HEMIPTERA HETEROPTEEA. 
25 
Male. Testaceous, slender, widening slightly from the tip of the head 
to the middle of the abdomen. Head much shorter than the prothorax; 
ante-ocular part twice as long as the post-ocular. Rostrum black, with a 
yellow band near the base. Antennse shorter than the head and the 
prothorax together; first joint hardly more than half as long as lire ante- 
ocular head ; second nearly twice as long as the first ; third and fourth 
short. Prothorax and sculellum with a piceous stripe. Prothorax with 
rounded and not prominent angles; fore lobe twice as long as the hind 
lobe. Scutellum short, triangular. Pectus and under side of the abdomen 
with two piceous stripes. Conuexivum not covered by the fore wings. 
Legs slender; fore femora much incrassated, dentate beneath. Length of 
the body 7 lines. 
a. St. Domingo. Presented by W. W. Saunders, Esq. 
b, St. Domingo. From Mr. Tweedie’s collection. 
* Africa. 
The African species are grouped by Prof. Stal as follows:— 
A. Side borders of the prothorax with no little tubercles or spines. 
a. First joint of the rostrum shorter than the second — obsoletus, impicti- 
pennis. 
b. First and second joints of the rostrum equal in length, or the latter 
just longer than the former — cancellatus, sordidus. 
B. Side borders of the prothorax armed nearly in the middle with a little 
tubercle or spine. First and second joints of the rostrum equal in 
length — annulipes, subspinosa. 
7. Oncocephalus obsoletus. 
Eeduvius (Oncocephalus) obsoletus, Klug, Symb. Phys. Ins. i. pi. 19, f. 2 
— Oncocephalus obsoletus, Stal, Hem. Afr. iii. 156. 
Nubia. 
8. Oncocephalus impictipennis. 
impictipennis, Stal, Hem. Afr. iii. 156. 
Nubia. 
9. Oncocephalus cancellatus. 
cancellatus, Stal, Ofv, K. V. Ah. Fork. xii. 44; He7n. Afr. iii. 157. 
Natal. 
10. Oncocephalus sordidus. 
sordidus, Stal, Ofv. K. V. Ak. Fork. xii. 44 ; Hem. Afr. iii. 157. 
Natal. 
11. Oncocephalus annulipes. 
annulipes, Stal, Ofv. K. V. Ak. Fork. xii. 44 ; Hem. Afr. iii. 158. 
Natal. 
