1910] Wheeler—A Gynandromorphous Mutillid 187 
is black on both sides; the right mandible is black, the left red. 
The scape of the left antenna and the two basal joints of the 
funiculus are red. The tip of the second funicular joint, together 
with the third and fifth joints, are dark brown and the remainder 
of the funiculus is black. The palpi on the right side are black, 
on the left side red, with their terminal joints infuscated. The 
left side of the head bears on the lower side the peculiar tooth 
and carina so characteristic of the female, whereas these structures 
are lacking on the right side. The left half of the thorax is typi- 

Fig. 1. Pseudomethoca canadensis Blake, lateral gynandromorph; a, dorsal 
aspect; 6, head seen from the front. 
cally female, without sutures and deep red; the right half is 
somewhat longer and of the male type and black, with the sharp 
line separating the two halves rather sinuous or indentated to- 
wards the right in two places which correspond with the transverse 
suture between the mesonotum and scutellum and with that 
between the scutellum and metanotum. The epinotum is dis- 
