336 THE ENTOMOLOGIST. 



base in Hoplophorinae (see Stal in ' Hemiptera Afrieana'), and I 

 have also found it in a less strongly marked form in many other 

 genera. For instance, it is shorter but broad at the base in some 

 (all ?) speoies of Darnis ,• in Epiclines planata, F., and Petalocera 

 bohemanni, Stal, it is very long, but narrow ; in Proranns adspersi- 

 penjiis, Stal, it is short ; and in Ledra aiirita, L., one can find no 

 trace of it. 



4. Fidgorida. — The intermediate coxae are here, contrary to 

 the foregoing families, formed and articulated like the anterior 

 coxse. In, for instance, Fidgora, they have a very important 

 length (are something more than twice as long as broad), their 

 rather short articulation is situated at a good distance from the 

 middle plane towards the lateral margins of the body, and from 

 this point their free good- sized distal part is directed inwards 

 and backwards, where they, at the articulation of the trochanters, 

 are almost contiguous at the middle plane. Trochantins are 

 very distinct ; the articulating membrane at the anterior angle 

 of the articulation is considerable. A similar structure is found 

 in most Fulgoridae. In Tettigometra (pi. ii. f. 6) the coxae are 

 short, very broad towards the base, and the articulation is very 

 long ; but the interior angle of the coxa, which is connected with 

 the articulating membrane, is nevertheless somewhat remote 

 from that of the opposed coxa. 



One may thus sum up the characteristics of this family, viz. 

 that the intermediate coxse have the interior angle of their articu- 

 lation importantli/ remote from the middle plane ; and, singularly, 

 that their movements, like those of the anterior coxce, are strongly 

 marked double-acting , viz. rotation and important ad- and abduc- 

 tion ; Tettigometra itself, which certainly most evidently points 

 towards the Jassidae, has, however, preserved the most charac- 

 teristically Fulgorid trait in the form and situation of the articu- 

 lation. A meracanthus is usually wanting ; in Aphana farinosa, 

 Weber, Odontoptera spectabilis, Carreno, and many forms, I have, 

 however, found one, which is then short, or at least fairly short, 

 sticking out near the exterior angle of the coxa. 



c. Posterior Legs. 1. Stridulantia. 



The metasternum is entirely firmly chitinised, is often short 

 in the middle, but has also occasionally a very considerable 

 longitudinal extension. The coxse have the simplest form within 

 the Auchenorrhyncha ; they are of the size of, or a little larger 

 than, the intermediate' coxfe, and with a slightly longer articula- 

 tion than the latter ; they are basally contiguous in the middle 

 plane, and, as they are not remarkably large, there is (as Stal has 

 indicated) a considerable distance betiveen their exterior angles and 

 the lateral margins of the metathorax. On account of the quality 

 of their articulation, especially the feeble development of the 

 articulating membrane at the interior angles of their attachment, 



