560 Col. C. T. Bingham on South African 
basal abdominal segment above smooth, polished and shining, anal 
up-curved spine black and shining. 
Length ¢ 14. Exp. 20 mm. 
Described from a single example. 
Family POMPILIDAE. 
1. PoMPILUS VIATICUS, Linn., VAR. NIGRIPENNIS, Tournier. 
Sphex viatica, Linn., Syst. Nat., Ed. 10, 1, 1758, p. 570; 
Fabr., Syst. Ent., 1775, p. 349. 
Pompilus viaticus, Fabr., Ent. Syst., Suppl., 1798, p. 246, 
et Auct. 
Pompilus viaticus, var. nigripennis, Tournier, |)’ Entom- 
ologiste Génevois, 1889, p. 198. 
RHODESIA: Loangwa 1700 ft. 2 (S. A. Neave). 
This form of the common P. viaticus, Linn., seems to 
be more or less widely spread in Africa. Tournier records 
it from Tangier and Morocco, and there is a ¢ in the 
collection of the British Museum from West Africa. 
2. POMPILUS NATALICOLUS, Dalla Torre. 
Pompilus natalicolus, Dalla Torre, Cat. Hym., viii, 1897, 
p. 304. 
Pompilus fervidus, Smith, Descr. New sp. Hym. B.M., 
1879, p. 145 (nec. Smith, 1873). 
Nata: Estcourt 4000-5000 ft. 2 (G. Marshall). 
3. POMPILUS FESTIVUS, Klug. 
Pompilus festivus, Klug, Symb. Phys., 1834, pl. 38, fig. 8 g. 
NaTaL: Estcourt 4000-5000 ft. ¢ 2 (G. Marshall) ; 
RuHopEsIA: Mashonaland, Salisbury 5000 ft. ¢ (4 
Marshall). 
Described first from Arabia. 
4. POMPILUS JACENS, form n. 
RuopEsIA: Mashonaland, Salisbury 5000 ft.; Oct. 1899 
(G. Marshall). 
Q. Black; the palpi, mandibles, labrum, clypeus, sides of the 
face, a line along the inner and outer orbits meeting on the vertex, 
the antennae, the sides of the mesonotum broadly, the tegulae, the 
