MEMBRACIS, 
or 
1. Membracis foliata. (Tab. I. figg. 1, 1a, var. c-album *.) 
Cicada foliata, Linn. Syst. Nat. 12th edit. i. 2, p. 705° (part.). 
Membracis foliata, Fabr. Syst. Ent. p. 675. 27 (nec Mant. Ins. ii. p. 262). 
" Membracis lunata, Fabr. Mant. Ins. ii. p. 262. 5°, 
Membracis c-album, Fairm. Ann. Soc. Ent. Fr. sér, 2, iv. p, 244* (=Membracis foliata, var. b, 
Stal, Kongl. Sv. Vet.-Ak. Handl. Band vii. 1, p. 39)’. a 
Hab. Mexico (Sallé); Guaremata (Sallé)—Sourn America }, Colombia, Cayenne 345, 
Venezuela, Brazil. . | 
Central-American specimens belong to the variety c-album; the typical form of the 
insect has not occurred, apparently, within our limits, A Guatemalan example is 
figured. . 
2. Membracis albo-limbata, sp. n. (Tab. I. figg. 2, 2a.) 
Tota nigra; pronoto magno, semicirculari, limbo modico albo supra caput usque ad summam altitudinem ex- 
tenso, punctato, interstitiis evidenter alutaceis; tegminibus ad apicem et pedibus fuscis, illis ad basin 
punctatis. 
Entirely black ; pronotum large and much elevated, semicircular, with a clear white border extending from 
above the head, and occupying about a third of the circumference; the surface is distinctly punctured and 
rather strongly veined, with the spaces between the punctures plainly alutaceous; tegmina punctured 
towards the base; legs fuscous. 
Long. 103 millim. ; alt. max. 9 millim. 
Hab. Cuntran America (Stentz, in Mus. Vind. Ces.). 
One female specimen. It may possibly prove to be an extreme variety of 
M. foliacea. 
8. Membracis lefebvrei. (Tab. I. figg. 3, 3 a.) 
Membracis lefebvrei, Fairm. Ann. Soc. Ent. Fr, sér. 2, iv. p. 246°. 
Hab. Mexico (Mus. Vind. Ces.).—Guiana, Cayenne }, 
Fairmaire quotes! the species as from “ Coll. Signoret,” but the specimen above 
referred to as from Mexico has no name affixed to it, There is a single specimen 
without locality in the Royal Belgian Museum. 
4. Membracis mexicana. (Tab. I. figg. 4,4a; 5, 5a, var.) 
Membracis mexicana, Guér. Icon. Régne Anim. iii. p. 364, t. 59. fig. 1'; Fairm. Ann. Soc. Ent. 
Fr. sér. 2, iv. p. 248 *. 
Membracis stolida, Fairm. Ann. Soe. Ent. Fr. sér. 2, iv. p. 248°. 
Membracis sexmaculata, Walk. Ins. Saunders., Homopt. p. 59°, 
————ay 
* In the measurements of these insects, as shown on the Plates, the extreme length and greatest height are 
indicated ; in cases, however, where the rostrum is very long (¢. g. Tab. I. fig. 15) the measurements are taken 
from end to end and then from this line to the lowest part of the head, 
