36 CATALOGUE OF 



long as the body; joints from the first to the third successively decreasing 

 in length ; fourth wilh a very broad testaceous band near the base, longer 

 than the second, shorter than the first. Prolhorax very finely scabrous, 

 wilh a slight tubercle on each side in the fore part of the disk, with a very 

 slight longitudinal furrow, and with a slight transverse ridge near the hind 

 border; sides serrated; hind angles much elongated, acute, directly 

 diverging, slightly ascending. Odoriferous apertures whitish. Femora 

 beneath with a subapical spine. Hind femora incrassated, with a few rows 

 of minute obtuse spines. Hind tibia: almost as long as the hind femora, 

 dilated and with a very broad tooth at the base beneath. Length of the 

 body 12 lines. 



a. ? Presented by W. W. Saunders, Esq. 



12. Trematocoris vittata. 



Mas. Nigra, subtus teslacea ; caput testaceo univitlatum ; antenna sat 

 validce ; prothorax scabcr, testaceo quinque vittatus,laleribus serratis, 

 angiitis posticis ucutis oblique retractis ; scutellum testaceo margi- 

 natum; pedes testacei,femoribus spinulosis, femoribus posticis dentatis 

 valde incrassatis nigra bifascialis, tibiis posticis piceis dilatatis apud 

 medium bidentalis ; alee antica fulvcc,plaga maxima nigra, membruna 

 nigricante. 



Male. Black, testaceous beneath. Head with a testaceous stripe. 

 Antennoe pubescent, rather stout. Prothorax scabrous, widening landward, 

 with a transverse furrow at one-third of the length from the fore border, 

 and with five testaceous stripes; middle stripe double, except in front; two 

 outer stripes margiual ; sides serrated, slightly dilated in the hind part aud 

 armed there with an acute spine, which is directed obliquely hindward. 

 Scutellum with a testaceous border. Legs testaceous. Femora with a few 

 very short black spines. Hind femora much incrassated, with two black 

 bands, armed on each side beneath with a few stout teeth. Hind tibiae 

 piceous, dilated beneath, the dilatation diminishing from the base to the 

 tip, with two very stout teeth in the middle; a very minute tooth between 

 the above teeth aud two small apical teeth. Fore wings tawny, with a very 

 large black patch; membrane blackish. Length of the body 12 lines. 



a. Siam. Presented by W. W. Saunders, Esq. 



b. ? From the Entomological Society's collection. 



13. Tkematocoris bilobus. 



Petascelis bilobus, Sgnt. A. S. E. F. 2me Sir. viii. 69, pi. 4, f. 2— Derepteryx 

 bilobus, Stat, Hem. Afr. ii. 13. 



Guinea. Old Calabar. 



