286 bulletin: museum of comparative zoology. 



above. Epinotum as broad in front aS behind, one and a half times longer 

 than broad; basal surface flat. Petiole very little broader than long, evenly 

 rounded in front and at sides; posterior border straight; node in profile, 

 higher than long, rounded above, declivous behind and nearly so in front; the 

 anteroventral spine large. First gastric segment broader than long and 

 noticeably shorter than the second. Legs slender. 



Head sublucid, the front and vertex with coarse, sinuous carinae, and the 

 spaces between those with coarse, foveolate punctures; sides foveolate, the 

 interspaces smooth and shining. Clypeus bicarinate and finely punctate. 

 Mandibles sublucid; coarsely but shallowly punctured. Antennae more 

 finely punctate. Thorax shining, sparsely punctate, the punctures foveate, 

 but more shallow than those of the head. Petiole and gastric segments 

 punctate even more sparsely and shallowly. Metapleurae transversely striate 

 apically. Legs shining, with sparse punctation. 



Head and body with fine erect hairs. 



Color dark brown; antennae and legs lighter. 



Ysabel : Fulakora. 



Described from several workers taken from a colony beneath a stone. 

 Type.— M.C.Z. 9,154:. 



Key. 



Length 6 mm. Mesonotum strongly striate; petiole in profile longer than 

 high albiclava Mann. 



Length 3 mm. Mesonotum not striate; petiole in profile not longer than 



high 1 . 



1. Last four funicular joints white; promesonotal suture stronger; pro- 

 thorax smooth and shining; anterior face of petiolar node shorter than 

 dorsal surface and broadly rounding into it lucida Mann. 



Antennae unicolored; promesonotal suture weaker; prothorax heavily 

 punctate; anterior face of petiolar node longer than dorsal surface and 

 narrowly rounding into it crenaticeps Mann . 



12a. Rhytidoponera (Rhytidoponera) araneoides Le Guillou, 



var. froggatti Forel. 



Rev. Suisse zool., 1910, 18, p. 10, t^ . 



Male. Length 7-8 mm. 



Head, longer than broad, as broad in front as behind, with rounded occiput. 

 Eyes and ocelli very large and convex; cheeks a fifth as long as eye. Clypeus 



