208 
Psyche 
[Vol. 92 
Fig. 2. Sphecomvrma canadensis, paratype worker: A, part of right side of body 
and head; B, left front leg. 
for example, in the overall body form, including especially the dis- 
tinctive petiole and head; in the unique short, 2-toothed mandibles; 
in the equally peculiar antenna, with its proportionately short scape 
and long, flexuous funiculus; and in the well-developed secondary 
median claw of the tarsus. 
During late Cretaceous times the Alberta locality was close to the 
midpoint between New Jersey and Magadan, the easternmost of the 
Russian fossil sites. Thus the discovery of the Canadian specimens 
