66 SUPPLEMENT. 



inner keels parallel ; outer keels diverging towards the face. Eyes very 

 pale testaceous, elliptical, oblique, slightly prominent. Antennae tawny, 

 filiform, slender, pale green at the base, much longer than the prothorax. 

 Prothorax thickly punctured; keel extremely slight; transverse impressed 

 lines very distinct, partly black ; fore border, sides and hind border slightly 

 rounded. Prosternal spine slender, acute, rather long. Abdomen luteous 

 beneath. Hind femora as long as the abdomen, green at the tips; hind 

 tibia? bright red, rather shorter than the hind femora, their spines with black 

 tips. Wings very short. Length of the body 1\ lines. 



The specimen described seems to be not fully developed. 



a. Java. From Mr. Argeut's collection. 



Caloptenus? dorsigeb. 



Fcem. Testaceus, gracilis, pilosus ; caput nigro univittatum, fastigio 

 lanceolato compresso prominulo, f route obliqua; antenna nigrce; 

 prothorax nigro bistrigatus, crista anlice nigra tridenlata y margine 

 postico producto angulato ; prosterni spina gracilis, obliqua ; tibia 

 posticce rufescentes; alee anticce pallide virides ; alee postica 



Female. Testaceous, slender, pilose. Head with a black stripe on 

 the vertex ; tip lanceolate, depressed, compressed, prominent; front oblique, 

 with four well-defined keels, the inner keels nearly contiguous. Eyes 

 elliptical, rather large. Antennae black, testaceous at the base. Prothorax 

 subsellate, with a black streak on each side and with a strongly-marked 

 keel, of which the fore part is divided into three black tubercles ; lateral 

 keels apparent near the hind border, which is elongated and angular. 

 Prosternal spine slender, oblique. Hind femora shorter than the abdomen. 

 Hind tibiae reddish, a little longer than the hind femora, their spines with 

 black tips. Fore wings pale green. Hind wings pellucid; veins black. 

 Length of the body 8£ lines ; expansion of the fore wings 14 lines. 



This species may form a new genus : it has some characters of Tro- 

 pidacris, though it is of small size ; in the tip of the vertex it resembles 

 Stenobothrus. 



a. Chili. From Mr. Cuming's collection. 



Page 684. 



Caloptenus strigifeb. 



Mas. Fulvus, gracilis ; caput brevissimum, fastigio subhexagonali,f route 

 punctata ex parte nigricante ; antenna lutece ; prothorax nigricante 

 guttata et strigala, margine postico angulato; prosterni spina 

 gracilis; femora postica sublus nigra, supra nigro biplagiata ; ala 

 postica cinerea. 



Male, Tawny, slender. Head very short; tip of the vertex flat, 

 subhexagonal ; front punctured, partly blackish, with four slight keels; 

 inner keels slightly diverging towards the face; outer keels slightly 

 diverging. Eyes large, nearly fusiform, approximate on the vertex. 

 Antennas luteous. Prothorax widening slightly hindward, with many 



