134 Mr. W. C. Ciiwvloy o/i 



xindcrncath with a small sharp tootli. Postpctiole broader 

 than the petiole, and l)r()a(ler than long, broadest at its 

 sharply inar^inate anterior two-thirds of the sides, narrow- 

 ing abrnptly behind the niarginate portion ; on the side is a 

 long concavity similar to that in singularis. A deep con- 

 striction between the postpctiole and first segment of gaster, 

 which are approximately equal iu breadth. ]\vgidium 

 truncate. 



^Mandibles closely and coarsely punctured. Head with a 

 few sliallow irregular punctures on the vertex and occiput; 

 petiole and postpctiole densely and finely punctured. First 

 segment of gaster with a few piligerous i)oints. In addition 

 the whole body has a fine reticulate ground-sculpture. 



Scattered erect hairs on head, mandibles, legs, and an- 

 tennie ; thorax almost bare except for a row along the 

 carina between the two divisions of the cpiuotum ; petiole, 

 postpctiole, and gaster covered with long stiti hairs, slightly 

 lighter in colour than the body ; a thin adherent pubescence 

 on petiole and postpctiole. 



Darlington, W. Australia [Clark, no. 9). Small colony 

 under stone. 



Type W. C. C. coll. 



Leptogenys {Lohopelta) nenfralis, For. ^ ? . 

 ? (hitherto undescribed). Length 7*0 mm. 



Larger and more robust than the ^ . Head as broad as 

 long (longer than broad in 5^ ). Thorax similar to that of 

 the 5 , but mesonotum longer ; metanotum distinct ; epi- 

 notum shorter, forming a regular curve, the base shorter 

 than the declivity (the reverse is the case in the $ ). Petiole 

 different ; from above the node is shorter than broad, twice 

 as wide behind as in front, the posterior border straight or 

 feebly concave (in the ^ the node is longer than broad) ; in 

 profile it is straight in front and behind, somewhat higher 

 behind ; the posterior face plane. jNTandiblcs similar, with 

 a long apical tooth and three exceedingly small teetii along 

 the masticatory border. Gaster very large, nearly half the 

 length of tlie total body. 



lilack, shining; mandibles, articulations of antennrc, end 

 of scape and the whole funiculus, the tarsi, the articulations 

 of tiu: legs, and the apex of gaster castaneons. 



Mundaring Weir, W. Australia (^Clai'k, nos. L3, 41). 



'I'ype in W. C. C. coll. 



Rhytidoponera convexa, Mayr, race violncea, For., 

 var. suiiuMBRATA, nov. 

 5 . Entirely dark russet-brown, the gaster sometimes 



