212 APPENDIX. 



joint long 1 , slender, green ; second cup-shaped ; third and fourth 

 very small ; fifth and following joints very short; club oval, much 

 broader than the tenth joint and more than twice its length : chest 

 oval, dark green with a blue tinge : fore-chest very short ; its length 

 above not more than one-tenth of its breadth ; shield of the mid- 

 chest flat; sutures of the parapsides very indistinct; axilUe parted 

 by about one- fourth of the breadth of the chest ; scutcheon sub- 

 rhomboidal : hind-chest of moderate size, obconical, declining, with 

 a suture on each side : petiole piceous, very short : abdomen nearly 

 oval, smooth, purplish black, dark bluish green at the base, de- 

 pressed above, slightly keeled beneath, a little shorter and narrower 

 than the chest ; metapodeon occupying less than half of the back ; 

 octoon and two following segments of moderate size ; the other 

 segments very short : legs pale tawny ; hips dark green ; thighs 

 and shanks of four hinder-feet slightly piceous ; middle-feet and 

 hind-feet yellow with brown tips: wings colourless; veins pale 

 tawny ; ulna full half the length of the humerus ; radius longer 

 than the ulna ; cubitus much shorter than the ulna ; wing-brand 

 small. Length of the body J line ; of the wings 1 J line. 



PTEROMALUS Alope. Fern. Purpureo-niger, abdomine viridi- 

 vario, antennis nigris^ pedibus piceis, alls subfuscis. Page 

 127. 



Head and chest convex, finely shagreened, black with a slight 

 purple tinge : head not broader than the chest : eyes and eyelets 

 piceous : feelers black : chest short-elliptical : fore-chest very short ; 

 its length above not more than one-tenth of its breadth ; hind-border 

 hardly concave : sutures of the parapsides indistinct ; axillae 

 parted by nearly one-fifth of the breadth of the chest ; scutcheon 

 subrhomboidal : hind-chest of moderate size, nearly obconical, de- 

 clining, with a ridge along the middle and a rim on each side : pe- 

 tiole very short : abdomen nearly elliptical, smooth, dark purple 

 slightly tinged with green, depressed above, keeled beneath, a little 

 broader but not longer than the chest ; metapodeon nearly half the 

 length of the back ; octoon and following segments short : legs pi- 

 ceous ; hips black : wings pale brown ; veins pale brown ; ulna not 

 more than half the length of the humerus ; radius longer than the 

 ulna ; cubitus more than half the length of the ulna ; wing-brand 

 small. Length of the body J line ; of the wings 1 J line. 



