LIST OF HOMOPTEROUS INSECTS. 105 
vitreous, broad; veins black. Fore wings with a green stigma; 
submarginal and marginal areolets elongated, regular; discal areo- 
lets irregular, mostly hexagonal; nine parallel oblique costal vein- 
lets between the base of the wing and thestigma. Hind wings with 
few veins and very few veinlets. Length of the vody 3} lines; of 
the wings 9 lines. 
a. Mexico. From M. Sallé’s collection. 
RIcANIA SUBGUTTATA. 
Testucea ; vertex linea transversa nigra; frons longiuscula, trica- 
rinata ; facies unicarinata ; prothorax conicus, unicarinatus ; 
mesothorax bicarinatus ; abdominis segmenta nigro fasciata ; 
ale cinereo-vitrea, venis nigris ; antice apud margines sub- 
luride, guttis duabus (una costali, altera postica) guttisque 
subcostalibus et submarginalibus, strigis marginalibus fasciaque 
abbreviata fuscis ; postice apud margines fusce. 
Testaceous. Vertex almost concealed by the prothorax, with 
a black line along its fore border ; front vertical, about twice longer 
than broad, with slightly elevated borders, and with three keels ; 
middle keel very slight; lateral pair converging and united towards 
the face, which has a single keel. Pyothorax conical, with one 
keel. Mesothorax with two keels. Abdomen witha short black 
band on each segment. Wings grayish vitreous; veins black. 
Fore wings with a lurid tinge about the borders, with a brown costal 
dot, with brown subcostal and submarginal dots, with a pale brown 
streak on each marginal areolet, and with one brown dot on the in- 
terior border; a dark brown band at two-thirds of the length obso- 
lete towards the interior border. Hind wings mostly brown along 
the borders. Length of the body 3} lines; of the wings 10 lines. 
a. Celebes. From Madame Ida Pfeiffer’s collection. 
Genus BENNA, Journ. Linn. Soe. i. 157. 
BENNA CLAUSANS. 
Benna clarescens, Walk. Journ. Linn. Soc. i. 158, 84. 
a, Borneo, From Mr. Wallace’s collection, 
