[December 
128 Psyche 
Table I 
Records of reproductive castes found living together in the same 
nest. Numbers refer to the number of each caste collected. 
1st form 1st form 2d form 2d form 3d form 
king 
queen 
king 
queen 
queen 
R eticulitermes flavipes 
(Kollar). Cold Spring 
Harbor, N. Y. 
R eticulitermes flavipes 
113 
126 
(Kollar). See Banks and 
Snyder (1920) 
R eticulitermes 
1 
X 
arenincola Goellner 
Miller, Indiana 
R hinotermes ( R. ) 
2 
1 
tenebrosus Emerson 
Kartabo, Br. Guiana 
Armitermes (A.) 
1 
1 
albi&us (Hagen) 
Kartabo, Br. Guiana 
A rmitermes ( A . ) 
1 
1 
2 
'percutiens Emerson 
Kartabo, Br. Guiana 
A rmitermes ( A . ) 
2 
78 
percutiens Emerson 
Kartabo, Br. Guiana 
Armitermes (A.) 
1 
7 
minutus Emerson 
Kartabo, Br. Guiana 
N asutitermes (N.) 
1 
35 
costalis (Holmgren) 
Grenada, West Indies 
N asutitermes ( Subulitermes ) 
30 
46 
parvellus (Silvestri) 
Kartabo, Br. Guiana 
1 
— 
5 
Summary 
No valid case of a conditioned response in termites has 
been reported. The behavior described in the literature can 
readily be interpreted as the result of hereditary influences 
and thus may be referred to as instinctive. A fight be- 
tween two queens in a captive colony in the presence of 
workers, nymphs, soldiers and another queen, none of 
which exhibited any antagonistic response to either of the 
