92 



rORMlCID.T:. 



same length as the iuner margin or a little longer, the apical 

 tooth cur\'ed, acute ; clypeus very narrow, with a short, square, 

 slightly-produced median lohe, and having a median, very short 

 carina or tubercle ; antennal ciirina? short, laminate, covering the 

 bases ot" the autennce ; antennae 12-jointed, the scape and flagellum 

 sHghtly incrassate towards their apex ; eyes small, placed rather 

 to the front and \Aell forward towards the anterior margin of the 

 head ; ocelli absent. Thorax broad, convex in front, compressed 

 posteriorly, the pro-meso- and meso-metanotal sutures both 

 distinct ; the basal portion of the metanotum short, not longer 

 tlian the apical portion, the latter obliquely truncate ; legs short 

 and stout, the intermediate and posterior tibiae with paired calcaria, 

 the anterior calcaria on all the tibia? simple, the posterior pectinate ; 

 the tibia) and the basal joint of the tarsi of interm.ediate legs 

 studded with spines. Pedicel one-jointed, the node convex in front, 

 concave posteriorly, viewed from the side cuneiform, thick at base, 

 with a dentiform process beneath ; abdomen rather massive, cylin- 

 drical, the basal segment anteriorly truncate, slightly concave, the 

 constriction bet\\"een the basal two segments not well marked. 

 Two s])ecies only of this genus are known from within our limits. 



Keif to the Species. 



a. Mandibles with a distinct masticatory margin 



and 7 unequal teeth P. darwini, p. 93. 



b. Mandibles with the masticatory margin not so 



distinct, and only 4 or 5 unequal teeth .... P. tmib/t/ojia, p. 92. 



113. Pseildoponera amblyops, Emenj (Ponera), Ann. Mus. Civ. Gen. 

 XXV (1887 ), p. 4;i4, ^ ; id. (Pachychondyla, mbgen. Pseudoponera), 

 Ann. Hoc. Ent. Behj. xlv (1901), p. 42. 

 Pelonopelta amblyops, Forel, Jvur. Bomb. N. H. Soc. xiii (19C0), 



p. -.mx 



^ . Somewhat silky brownish yellow all over, covered with 

 fairly abundant erect pale hairs, and a tine sericeous golden 



'^r^ 



Fig. 47. — Pseudoponera amhlj/ops. a. Head Ironi front. 



pubescence, dense on the front of the head and the antenna? and 

 legs. Head and thorax very finely and densely punctured, opaque; 

 node of the pedicel as finely but not so closely punctured, 



