172 HYMENOPTERA. 
the tibize, tarsi, and tips of the femora ferruginous ; wings yellow, 
their apical margins having a dark fuscous border. Abdomen 
immaculate, with an obscure violet bloom. 
Hab. Algeria. (Coll. W. W. Saunders, Esq.) 
This insect closely resembles S. bicolor in every particular, 
except the markings of the abdomen; but the prothorax is shorter, 
as well as the metathorax : the bloom on the insect is a good 
characteristic, of which S. bicolor is destitute, being smooth and 
shining. 
3. SALIUS BIDENS. 
Salius bidens, St. Farg. Hym. tii. 395.3 3. 
Hab. The Pyrenees. 
Genus 6. NOTOCYPHUS. 
Head as wide as the thorax; eyes large, lateral and ovate ; 
ocelli three, in a triangle on the vertex; antennz convolute at 
their apex; the clypeus short and transverse ; the /abrum elon- 
gate and produced. The prothorax subelongate, the metathorax 
elongate; the thorax is rounded anteriorly and truncate poste- 
riorly. Wings narrower than in the genus Pompilus; the ante- 
rior pair having one marginal and three submarginal cells; the 
second submarginal cell oblique, and receiving the first recurrent 
nervure towards its base; the third submarginal cell about the 
same length as the second, much narrowed towards the marginal. 
Abdomen sessile, acuminate at its apex. 
1. NorocyPHUS SAVISSIMUS. B.M. 
Female. Length 5-8 lines.—Black: the face smooth, ele- 
vated before the insertion of the antenne ; a slightly impressed 
line extends from the verge of the elevation to the anterior ocel- 
lus; the anterior margin of the clypeus rounded; the labrum 
longer than the clypeus, narrowed anteriorly and truncate at the 
apex. Thorax smooth and subopake, gradually declining 
from the disk of the mesothorax to the anterior margin of 
the prothorax and the verge of the truncation of the metathorax ; 
wings dark fuscous ; legs without spines, the anterior coxze elon- 
gate. Abdomen slightly compressed, the first, second, fifth and 
sixth segments pale ferruginous above; sometimes the apical 
margins of the third and fourth segments are slightly rufo-testa- 
