168 



bulletin: museum of comparative zoology. 



4. Aphaenogaster {Deromyrma) -phillipsi, sp. nov. (Fig. 1). 



Worker. Length 6-6.8 mm. 



Very slender. Head twice as long as broad, with the rather small 

 but convex eyes well in front of the middle of its sides; cheeks sub- 

 parallel, distinctly convex, postocular borders of head straight and 

 gradually converging to the occipital border, which has a strongly 

 reflexed margin and is only about half as broad as the distance between 

 the eyes. In profile the upper surface of the head is convex anteriorly, 

 the gular surface flat. Mandibles with slightly concave external 

 borders, three stout apical teeth and several basal denticles. Clypeus 

 flat and subcarinate, the middle of its anterior border broadly and 



Fig. 1. Aphaenogaster {Deromyrma) phillipsi, sp. nov. Body of ijporker in profile; 

 head of sEtme from above. 



sinuately excised. Frontal area impressed, distinct, with a median 

 cannula. Frontal carinae approximated and parallel behind. An- 

 tennae very slender, the scapes surpassing the occipitaF margin by 

 about § their length; funiculus without a club, its joints very slender, 

 the second, third, and terminal longest. Thorax slender, pro- and 

 mesonotum subequal, the former in profile feebly convex, the latter 

 sloping, slightly concave in the middle and with a small but distinct 

 convexity in front just behind the promesonotal suture. Mesoepinotal 

 constriction abrupt, short and moderately deep. Epinotum in profile 

 about 1| times as long as high, its base convex in profile and twice as 



