245 



head in advance, and passes the extremity ot" the abdomen in the rear, bear- 

 ing a strong resemblance to some of the species of Homoptera. Apparently 

 without elytra or wings. Legs short; the four anterior angular. Tarsi short; 

 without pulvilli. The head very small, scarcely visible ; eyes prominent. 

 Antennso small, filiform, of medium length. Prosternum not truncate, but 

 advanced upon the mouth. 



C I'lioiubeniu, Walk., Cat. Dermap. Salt., V, 845. 



Sjn., Bhombea cicada, Felt., Phil. Trans., LIV, 55, Fig. 6. 

 Cicada rhomhea, Linn., Syst. Nat. I, 2, 704. 

 Acridium compressum, Thunb., Nov. Act. Upsal., 1815, 162. 



(Hymenotes) rhombeu7)i, Haan, Verz. Gesch. Ned. lud. Bez. Ins., 

 165. 

 Hymenotes rhomhea, West., Proc. Zool. Soc. Lond., 5, 130. 

 Choriphyllum sagrai, Serv., Hist. Ortbop., 755, PI. 8, Fig. 5. 



It is entirely of an earthy gray ; the foliaceous portion of the pronotum 

 is elevated about four lines above the body; each lateral face presents some 

 six or seven prominent transverse nerves, which are equally spaced ; this 

 membrane is the color of a brown dead leaf, the first third transparent ; the 

 rest opaque, its upper edge arcuate ; the part which borders the head ends 

 in an acute point ; the posterior part, which passes the abdomen, is squarely 

 truncate at its extremity. Antennae and feet of the color of the body. The 

 posterior femora inflated ; the posterior tibiae spined. 



Length, 0.67 inch. 



Cuba (Serville). 



C. pla^iatum, Walk., Cat. Dermap. Salt., V, 845. 



Female. — Testaceous or dead-leaf color, wingless. Antennae very long 

 and slender. Crest of the pronotum foliaceous, extending much beyond the 

 head and the tip of the abdomen, adorned with various black spots of dif- 

 ferent size and shape ; its edge slightly undulating, forming, a little behind 

 the middle, a rounded angle. Legs slender; four anterior femora bidentate 

 beneath ; hind tibiae with very short spines. 



Length of body, 0.46 inch. 



Jamaica (Walker). 



