704 LIST OF HOMOPTEEOUS INSECTS. 



the eye and the eyelet ; face convex, not keeled, but with a very 

 slightly concave furrow; this is accompanied by a black stiipe, 

 which extends from the crown, and traverses a broad black band 

 between the antennae ; about eighteen oblique rather indistinct 

 ridges, and two black dots beyond them on each side : tip of the 

 mouth black: feelers black; first joint pale green; fourth joint 

 tawny: chest slightly impressed in the fore part, which is chiefly 

 occupied l)y a broad, short, pitchy band, whose hind border is 

 notched : disk of the scutcheon pilchy : fore-thighs and ante- 

 rior shanks with black bands; tips of the shanks and of the feet 

 black : fore-wings clouded with irregular pitchy spots : hind-wings 

 almost colourless ; veins green. Length of the body 8 lines ; of the 

 wings 21 lines. 



a. West Africa. From Capt. Parry's collection. 



5. Ptyelus obtusus. 



Testacevs; caput nigro varium ; thorax nigro fasciatus ; pedes 

 niyro maculati ; alte anticcB maculis nigris ornatte. 



Testaceous, shining: head and chest minutely punctured, co- 

 vered with pale down : head above very short, impressed, with 

 a black band on the hind border between the eyelets, hardly longer 

 than the breadth of the eyes ; face convex, with a triangular black 

 spot next the crown, a spindle-shaped black streak on the flat longi- 

 tudinal stripe, and two black spots on the middle of each side, 

 which has about fifteen equally distinct cross ridges : feelers black, 

 testaceous at the base and at the tips : chest adorned near the fore 

 border with abroad, short, black band, whose hind border is notched : 

 anterior feet and tips of the shanks and of the hind-feet black ; a 

 black spot on each side of the anterior thighs and shanks : fore- 

 wings indistinctly speckled with pale brown, adorned with black an- 

 gular spots round the tips and along part of the hind borders : hind- 

 wings almost colourless; veins brown, tawny towards the base. 

 Length of the body 8 lines of the wings 19 lines. 



a. Sierra Leone. Presented by J. 0. Westwood, Esq. 



6. Ptyelus eburneus. 



Flavo-alhus ; thorax nigro quadrigiittatus ; abdomen supra pi- 

 ceum ; tibia antica nigro fasciatce ; tarsi anteriores nigri ; 

 alee anticce fusees, jiavo-albo bimaculatm. 



Yellowish white, shining: head and chest flat, very minutely 

 punctured ; face very convex, yellow, not keeled, but wilh a narrow, 



