A Monograph of the Formicidae of South Africa. 205 



(10). 11. Dorsum of epinotum not very deeply excavated. Yellowish brown, 

 2"4 mm. long ; posterior angles of the head considerably rounded. 



(Salamonis L.), race subopacum, Smith. 

 (9). 12. Dorsum of epinotum not excavated, but flat or convex. 

 (16). 13. Black or brownish species. 



(15). 14. 3 - 5 mm. long. Entirely black; 1st node, seen from above, conical, 

 longer than wide, the pediincle half as long as the node. 



(albopilosum, Emery), var. Tholes, Forel. 

 (14). 15. 3 mm. long. Dark brown, head paler brown; 1st node less conical, 

 more wedge-shaped, not longer than wide, the peduncle very short. 



(Salamonis L.), race Junodi, Forel. 

 (13). 16. Head and thorax bright yellowish red ; abdomen brownish. 



(bicolor, Emery), var. nitidiventris, Emery. 

 (8). 17. Head very finely sculptured, more or less mimitely longitudinally 

 striato-punctate, or reticulate. 

 (21). 18. Colour pale. 



(20). 19. Head and thorax brownish yellow. Scape not reaching the hind 

 margin of the head by the length of the eye. 



(Salamonis L.), var. Uiserta, Forel. 



(19). 20. Head and thorax bright yellow. Scape reaching the hind margin of 



the head ....... Pharaonis L. 



(18). 21. Colour dark. 



(23). 22. A median ocellus fairly well defined ; larger species, 3 - 3-38 mm. 



(Salamonis L.), race australis, Emery. 

 (22). 23. No trace of ocelli. 

 (25). 24. Thorax strongly constricted at the meso-epinotal suture, 2'2 mm. 



(setuliferum, Forel), var. notula, Forel. 

 (24). 25. Thorax not strongly constricted at the meso-epinotal suture. 

 (27). 26. Abdomen with a bluish, sub-metallic reflection. 1st node conical. 

 2"8-3'4 mm. long . . (Salamonis L.), var. opacior, Forel. 



(26). 27. Abdomen without any bluish reflection. 1st node more wedge-shaped, 

 3 mm. long. 

 (Salamonis L., race delagoensis, Forel), var. graliamstownensis, Forel. 

 (5). 28. Head and thorax, and usually also the abdomen, smooth and shining. 

 (36). 29. Entirely black, or dark brown species. 



(31). 30. Very small species, less than 2 mm. . . minutum, Mayr. 



(30). 31. Larger species, 2 - 7 mm. and more. 

 (33). 32. Large stout species, 3"7-4 mm. Sides of head very convex. 



Tchelichofi, Forel. 

 (32). 33. More slender species, sides of head not very convex. 

 (35). 34. 3 mm. long. 



(Salamonis L., race herero, Forel), var. willowmorensis, Forel. 

 (34). 35. 2 - 6 mm. long. . (Salamonis L., race Herero), var. belli, Forel. 



(29). 36. Yellow, reddish yellow or yellowish brown species, at least in part. 

 (38). 37. Polymorphic species, the £ £ varying from 1*8 to 4 mm. 



(amblyojjs, Emery), race bulawayense, Forel. 

 (37). 38. Monomorphic species. 

 (40). 39. Second node twice as wide as long. 



(Oscaris, Forel, race springvalense, Forel), var. paterna, Forel. 



