264 Mr. J. O. Westwood on the 



extremely slender and filiform, 40-jointed ; the first and second 

 joints large ; the third and following very small, rather longer 

 than wide ; terminal joint oval, not larger than the preceding 

 joint. Prothorax about 2h times the length of the head ; sides 

 brownish chesnut, transversely very rugose, except in the anterior 

 dilated part; remainder of the thorax and abdomen slightly varied 

 with brown ; beneath luteous. Fore legs luteous buff; spines of 

 the femora very short and black, except the first large one, which 

 is buff, and placed near the base ; tarsi terminated by two minute, 

 distinct, curved, simple ungues, and a moderate sized pulvillus. 

 Four hind legs luteous buff; tarsi terminated by large, simple, 

 very acute curved ungues ; pulvillus broad. Wings broad, almost 

 colourless; stigma brunneous ; veins pale buff, dotted with black, 

 each wing with eleven oblique, nearly straight, greatly elongated 

 cells dependent on the ordinary radial sectors ; nearly every cell 

 divided in the middle by a transverse veinlet, forming a double 

 row of cells. 



39. M. 4>-tubercula(a, West. Brunneo-fulva, flavo nigroque 

 varia, antennis brevissimis, 32 -articulatis, pronoto carina trans- 

 versa ante alteraque pone medium alarum, stigmate venisque 

 subcostalibus fulvis, nubilaque apicali fusca. Tab. 18, fig. 1. 



Long. corp. lin. 5 — 9 ; expans. alar, antic. 11 — 17. 



Habitat Northern India. Mus. W. W. Saunders. 



This is a very elegant species, nearly allied to M. auriventris of 

 Guerin-Meneville. The head is bright yellow, nearly flat on the 

 crown, slightly impressed on each side at the base of the antennae; 

 the clypeus and a transverse line beneath the base of the antennae 

 black, and a transverse brown bar across the top of the head ; 

 labrum nearly circular ; palpi fulvous ; antennae scarcely more 

 than one and a half limes the length of the head, thick, fulvous, basal 

 joint yellow, moderate sized ; second joint small, scarcely larger 

 than the third ; remaining joints, especially beyond the middle, 

 very short and transverse. Prothorax dark fulvous, deeply trans- 

 versely sulcated, forming a more strongly-marked carina before 

 and another behind the middle ; anterior part semicircularly di- 

 lated in front, yellow, with the anterior margin black, and a brun- 

 neous transverse fascia at its hinder part ; meso- and metathorax 

 dark fulvous, with the scutella yellow. Abdomen above with the 

 basal half dark fulvous, the remaining half bright yellow ; the 

 second and third joints with a broad black hind margin ; sides of 

 the abdomen yellow ; the three terminal segments blackish ; be- 

 neath dark fulvous ; fore legs dark fulvous ; femur yellow on the 

 outside, dark brown on the inside ; large spine yellow, placed 



