266 



WHEELER. 



Freunde Berlin, 1911, p. 368 ^ ; Emery, Genera Insect. Fasc. 137. 

 1912, p. 16, PI. 1, Fig. 4. 



Leptomyrmex crythroccphalus! Emery, Mem. Accad. Sei. Bologna 

 (5) 1, 1891, p. 578 cf , PI. 2, Fig. 23. 



Worker. Length 9-10 mm. 



Head, excluding the mandibles, twice as long as broad, with the 

 eyes half way between its posterior border and the anterior border of 



Figure 5. a. Leptomyrmex erythrocephalus Fabricius. Worker with gaster 

 in position in which it is usually carried; h. head of same from above. 



the cheeks, its sides straight and parallel in front of the eyes, behind 

 them suddenly narrowing but slightly convex to the short, very feebly 

 excised occipital border. Mandibles rather long, with about 20 small, 

 crowded and irregular teeth on the apical and several more indistinct 

 teeth on the basal border. Clypeus bluntly carinate behind, its 

 anterior border feebly emarginate or nearly straight in the middle. 

 Antennfe slender, scapes surpassing the head by about | of their length. 



