1S70.1 2G3 



9. JuvENis, Eond. 



G-rey, striped and tessellated in the ordinary manner. Style with 

 long hairs. Costal spine large. Posterior tibite of J* ciliated, with a 

 few long hairs on their inner sides. Length, 3 lines. 



Head : frontal space in breadth about one-fourth of the width of the head. Buccal 

 setae small, arista with long hairs. 



Thorax with three posterior dorsal bristles. 



Abdomen with two central spines on second segment. Anal segments of <J both shining 

 black. Whigs with a long costal spine. Fifth longitudinal vein bent at an obtuse angle. 

 Legs : posterior tibia3 furnished on their inner sides with a few long hairs. 



I have seen but one ^ of this rare species, which is in Mr. Verrall's 

 collection. 



10. Clatheata, Meig., Rond. 



Blue-grey. Abdomen marked with three longitudinal black lines. 

 Prontal space narrow. Hind tibiao of (J with a few longish hairs. 



Length, 2| lines. 



Head : breadth of frontal space not more than one-sixth of the width of the head. 

 Style with moderately long hairs. 



Thoraj: rather indistinctly striped. Three dorsal bristles behind the suture. 



Abdomen with the second segment armed with two spines in the centre. First segment 

 black, the three others pale grey, marked with three continuous longitudinal black lines, 

 which are expanded but not broken at the posterior edges of the segments, so as to give 

 somewhat the appearance of a series of connected triangular spots. First anal segment of 

 iJ gre}', second black. Legs : posterior tibiae of <J with a few straggling longish hairs on 

 their inner sides. 



? said to resemble the <J . 



This small species bears a very close resemblance to S. dissimilis 

 (No. 14), but may at once be distinguished from it by the absence of 

 teeth upon the second longitudinal vein of the wings. Eare. I have 

 one (J in my own collection. 



11. Adolescens, Eond. 



Grey. Thorax and abdomen marked in the ordinary manner. 

 Second abdominal segment w ithout central spines. Posterior tibiae of 

 ^ thickly clothed with soft short hairs. Length, 3 lines. 



Head : frontal space about one-fourth of the width of the head. 



Thorax with three posterior dorsal bristles. 



Abdomen tessellated in the ordinary manner, and without central spines upon the edge 

 of the second segment. Wings with costal spine small. Legs with the posterior tibiae of 

 <J lined along the lower two-thirds of their inner surfaces with short soft hairs. 



? unknown. 



Eare. There is one cJ in Mr. Verrall's collection, taken at 

 Folkestone. 



