Mr. A. Murray on the Egg of Rhipiphorus paradoxus. 327 
and some points of resemblance in the appearance (dissimilar 
in other respects as they are) of the parasite in its internal and 
external stages doubtless prepared him for the discovery that 
80. 
it did 
m the skin of a wasp-grub to which she was made to apply 
it; but no puncture could be detected. : 
is does not tell us very much. Her laying an egg on 
the wall of the box is against the notion that she may de- 
posit her egg inside the wasp-larva by piercing its skin, like 
an ichneumon; so is the gummy secretion; while, on the 
other hand, it has been suggested to me that the ovipositor 
with its bristles may be something analogous to the serrated 
