MANN: THE ANTS OF BRAZIL. 447 
112. Solenopsis picea Emery var. subadpressa Forel. 
This variety, somewhat larger than the typical Costa Rican form, 
was described by Forel from specimens collected by Sr. Diaz da Rocha 
at Ceara. Specimens which agree well with cotypes in the Wheeler 
collection were taken at Porto Velho, Abundé, and Madeira-Mamoré 
R. R. Co. Camp 339. 
113. Solenopsis globularia (F. Smith). 
One colony with numerous workers and females was found at Natal. 
The large size and globular shape of the postpetiole distinguish this 
from related species. 
114. Solenopsis subtilis Emery. 
One small colony was taken at Manaos. 
115. Solenopsis geminata (Fabricius). 
Colonies of the typical form of this widely distributed species were 
found at Natal, Independencia, Baixa Verde, Itacoatiara, Manaos, 
and Porto Velho. 
116. Solenopsis geminata (Fabricius) subsp. medusa, subsp. nov. 
Plate 4, fig. 31. 
In a number of colonies from Cearé-Mirim and the Maranguapé 
mountains the largest headed of the soldiers differ from those of 
typical S. geminata in having the sides of head at the anterior corners 
broadly expanded, as shown in Plate 4, fig. 31. 
I can detect no character in the smaller soldiers and workers that 
will distinguish them from the same phases of S. geminata, but the 
difference between the largest soldiers is striking and constant and 
seems to be of subspecific value. It is probably a local race, limited 
to the east coastal region of Brazil. 
117. Solenopsis saevissima (F. Smith). 
Very abundant at Parad, Itacoatiara, and Manaos in Brazil and at 
Abuna, Bolivia. There can be no doubt that this species is the one 
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