Fig. 1 Caddo dentipalpus Koch and Berendt. Side view 
of specimen from the Baltic amber. Note the three large spines on 
the lower side of the femur of the palpus and the spinose hump near 
the tip on the inner side. Drawn by W. J. Schoonmaker. 
Fig. 2 Caddo boopis Crosby. Side view of female with ovi- 
positor exposed. Actual size 1mm. The drawings of C. agilis 
and C. boopis are made to the same scale and show the relative 
size of the species. 
Fig. 3 Caddo agilis Banks. Actual size of specimen about 
2mm. ‘The spines on the lower side of the femur of the palpus are 
confined to the basal half as in Caddo dentipalpus. 
Caddo dentipalpus is about the size of Caddo agilis. 
[86] 
