210 APPENDIX. 



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

 subclavate, rather slender, a little longer than the chest ; first joint 

 green, long, linear ; second cup-shaped ; third and fourth very 

 small; the following joints from the fifth to the tenth successively 

 decreasing in length ; club long-oval, a little broader than the tenth 

 joint and more than twice its length : chest short-elliptical : fore- 

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

 shield of the mid-chest rather short ; sutures of the parapsides indis- 

 tinct ; axilla? parted by little more than one-fourth of the breadth of 

 the chest ; scutcheon subrhomboidal, with a suture along each side : 

 hind-chest golden green, short, transverse, with a slight ridge along 

 the middle and a rim on each side : petiole very short : abdomen 

 spindle-shaped, smooth, greenish blue, depressed above, keeled be- 

 neath, a little narrower and very much longer than the chest ; me- 

 tapodeon occupying nearly one-iifth of the back ; octoon short ; en- 

 naton and following segments longer : hips and thighs green ; 

 shanks piceous ; fore-knees and fore-feet tawny ; knees, feet, and 

 tips of shanks of four hinder-legs yellow : wings colourless ; veins 

 pale yellow; ulna about half the length of the humerus; radius 

 as long as the ulna ; cubitus much shorter than the radius ; wing- 

 brand very small. Length of the body 1 line ; of the wings 

 2 lines. 



PTEROMALUS Aliraentus. Fern. Nigro-aneus, abdomine pur- 

 pureo basi viridi^ antennis femoribusque, piceis pedibus flavis, 

 alls subfulvis. Page 126. 



Head and chest convex, dull black, with a very slight brassy 

 tinge, finely shagreened : head hardly broader than the chest : eyes 

 and eyelets dark red : feelers dark piceous, subclavate, not longer 

 than the chest ; first joint long, slender, yellow, piceous at the tip ; 

 second cup-shaped ; third and fourth very small ; the following 

 joints from the fifth to the tenth successively decreasing in length ; 

 club spindle-shaped, more than twice the length of the tenth joint : 

 chest nearly oval : fore-chest very short : shield of the middle- 

 chest nearly flat; sutures of the parapsides very indistinct ; axillae 

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

 subrhomboidal : hind-chest short, hardly obconical, declining : pe- 

 tiole very short : abdomen spindle-shaped, smooth, dark purple, 

 green at the base, depressed above, keeled beneath, narrower and 

 very much longer than the chest ; metapodeon occupying about one- 

 fifth of the back ; octoon and following segments of moderate size 

 and of nearly equal length : legs bright yellow ; hips black ; thighs 

 except the tips, piceous ; middle-feet and hind-feet pale yellow with 



