496 
ZOOLOGICAL LlTEHATUllE. 
a. Anterior tibise flat or sulcate above. 
* Thorax with parallel sides or nanowed behind. 
a. Forehead obtusely prominent, its upper part with no longi- 
tudinal impression. 
ec. Body not very slender j clavus with 2 veins. 
0. Oncometopia (Siai). 
/3. Body slender ; clavus with 1 vein furcate at apex. 
7. Dichrophleps, g. n. 
(Cic. aurea, Fab.) 
h. Head above longitudinally impressed throughout, or at least 
in the upper part of the forehead. 
u. Head depressed, longer than or equal to thorax. 
* * Head triangular, its narrow apex rounded. 
8. PlIERA (StSl). 
(P. tiarata and wallmgreni^ StSI, 
Tett. centro-lineata, Sign.) 
1 1 Head broader at apex. 9. Homalodisca, g. n. 
{Oic. triquetra and triangularis^ Fab.) 
/3. Head shorter than thorax, 10. Cyrtodisca (StSl). 
{Tett. majoi'y Sign.) 
t Thorax usually distinctly narrowed in front. 
a. Anterior tibise simple. 
a. Clypeus much elevated, gibbous, ungulate when seen from 
the side. 
** Thorax and scutellum of equal length, or nearly so. 
a a. Sides of thorax parallel. 
11. Ccelopola, g. n. 
( Cic. adsqjersa and canaliculataj Fab.) 
/3/3. Thorax narrowed in front. 
12. Amblydisca, g. n. 
{Aulacizes ruhriventris, Sign., cariacca, mill- 
tiguttata, and nitidipennisy StSl.) 
ft Thorax about twice as long as scutellum. 
13. Stictoscarta, g. n. 
{Tett. sulcicollisy Germ., and pruinina, Sign.) 
/3. Clypeus, seen from the side, convex, not angulate-gibbous. 
14. Aulacizes (A. & S.). 
b. Anterior tibio3 dilated above. 
a. Tegmiua rounded at apex. 16. Proconia (Lep. & S.). 
/3, Tegmina broadly truncate at apex. 
16. Acrocampsa, g. n. 
(Cic. pallipesy Fab.) 
b. Tibiae cylindrical, with no furrow. 
^ Head triangular, gradually narrowed. 
17. Acrogonia, g. n. 
(Cic. lateralis, plana, hicolor, and Jlaveola, Fab.) 
t Head much longer than thorax, depressed. 
18. OCIIROSTACTA, g. n. 
(Tett. diadema, Burm., txwd physocei^hala. Sign.) 
II. Juga3 .suddenly deflexed and gradually curved from the base, apex very 
