APPENDIX. 199 



fourth very small ; the following joints from the fifth to the tenth 

 short and successively decreasing in length ; club elliptical, pointed 

 at the tip, longer than the tenth joint and nearly thrice its length : 

 chest elliptical : fore-chest extremely short ; its length less than 

 one-tenth of its breadth : shield of the middle-chest short ; sutures 

 of the parapsides very indistinct; axillae parted by one-third of the 

 breadth of the chest ; scutcheon subrhomboidal : hind-chest short : 

 petiole very short: abdomen short-elliptical, smooth, green, de- 

 pressed above, very slightly keeled beneath, much shorter but 

 hardly narrower than the chest ; disk dark purple ; metapodeon oc- 

 cupying full one-third of the back ; the following segments succes- 

 sively decreasing in length : legs pale red ; hips brassy ; tips of 

 feet piceous : wings narrow, taw r ny ; veins dark tawny ; ulna more 

 than half the length of the humerus ; radius a little shorter than 

 the ulna; cubitus nearly as long as the radius; wing-brand very 

 small. Length of the body | line ; of the wings Ij line. 



Pteromaltjs Lasta. Fern. Viridis, ahdomine purpurea ban 

 cupreo, antennis fuscis, pedibus fulvis, femoribus ceneis, alls 

 limpidis. Page 125. 



Body rather narrow : head and chest green, finely shagreened : 

 head rather short, a little broader than the chest ; crown and front 

 broad : eyes and eyelets red, the former rather small : feelers 

 brown, clavate, rather slender, much shorter than the chest ; first 

 joint tawny, slender, very long, hardly shorter than all the following 

 joints together ; second long cup-shaped ; third and fourth very 

 small; the following joints from the fifth to the tenth very short; 

 club elliptical, pointed at the tip, and nearly thrice the length of 

 the tenth joint : chest nearly linear, conical in front, flat above : 

 fore-chest of moderate size, narrower in front ; its breadth slightly 

 exceeding its length : shield of the middle-chest broader than long*; 

 sutures of the parapsides very distinct on each side, but almost ob- 

 solete before they reach the hind-border; axillas parted by one- 

 third of the breadth of the chest ; scutcheon purple, nearly truncate- 

 conical, of moderate size, green along the hind-border : hind-chest 

 rather large, short-obconical, nearly flat or veiy slightly declining, 

 with an impression on each side of the fore-border : petiole very 

 short : abdomen elliptical, smooth, purple, coppery at the base, de- 

 pressed above, hardly keeled beneath, a little broader but not longer 

 than the chest : legs tawny ; hips and thighs brassy ; mid-feet and 

 hind-feet yellow with tawny tips : wings colourless, rather narrow 

 and short ; veins pale yellow ; ulna more than half the length of 



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