190 APPENDIX. 



with a ridge along the middle and a rim on each side : petiole very 

 short : abdomen spindle-shaped, smooth, depressed above, hardly 

 keeled beneath, much narrower and a little longer than the chest ; 

 metapodeon occupying nearly half the back; octoon and following 

 segments short and of nearly equal length : legs tawny ; hips green; 

 four hinder-feet yellow with brown tips : wings colourless ; veins 

 pale tawny ; ulna nearly half the length of the humerus ; radius 

 much longer than the ulna ; cubitus a little shorter than the ulna ; 

 wing-brand pale brown, very small. Length of the body J line ; of 

 the wings 1^ line. 



PTEROMALUS Berecynthos. Mas. Cyaneo-viridis, abdominis 

 disco purpureo-cuprto, antennisfulvis, pedibus luteis, alls sub- 

 fulvis. Page 121. 



Head and chest convex, finely shagreened : head bright blue, 

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

 subclavate, not longer than the chest ; first joint long, slender, lu- 

 teous ; second cup-shaped ; third and fourth very small ; the fol- 

 lowing joints to the tenth successively decreasing in length; club 

 at the tip a little broader than the tenth joint and more than twice 

 its length : chest oval, bright bluish green: fore-chest very short; 

 its length above not one-tenth of its breadth : shield of the mid- 

 chest broad ; sutures of the parapsides very indistinct ; axillae 

 parted by rather more than one-fourth of the breadth of the chest ; 

 scutcheon subrhomboidal : hind-chest short, declining : petiole very 

 short : abdomen linear, depressed, smooth, green, hardly narrower 

 or shorter than the chest ; disk purplish copper ; metapodeon occu- 

 pying more than half the length of the back : legs luteous ; hips 

 green ; four hinder-feet yellow with tawny tips : wings with a slight 

 tawny tinge ; veins tawny ; ulna less than half the length of the hu- 

 merus ; radius much longer than the ulna ; cubitus as long as the 

 ulna ; wing-brand very small. Length of the body 1 line ; of the 

 wings 2 lines. 



Var. /3. Head and chest green. 



PTEROMALUS' Lcbene. Fern. Viridis, abdominis disco feneo, 

 antennis fulvis, pedibus luteii, femoribus viridibus, alls sub- 

 fulvis. Page 121. 



Bright green : head and chest convex, finely shagreened : head 

 hardly broader than the chest : eyes and eyelets red : feelers tawny, 

 subclavate, not longer than the chest ; first joint luteous, long, slen- 

 der ; second cup-shaped, piceous ; third and fourth very small ; the 



