1883.] Entomology. 791 
being but slight and not suggesting any other than a scarabæoid 
larva. These five forms of larva will be found in all Meloids so 
far traced in their earlier states, whether exuviation is but partial 
and imperfect as in Sitaris, Meloé, Hornia, etc., or whether it is 
more perfect as in Epicauta, Macrobasis, etc.— C. V. Riley. 
COLOR PREFERENCES IN NOCTURNAL LEPIDOPTERA.—For two 
seasons past (1881 and 1882) I have made fruitless attempts to 
reach some definite conclusions as to the relative importance of a 
few primary colors as attracting signals to night-flying insects, I 
o not know whether the plan adopted is original or not, and as 
it may yield some useful or interesting results in the hands of 
others I briefly describe it. I made four or five sleeves, or cylin-’ 
vising a very serviceable and inexpensive Chinese lantern. The 
advantage of this arrangement consists in the ease with which 
the colored sleeves can be changed, any combination of colors 
to allow the limital circle of illumination of each at first to touch, 
and subsequently to intersect those of its neighbors. This dis- 
Prominent, no matter from what side the dazzled insect may ap- 
Proach the group. The apparent necessity for allowing the insect 
