366 Mr. J. Wood-Mason on Phyllotlielys. 



(^ . Horn rndimentary. 



? . Horn well-developed, tapering very slightly and gradu- 

 ally from its base to its truncated apex, which is divided by 

 an angular notch into two points, with the edges of its folia- 

 ceous expansions entire. 



(^ ? . Axillary or plicate vein of tegmina 1-branched. 

 Discoidal or anterior ulnar vein of wings 2-branched. 



Hah. Sibsagur and Cachar districts, Assam ; Buxa, Bhu- 

 tan ; Upper Tenasserim ; and Mergui. 



2. PhyUothelys taprohance^ n. sp. (Fig. 1, p. 368.) 



^ . Unknown. 



? . Protuberance of vertex simple, without lateral lobes ; 

 horn long-lanceolate, with its edges minutely notched, the 

 teeth formed by the notches appearing to be the free ends of 

 obscure branch-like thickenings which pass off from the 

 primitive horn, as in the following species. 



Organs of flight of the same proportions and structure and 

 of much the same colour as in the preceding, differing only 

 in details ; the tegmina having the space intervening between 

 the radial veins and the dark mottling of the disk opaque, 

 whity brown ; the wings, their very bases, their anterior mar- 

 gin from the base to rather beyond the middle, their longitu- 

 dinal veins for varying distances from the base, and their 

 transverse vcinlets to within a short distance of the apex in 

 both areas yellow or yellow-brown, the last-named being in 

 addition very narrowly lined with hyaline on both sides. 

 Axillary or plicate vein of tegmina 2-branched ; discoidal or 

 anterior ulnar vein of wings 1-branched, 



The legs differ only in matters of minute detail from those 

 of the preceding species ; owing to the dark marbling being 

 more developed the yellow marks on the inside of the fore 

 femora are smaller ; the fore tibise are armed on the outside 

 with 16 and 17 teeth and on the inside with 16 and 16 ; tlie 

 free margins of the foliaceous lobes of the four posterior 

 femora are minutely and tlecreasingly from the base denticu- 

 late, with a single seta inserted in the distal side of each 

 denticle. 



Total length, from apex of horn to apex of abdomen, 73 

 millim. ; height of head 17, of which the horn is 12*75 ; 

 length of pronotum 27, of which the anterior and posterior 

 lobes are respectively 5*75 and 21*25; length of tegmina 30, 

 breadth 6'5 ; length of wings 26, breadth 14 ; length of 

 abdomen 24 ; length of fore coxa 15, femur 16*5. 



Ilab. Ceylon. Collected by Mr. A. P. Green, of Colombo. 



