120 Mr. J. O. Westwood’s Descriptions 
Sp. 2. Platymeris ducalis, Westw. (PI. VII. fig. 3.) 
Nigra, nitida, spinosa; hemelytris fascia lata rufa abbreviata 
ante medium; abdominis segmentis femoribusque late rufo- 
fasciatis. (Fig. 3a, lateral view of the head.) 
Long. corp. unc. 12. 
Inhabits Cape Palmas, tropical Western Africa. Rev. J. Savage. 
In the collection of the Rev. F. W. Hope; also in the British 
Museum, from Sierra Leone. 
Caput parvum, nigrum, inerme. Antenne gracillime, articulis 4; 
articulationibus intermediis haud computatis. Prothorax 
bipartitus, parte antica 12-spinosa, spinis 4 dorsalibus majori- 
bus; parte postica etiam spinis 4 acutis. Scutellum spinis 
tribus magnis, acutis et erectis. Hemelytra nigra, fascia lata 
rufa (in medio interrupta) ad apicem partis coriacei, hac 
etiam spinulis numerosis armatis. Abdomen segmentis basi 
late rufo-fasciatis, apicibus segmentorum spinulis instructis. 
Femora incrassata, fascia lata rufa ante apicem. 
EcrinopErvs, Westw. (Proceed. Ent. Soc. p. 74.) 
Caput parvum, rotundatum, naso conico inter antennas haud in- 
structum, colloelongato. Antenne 4-articulate, articulationi- 
bus inter articulos haud computatis ; articulo 1mo longo, haud 
apicem versus incrassato, tribus ultimis sensim brevioribus et 
tenuioribus (inter articulos | et 2 et 2 et 3 articuli rudimentales 
adsunt). Prothorax maximus, antice supra basin pedum 
anticorum dilatatum; in medio transversé impressum pos- 
ticéque in lobos duos supra basin hemelytrorum (apice scutelli 
tantum detecta) protensum, Abdomen subrotundatum de- 
pressum, lateribus hemelytris haud obtectis. Hemelytra 
areolis tribus discoidalibus, intermedia majori. Pedes (pree- 
sertim antici) valde elongati. Jvbice anticze setosze. 
Syn. Pristhevarma, Serv. and Am. Hist. Nat. Hem, p. 355. 
A few species of Reduviide have already been described, in 
which the pronotum is dilated and extended backwards over the 
scutellum. Such is the case in the genus Arilus (Reduvius 
serratus, &c.), also in the Reduvius tuberculatus of the animal 
kingdom, arranged by Burmeister in the same genus. The genera 
Notocyrtus, Hofifmans. (Saccoderes, Spinola), including the Reduvius 
dorsalis, Gray, and the African genus which I have named Dias- 
