1890.] Contribution to the Knowledge of the Termites. 1123 
second form, and the development of the procreative parts of the 
“little king and little queen,” as compared with those of the 
nymphz of the first form. These different magnitudes, and 
these different developments of the procreative organs of the 
captured kings and queens of Lespes may be explained by sup- 
posing that they belong to growths of the different years. 
Dr. Hage has already said—against this conclusion of Lespes 
—that in all kings and queens examined until now, the wing-scales 
show exactly the form and size of the imago. This development 
cannot be brought at all in harmony with the little rudimentary 
wing-cases of those nympha. It seems also improbable 
that these nymphae with their last moulting may draw out of 
the rudimentary sheath only wing-scales. So much the more, 
as the scales of a royal pair every time show exactly the places 
from where the wings are broken. Besides, the prothorax of the 
queen never differs in form from that of imago; while the nym- 
phz of the second form are distinguished by a broader prothorax- 
"When in July the nympha of the second form begin to turn 
brown, as their last moulting was near at hand, in case they had 
to undergo one, their wing beginnings were still so small that it 
was impossible that out of them could become developed wings 
such as those animals possess which swarm in May. Even if 
they would get such wings, they would not be able to fly on 
account of their thick hinder bodies, as every one will agree who 
has seen living Termites. 
The observations of Robe-Moreau, beginning in 1797 (his 
memoirs on the Termites observed by Rochefort, etc., appeared 
1843), and who has given long years of observation to the 
Termites in and around Rochefort, met “ delayed nymphze " after 
the swarming time, which he supposed did not undergo a further 
change, as a second swarming had never been observed in Roche- 
rt. 
Dr. Hagen thinks that Robe-Moreau and Lespes have exam- 
ined the same species, while Lespes believes that the Termes 
lucifugus of Bordeaux are different from those of Rochefort. 
However it may be, it seems to me there is scarcely a doubt that 
in Bordeaux there does not take place a second swarming of 
