a7 
This Genus is formed from the peculiar form of the prothorax. 
The general appearance of the insects seems to point out that they 
should be divided from the preceding species. 
Drpnax Scorica. Leach. plate 19, fig.1,c 2. 2 
Figured in Millard’s Outlines Brit. Ent. pl. 1, f. 4. 
Length of body, 1 inch 1 line to 1 inch 2 lines. 
Expanse of wings, I inch 6 to 1 inch 7 lines. 
This species is abundant in Scotland, and is also found at Epping. 
Besides other characters, it may be readily distinguished from the 
following species, by the legs being entirely black. 
D. rufostigma. Newman. plate 19, fig. 3,0 4. 2 
Figured as nigripes. Charp.- Zab. 10, f. 1. 
Length of body, from 1 inch 4 to 1 inch 5 lines. 
Expanse of wings, from 2 inches 10 lines to 3 inches. 
This species is found during July ; and I have captured specimens 
towards the end of September in Battersea fields. 
It may readily be known from the preceding, by the coxe of the 
fore legs being brown. 
D. pallidistigma. Steph. plate 20, fig. 1. 
Length of body, 1 inch 3 lines. 
Expanse of wings, 1 inch 10 lines. 
Figured from a specimen in Mr. Stephens’ possession, who states 
the species occurs in the New Forest during June. 
The body is much compressed. 
D. angustipennis. Steph. plate 20, fig. 2. 
Length of body, 1 inch 3 lines. 
Expanse of wings, 2 inches 1 line. 
This species is also figured from a specimen in the possession of 
Mr. Stephens. The insect is found during June near London. 
D. vulgata. Lin. plate 20, fig. 3. 0 
Figured in Harr. Exp. Eng. Ins. pl. 46, f. 3. 
Charp. Zab. 11, f. 1. 
Don. 10, pl. 337. 
SYNONYME sanguinea. Mull. 
Length of body, from 1 inch 4 to 1 inch 8 lines. 
Expanse of wings, from 2 inches to 2 inches 4 lines. 
Abundant during July and August round London and elsewhere. 
It yaries very much in size and colouring. 
