204 APPENDIX. 



dius nearly as long as the ulna ; cubitus much shorter than the 

 radius; wing-brand very small. Length of the body Ij line; 

 of the wings 2j lines. 



PTEROMALUS Mesapos. Fern. Cupreus, abdomine cupreo-pur- 

 pureo basi viridi, antennis nigris, pedibus flams, femoribus 

 fulvis piceo vitlatis, alls Limpidis. Page 1 26. 



Head and chest coppery, convex, finely shagreened : head 

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

 clavate, thick, a little longer than the chest ; first joint bright taw- 

 ny, long, linear, black at the tip ; second cup-shaped ; third and 

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

 successively decreasing in length; club conical, much broader than 

 the tenth joint and more than twice its length : chest nearly oval : 

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

 breadth; hind -border very concave: sutures of the parapsides very 

 indistinct ; axillae parted by one-fourth of the breadth of the chest ; 

 scutcheon subrhomboidal : hind-chest rather large, obconical, de- 

 clining, with some excavations along the fore-border and a slight 

 ridge along the middle : petiole very short : abdomen oval, smooth, 

 coppery purple, bright green at the base, depressed above, very 

 deeply keeled beneath, so as almost to form a right angle, shorter 

 and a little narrower than the chest ; metapodeon occupying about 

 one-fourth of the back, slightly excavated at the base ; octoon and 

 the following segments of moderate and nearly equal size ; parate- 

 lum and telum rather long ; legs yellow, rather stout, hips brassy ; 

 thighs tawny, with piceous stripes ; each middle-thigh with a spine 

 beneath near the tip ; four hinder-feet with piceous tips : wings co- 

 lourless, rather short ; veins pale tawny ; ulna more than half the 

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

 tus much shorter than the radius ; wing-brand very small, pale 

 brown. Length of the body 1 J line ; of the wings 2 lines. 



PTEROMALUS Larymna. Fern. Viridis, abdomine viridi-cyaneo, 

 antennis viigris, pedibus fulvo-piceis, femoribus viridibus, alls 

 limpidis. Page 126. 



Bright green : head and chest convex, shagreened : head 

 hardly as broad as the chest : eyes and eyelets bright red : feelers 

 black, clavate, slender, much shorter than the chest ; first joint 

 long, green, slightly increasing in breadth from the base to the tip ; 

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

 joints from the fifth to the tenth short and successively decreasing 



