Mr. Westwood on the Family Fulgoridse. 135 



In the year 1830, Dr. Germar published a memoir upon these insects in the 

 second volume of Dr. Thon's Entomologisches Archiv, in which he gave the 

 following characters of the family, and its distribution into genera. 



FULGORELL^. 



Antennae biarticulatse, articulo secundo papilloso setigero. Oculi laterales, 

 genis perpendicularibus inserti, earumque margine circumsepti, Ocellum 

 utrinque solitarium aut nullum. Tibiae posticse apice spinis ciliatse, tar- 

 sorum articulo Imo elongato. 



I. Margo costalis elytrorum leevis aut irregulariter striatus. 



A. Antennae oculis breviores, capitulo incrassato. 



1. Clypeus a fronte disjunctus Fulgora. 



2. Clypeus cum fronte conjunctus facie elliptica. 

 a. Oculis sessilibus. 



a. Ocellum utrinque conspicuum Flata. 



/3, Ocelli nuUi, 



*. Elytris fornicatis • . Issus. 



**. Elytris perpendiculariter decumbentibus . Amphiscepo. 

 h. Oculis saltern in inferiore parte pedunculatis, clypei 



margine laterali involutis ,. . Lystra. 



B. Antennae oculos superantes, capitulo cylindrico. 



1 . Tibiae posticae apice appendice gladiiformi instructae. 



a. Capitulum articulo basilari longius Delphax. 



h. Capitulum articulo basilari brevius Asiraca. 



2. Tibiae posticae muticae. 



a. Palpis nuUis Anotia. 



h. Palpis quatuor Otiocerus. 



II. Margo costalis elytrorum striis parallelis transversis percussus. 



A. Alae perpendiculariter deflexae Pceciloptera. 



B. Alae incumbentes Ricania. 



By this an-angement nine species only were comprehended in the genus 

 Fulgora, several being here first described, so that the major part of the Lin- 



T 2 



