LIST OF HOMOPTEROnS INSECTS. 3D0 



brown ; hind-wings colourless. Length of the body IJ line; of the 

 wings 2 lines. 



a. Hudson's Bay. Presented by G. Bariislon, Esq. 



23. Delphax vicaiua, Mas. 



I''utva ; thorax tricarinatus ; pedes flavi ; alte perbreves subfulva 

 apice fuscie, ad maryinem poslicum fusco maculatm. 



Body tawny : head narrower and darker than the chest ; ridges 

 of the crown forming a triangle which is intersected by a mure slight 

 ridge ; front narrow, forming with the cpistoma a long spindle-shaped 

 conipaitmcnt which has three yellow ridges: mouth tawny witli a 

 black tip, reaching the hind-hips : fore-chest little longer than the 

 crown, with three ridges, the side pair diverging towards the hind 

 border, slightly curved : middle-chest much longer than the fore- 

 chest, with three ridges, the side pair straight, much diverging ; 

 hind border produced into an angle which is pale : abdomen ob- 

 conical, a little longer than the chest, legs pale yellow; a single 

 spine on each hind-shank : wings with an indistinct tawny tinge, 

 brown along the tips, and with a brown spot on the hind border be- 

 yond the middle ; veins pale yellow. Length of the body 1 line ; 

 of the wings 1^ line. 



0. Charles Island, Galapagos. Presented by C. Darwin, Esq. 



b. Pupa? James Island. Presented by C. Darwin, Esq. 



24. Dei.piiax simulans, Mas. 



Fulva ; caputflavo viltatum ; thorax tricarinatus ; abdominis lalera 

 nigra; pedes fulvi; femora fusca ; alec limpidai, perbreves. 

 Body dull dark tawny: head narrower than the chest ; ridges 

 of the crown forming a triangle ; front large, forming with the eyes 

 and epistonia a triangle which has a yellow rim on each side and a 

 yellow middle stripe, the front has also two more longitudinal yellow 

 stripes which slightly converge at each end : mouth tawny, reaching 

 the hind-hips : lore-chest a little longer than the crown, rounded in 

 front, with three ridges, the side pair much diverging : the middle- 

 chest has three similar ridges, is much longer than the fore-chest, 

 and its hind border is produced into an angle : abdomen obconical, 

 longer than the ehest, more or less black on each side, especially in 

 the pupa state : legs tawny ; thighs brown ; a single spine on each 



