Ilomopterons fitinil// Memltracitla?. 355 



the jironotiim ; the area enclosed between the spmes dull castanc- 

 ous 'bordered Avith black ; the spines black, excepting in the 

 centre at the base ; terminal process castaneous, Avith black base, 

 separated from the lateral spines by a stripe of yelloAV ; tegmina 

 hyaline Avith difEused yellow terminal border, the veins black ; 

 body and legs bright mustard-yellow. Length including the 

 closed tegmina 7, Avidth betAveen lateral spines 3^ mm. 

 St. Paulo (Bates). Brit. I\Ius. 



4r. Omolon vuriits. 



Omolon ra/'iiis, Walker, Journ. Entom. i, p. 31(1 (18G2). 

 Para. 



It is difficult to comprehend how either Walker could have 

 failed to recognize his two ncAV species as being congeneric Avith 

 Comhophom laportei, or Stal to recognize the identity of his new 

 genus Avith the genus figiu'ed by Walker. 



XASSUNIA, Stal. 



6 

 The foUoAving species are re£era])le to this genus; — Smilio- 



rachis hipnnctcitaf^hinotafa and bispina of Fairm., ' Nassnnia 

 bistillata . and ddlmanni of Stal, Ccntrotus costal is and Cerasa 

 fiirtis of Wallver. 



RHKXIA Stal. 



1. ^Rhe.ria flavicans. 



Sraphula jiavivans. Fairm , Ann. Eut. Ser. 2, iv, p. 294, 2 

 (1840). 

 Cayenne. 



2. '^Rhc.ria pallescens. 



^ Darnis pallescens, Fabr., Syst. Rhyng. p. 28, 9 (1803). 



<5 Scaphula alutacea, Fairm., Ann. Ent. Ser. 2, iv, p. 495, 4 



(1846). 



Santarem. Brit. ]\Ius. 



3. Rhexia centromacidata. 



Sraphula ccnfroinacvlata, Fairm., Ann. Ent. Sor. 2, iv, p. 

 495, 3 (I84r.). 

 Cayenne. 



