278 WHEELER. 



13. Leptomyrmex pallens var. geniculatus Emery. 



Emery, in Sarasin and Roux, Nova Caledonia, Zooi. 1, 1914, p. 

 418, y . 



W^orker. Differing from the typical form in color, the body being 

 pale rufotestaceous, except the two first segments of the gaster and the 

 distal halves of the femora, which are black. 



New Caledonia: Tchalabel, Coula-Boreare (Sarasin and Roux). 



I have examined a cotype of this variety kindly sent me by Prof. 

 Emery. 



14. Leptomyrmex pallens var. nigriceps Emery. 



Emery, in Sarasin and Roux, Nova Caledonia, Zool. 1, 1914, p. 

 418, U . 



Worker. Head, except the mandibles, and the whole gaster black; 

 remainder of body and appendages rufotestaceous. 



Neic Caledonia: La Madelaine (Sarasin and Roux). 



Emery states that this variet}^ makes its nests under stones and that 

 Roux found "individuals having the gaster distended with a trans- 

 parent liquid," in other words, repletes. 



15. Leptomyrmex varians Emery, 



L. varians Emery, Ann. Soc. Ent. Belg. 39, 1895, p. 351, 352, ^ Fig. ; 

 Froggatt, Agric. Gaz. N. S. W., Sept., 1905, p. 23; Emery, Genera 

 Insect. Fasc. 137, 1912, p. 17. 



L. erythrocephalus Mayr (in part.) Journ. Mus. Godeffroy, 12, 1876, 

 p. 77. 



Worker. Length 8.5-10 mm. 



Head, excluding the mandibles, fully twice as long as broad; the 

 sides in front of the eyes nearly straight and parallel, behind the eyes 

 rapidly contracting to the narrow straight occipital margin, just in 

 front of which on each side, the border is concave. Eyes rather small 

 and convex, half way between the anterior border of the cheeks and 

 the occipital border. Antenntv very slender, scapes terete, extending 

 somewhat less than § their length beyond the posterior border of the 

 head. Pronotum slightly more than 1| times as long as broad. 

 Epinotum in profile with concave base, about twice as long as the 



