84 
Psyche 
[June 
the anterior end of the head, and the scapes which are short, 
are greatly thickened, and do not reach beyond the level 
of the eyes. The mandibles have three teeth (not 7). The 
sculpture is almost absent, the whole body being very 
smooth. 
Dr. Brown has compared the ant with types of mirabilis 
in the Wheeler Collection, and assures me there is every 
reason to consider it a new form. He states : “I am practi- 
cally certain that no species of this subgenus has been de- 
scribed since the end of the war (1945 on). It should be 
described as new, since Myrmostenus , whether or not it is 
the female of some other subgenus, is very little known, and 
not recorded outside South America so far as I can tell.” 
References 
Emery, C. 
1911. Fragments myrmecologiques. \nn Soc. Ent. Belg. 55: 213-225. 
1925. Genera Insectorum. Fasc. 183. Subfam. Formicinae. 
