42 
Psyche 
[June 
Before discussing these studies it seems advisable to 
present certain general observations on Cryptocerus tex- 
anus. In the paper which Dr. M. R. Smith published on 
texanus in 1947(1) seventeen stations were listed. Only 
six of these carried notations as to the nest site of the 
Figure 1. Cryptocerus texanus: a, lateral view of the head of the major; 
b, sculpture of the cephalic disc on the head of the major, showing the 
rectangular, silvery, longitudinally grooved hair in each foveola. Figure 
1, a, is drawn to a scale twdce that of plates 3 and 4. 
colony. Of these six only one referred to a nest in a live- 
oak tree. On the basis of the above data it would be unlike- 
ly for anyone to conclude that texanus prefers to nest in 
live-oaks. Nevertheless, this appears to be the case. Pre- 
sented below is a list of trees in which texanus has been 
found nesting. This is a composite of the data publi^ed 
by Dr. Smith and those more recently secured by the senior 
author. In two cases the information reported by Dr. Smith 
