202 APPENDIX. 



length of the humerus ; radius a little shorter than the ulna ; cubi- 

 tus much shorter than the radius; wing-brand small, brown. 

 Length of the body 1^ line ; of the wings 2 lines. 



PTEROMALUS Otos. Fern. Viridis, abdomine cupreo-purpureo, 

 antennis nigrit, pedibusfulvis, femoribus viridibus, alls sub- 

 fulvis. Page 126. 



Head and chest dark green, convex, finely shagreened : head 

 large, broader than the chest : eyes and eyelets dark red : feelers 

 black, clavate, nearly as long as the chest ; first joint long, slender, 

 tawny, black towards the tip ; second cup-shaped ; third and fourth 

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

 successively decreasing in length ; club short, nearly conical, 

 broader than the tenth joint and about twice its length : chest oval : 

 fore-chest very short; its length not more than one-tenth of its 

 breadth ; sutures of the parapsides very indistinct ; axillae parted 

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

 rhomboidal, having a suture along each side, and a slight trace of a 

 cross furrow near its tip : hind-chest rather large, obconical, slightly 

 declining, with a ridge along the middle and a rim on each side : 

 petiole very short : abdomen oval, smooth, coppery-purple, bright 

 green at the base, flat above, keeled beneath, shorter and a little 

 broader than the chest ; metapodeon occupying full one-fourth of 

 the back ; octoon and all the following segments of moderate and 

 nearly equal size : legs tawny ; hips and thighs green ; tips of the 

 latter tawny ; middle-feet and hind-feet yellow with brown tips : 

 wings with a slight tawny tinge ; veins tawny ; ulna about half the 

 length of the humerus ; radius a little shorter than the ulna ; cubi- 

 tus shorter than the radius ; wing-brand very small. Length of the 

 body 1 J line ; of the wings 2 lines. 



PTEROMALUS Carma. Fern. Viridis, abdominis disco purpu- 

 reo, antennis fulvis, pedibus flavo-fulvis, femoribus basi pi- 

 ceis, alls limpidis. Page 126. 



Bright green : head and chest convex, finely shagreened : 

 head a little broader than the chest : eyes and eyelets red : feelers 

 dark tawny, filiform, hardly longer than the chest ; first joint long, 

 slender, yeUow, piceous towards the tip ; second cup-shaped ; third 

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

 tenth equal in size and rather broader than long; club spindle- 

 shaped, thrice the length of the tenth joint : chest nearly elliptical : 

 fore-chest very short ; its length above less than one- tenth of its 



