LIST OP UOMOPTEROUS INSECTS. 



8. Memdracis EXPANSA. 



Nigra; prothorax flavo-trifascialus ; fascia \a marginetn anti- 

 cum occupans, postice subarciiatus ; 2a fcri erecta, paullb 

 antemedia, ad carinam subdilatata, basi dilalata ; 3a apicalis, 

 2<e dimidiata vix latilttdine, basi dilalata et 2a connexa ; 

 pectus et abdomen picea. 

 Black : fore-chest wit!i tliree pale yellow bands ; the first 

 occupying the fore border, and extending thence to the eye, its hind 

 side very slightly curved ; second nearly upright, a little in ad- 

 vance of the middle of the fore-chest, slightly widened backwards 

 on the fore border, more widened at its base; third occupying the 

 tip, hardly half the length of the second, widening towards its base, 

 where it is connected with that of the second by means of a pale 

 yellow stripe along the inner side of the fore-chest : breast and ab- 

 domen pitchy. Length of the body 6i lines ; of the wings 1 li^ lines. 

 a. Venezuela, From Mr. Dyson's collection. 



9. Membracis cei.sa. 



Nigra ; prothorax flavo-trifasciatus ; fascice augustts ; fascia la 



marginem anticuin pccupans, postice subarcuata ; 2a erecta, 



paullh antemedia, basi subdilatata et 3a connexa ; 'ia prnpi 



apicem,obliqua, ad carinam dilatata ; pectus et abdomen picea. 



Black : fore-chest with three narrow pale yellow bands ; the 



first occupying the fore border and extending thence nearly to the 



eye, its hind side very slightly curved ; second upright, before the 



middle of the fore-chest, slightly widened towards the base, joined 



by a broad pale yellow stripe with the third which is oblique, near 



the tip, and widens towards the upper side : breast and abdomen 



pitchy. Length of the body 4i lines ; of the wings 9 lines. 



rt. Brazil. 



10. Membracis suuoens. 



Nigra; prothorax flavo-trif asciatus ; fascia \ a marginem anlicum 

 occupans, poslic^ recta ; 2a feri erecta, pauUl) antemedia, e 

 vertice dilutans, 3& basi connexa ; 3a lata, apicalis, antici 

 connexa ; pectus et abdomen picea. 

 Black : fore-chest lower than those of the two preceding spe- 

 cies, with three pale yellow bands ; the first occupying the fore 

 border and extending thence to the eye ; its hind side straight ; 



