Manchester Memoirs, Vol. xliii. (1899), No.'^. 93 



into one oblique keel at the apex ; there are four distinct 

 arese ; the central basal one triangular at the base ; the 

 apical central is nearly square, with an indistinct keel in 

 its middle ; the basal lateral one is twice as broad as its 

 length ; the apical nearly square ; the apex of the segment is 

 sharply oblique ; in its centre is a large area which reaches 

 near to the apex of the segment ; it is longer than its width 

 and rounded at its apex. Pro- and meso-pleurae shining, 

 impunctate ; the metapieurae obscurely punctured ; thickly 

 covered with long, white hair ; at the base, on the lower 

 side, are two large keels forming nearly a triangle. Legs 

 coloured like the thorax, thickly covered with white hair ; 

 the apex of the hinder tibiae and the hinder tarsi deep 

 black. Wings deep fuliginous, shining ; the base of stigma 

 broadly pallid luteous ; the base of the first cubital cellule 

 and a curved elongated line reaching from shortly beyond 

 the top of the recurrent nervure to the middle of the second 

 cubital cellule and with an oblique broader branch issuing 

 from it on the outer side of the recurrent nervure, hyaline. 

 The cubital nervure is interrupted by a bulla on either 

 side of the transverse cubital nervure. Abdomen shining ; 

 the ventral surface at the base pallid yellow ; the apex 

 with a few longish hairs. 



Agathis fuliginosa, sp. nov. 



Nigra ; alis fuliginosis, nervis stigmateque fuscis. ? . 



Long. 8 mm. 



Antennae black ; the scape shining, sparsely punctured 

 and sparsely covered with short, black hair; the flagellum 

 opaque, thickly covered with a close, microscopic down. 

 Head shining, impunctate ; the face thickly covered with 

 short, black hair ; the clypeus sparsely with longer, paler 

 hair ; front depressed, very smooth and shining ; from the 

 upper side of the front ocellus runs a thick, curved keel. 



