14 (15). 
15 (14). 
16 (29). 
17 (24). 
18 (23). 
19 (20). 
20 (19). 
21 (22). 
22 (21). 
23 (18). 
24 (17). 
25 (26). 
26 (25). 
27 (28). 
28 (27). 
29 (16). 
30 (13). 
31 (34). 
32 (33). 
33 (32). 
34 (31). 
(2). 
36 (1). 
37 (38). 
38 (37). 
35 
British Homoptera-Cicadina. 
Front margin of crown with four or six 
equidistant black spots, or a black band 
bearing three or five palespots .. sc 
Crown not as above. 
3; side lobes of pygofer more or less 
pointed, not connivent: 9; hind margin 
of the last ventral segment without a tri- 
angular notch in the middle. 
All or most of the areas of the elytra mar- 
gined with fuscous. 
All the areas, including the basal one, 
margined with fuscous. 
Nerves concolorous 
Nerves white. 
Fuscous margins of the areas regular 
Fuscous margins of the areas irregular 
Nearly all the areas, except the basal one, 
irregularly margined with fuscous 5c 
The fuscous markings of the elytra either 
confined to a narrow border to the apical 
areas, and one or two spots on the corium, 
or entirely wanting. 
Outline of the hind margin of the last 
ventral segment in the female resembling 
an ogee arch 50 56 at Sai 
Not as above. 
Hind margin of the last ventral segment 
in the female with an angaar notch on 
each side .. fe 5, dl 
Hind margin of the last enka egies in 
the female feebly trisinuate 
3 ; side lobes of pygofer wide, inflexed, and 
connivent: 9; hind margin of the last 
ventral segment with a small ee 
notch in the middle At 
3; genital plates very short, distinctly 
shorter than the valve: 9; hind margin 
of the last ventral segment simple, faintly 
concave or straight. 
The three innermost apical areas not white. 
Elytra with five or six distinct black wpe 
Inhabits coast-sands 
Elytra not spotted, the inner areas more 
or less bordered, sometimes entirely filled 
up with black or brown. Abundant every- 
10. 
1. 
aes 
. 14. 
. 15. 
where ae 4 = l6 
The costal and three innermost apical areas 
white 
Elytra with a small inak wet at ane apex 
17. 
of the fourth subapical area ate 18 
Crown distinctly though slightly convex. 
Elytra with two broad white bands 
Elytra not banded with white. 
43 
6. coronifer. 
. repletus. 
. oculatus. 
. picturatus. 
Flori. 
Linnei. 
. distinguendus. 
Falleni. 
socialis. 
sabulicola. 
. striatus. 
Normani. 
. punctum. 
-. 19. argus. 
