88 MANDIBULATA. NEUROPTERA. 



two being dorsal, and two on each side in pairs ; abdomen black above, the 

 basal segment with a triangular blotch, the 2d with a trilobed spot, and the 

 five next with a narrow line, yellow, the three terminal segments silky-black 

 above ; on the sides all are spotted with yellow, and the 1st, 2d, and penul- 

 timate segments are entirely yellow ; caudal appendages black, upper pair 

 straight, with the apex mucronated, lower somewhat curved; legs wholly 

 black, or with a small yellow dot at the base of the anterior femora ; wings 

 hyaline, stigma livid; anal angle deeply notched. Female similarly 

 coloured ; caudal appendages very short. 



Taken occasionally at Coombe wood, in July and August, and in 

 the vicinity of Dartford, and other places within the metropolitan 

 district; also at Dinmore Hill, Herefordshire, but rarely in this 

 locality. 



Sp. 2. flavipes. Plate xxx. f. 1. — Thorace nigra, characteribus Jlavis, abdomine 

 nigra, lined dorsali tenui usque ad uliimum segmentum abdominale ducta, macu- 

 lisque lateribus Jlavis, appendicibus nigris basi jlavis, pedibus Jlavis, nigra 

 lineatis. (Long. corp. 1 unc. 10 lin. ; Exp. Alar. 2 unc. 6 lin.) 



.^sch. flavipes. Charpentier, Hoi^a Ent. p. 24. — Go. pulchellus. Sieph. Catal. 

 309. No. 3434. 



Front yellow, with a single transverse black line ; eyes ashy ; thorax greenish- 

 yellow, with three nearly equidistant black streaks, on each side of which 

 the two inner ones are imited anteriorly, and all posteriorly, leaving a greenish 

 mark on the back resembling a Roman T, and two oval patches on the disc; 

 abdomen black, the sides with a nearly continuous yellow streak, and the 

 back of all but the last segment with a yellow line ; the 7th to 9th segments 

 have a narrow yellow edge, and the 10th is black, with a minute yellow 

 spot at the base ; caudal appendages alike, and equally diverging, the 

 upper pair gradually tapering to an acute point, all black with the base 

 yellow ; legs yellow, above black ; wings hyaline, stigma rather long and 

 fuscous, anal angle slightly waved. 



The only example of this beautiful insect I have hitherto seen I 

 captured about three miles west of Hastings, on the 5th of August, 

 1818. 



Genus XIV.— CORDULIA, Leach. 



Labium tumid, its middle lobe small, transverse-semicircular, the lateral 

 lobes ample, transverse-quadrate, surrounding the central one, and notched 

 at the base of the inner edge : labrum with a slight notch on its margin ' 

 head large, semiglobose : forehead much swollen, and vesicular : ei/es conti- 

 guous in front: ocelli three, placed in a triangle on a small vesicle: thorax 

 pilose: body metallic : abdomen somewhat clavate; anal appendages of the 



