1889.] 



of the Maniodean Subfamilij Vatidos. 



309 



Organs of flight coloured. Tegmina : the veinlets of tlie marginal 

 field long and very oblique and rarely branched and anastomosed so as to 

 form a reticulum with very long and narrow meshes, posterior radial sim- 

 ple, anterior prong of anterior ulnar c? 2-branched, 9 1-branched, posterior 

 pi'ong (? 2-branohed, 9 3-brancbed, dividons not quite reaching the 

 margin, plicate vein I'eaching the margin, but sending its two branches 

 through the anal gusset, which is hence venose, all the veins straight and 

 much more oblique than in the preceding genus. Wings with the an- 

 terior area narrow and the anterior ulnar simple. 



Forelegs of the same proportions is in the preceding ; the ooxce above 

 dejiressed and unai-med ; femora armed below on the outer edge with 4s 

 spines (order of length 2, 1, 3, 4), on the inner edge with 13 or 14 alter- 

 nately shorter and longer (up to the 10th, which is followed by 2 or 3 

 short ones, the series being completed in each case by one which is 

 somewhat longer than any of the rest), and on the disk with 4 ; tibiaa 

 blunt roof-shaped. Posterior legs without foliaceous lobes, but provided 

 with genicular spines ; lateral genicular lobes of feebly 4-cristate femora 

 short or acuminately produced ; tibife filiform, terete above, feebly bi- 

 cristate below ; 1st joint of tarsus not longer then the next two taken 

 together. 



Distribution. — Indian sub-region of the Oriental Hegion. 



8. Heterochj:t0la tricolor, W.-M. 



Heterochccta tricolnr, Wood-Mason, Ann. & Mag. Nat. Hist. 187G, vol xviii, ser. 4, 

 p. 441, S. 



Hab. — 9 , Calcutta, Bengal (type) ; c? 9 , Khurda, Orissa (var.). 



9. HETEEOCHiETnLA. FISSISPINIS, n. Sp. 



Ripe Nymph. Corneal spines bifid. Submedian lobes of vertex 

 conically or triangularly prolonged above the median so as to form an 

 occipital concavity for the reception of the rounded anterior end of the 

 pronotum. Anterior femora triangularly produced in the mid dorsal 

 line over the knee joint, with the last long spine of their lower and 

 inner margin preceded by three shorter ones. Lateral genicular lobes 

 of the four posterior femora acuminately produced, especially in the 

 anterior pair, in which they are twice the length of those of the 

 posterior pair. Tip of abdomen broken off. 



Length of isronotum 14 millims., of which the anterior and posterior 

 lobes are respectively 3'75 and 10'25 ; of anterior coxa 6'6G, femur 8. 



Hab. — Bangalore, Mysore. 



