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Subfamily Myrmicinae 



9. — Pseudomyrma gracilis Fabr. var. bicolor Guérin. 



A singip. worker from Cuernavaca in Morelos. 



10 — Pseudomyrma gracilis var. mexicaua Emery. 



A single small Avorker from Orizaba. 



11. — Pseadomyrma flayidula F. Smith. 



One worker from Jalapa. It lacks the usual black spots on 

 the base of the gaster. 



12. — Solenopsis geminata Fabr. 



A few workers from Jalapa belong to the typical dark form 

 of this species. 



13. — Solenopsis geminata var. diabola Wheeler. 



Many workers and winged females from San Francisco in 

 Vera Cruz, and Jalapa. 



14. — Pheidole yasliti Pergande var. hirtnla Forel. 



Soldiers, intermediates, workers and winged females from 

 the state of Mexico. The females measure about 8 mm. and are 

 black, with reddish-brown mandibles, antenn£e and legs; scapes 

 and middle portions of femora darker. Wings longs (10 mm), yel- 

 lowish, with pale brown veins and stigma. The long hairs on the 

 body are much sparser than in the soldier Head subopaque, lon- 

 gitudinally reticulate rugose; thorax and gaster shining, the pleu 

 rae of the former subopaque and longitudinally rugose, the lat 

 ter finely and sparsely punctate, Petiole and postpetiole opaque, 

 the former and the epinotum longitudinally rugose. Epinotal 

 spines stout and blunt. 



