSSULARIATA. 151 
that acolony of the form usually occurred a few miles 
north of Newcastle-on-Tyne. Mr. Mosley kindly gave 
me one of the larvee, and I preserved it. It differs 
from the strikingly marked usual form in being almost 
uniformly sooty-black; there is no trace of the reddish 
lateral stripe below the spiracles; and the yellow or 
cream-colour only shows a little on the second segment 
and on the ventral area as a narrow central stripe, 
interrupted, except between the legs and prolegs, at 
the segmental divisions. The only other markings 
are two small pale spots on the front ofthe fifth, sixth, 
seventh, eighth, and ninth segments, and laterally on 
the tenth and eleventh segments. The appearance 
altogether is so different from the usual form, that at 
first sight I had no idea what the larvee were; and on 
placing my preserved specimen in the cabinet along 
with the broad black-bordered variety of the imago, it 
seemed to correspond with it exactly. Unfortunately 
for that theory, however, these black larvee at Newcastle 
only produce the most ordinary form of the imago. 
Mr. Robson has since informed me that the larvee are 
not all sooty-black, but vary in every degree,—from the 
ordinary colour to uniformly black, even more so than 
the specimen I have described. Mr. Robson has bred 
a great many of them, but never got a variety of the 
MAO MinOMme HMoMnmGcOorte lL eoreiit. ial 
January and February, 1879, XV, 187 and 205.) 
LIGDIA ADUSTATA, 
Plate CXXIV, fig. 3. 
The eggs were laid during the third week in July. 
The caterpillars were hatched on the lst of August. 
When full grown they usually rest ina straight position 
along the stem of their food-plant, Huonymus europaeus 
(common spindle-tree), to which they have a marked 
resemblance in colour. 
The head is slightly larger than the second segment ; 
