HOMOPTERA. 



11 



vertex with the disk mostly black. Segments of the prothorax partly 

 bordered with black. Mesothorax with seven black stripes; the second 

 pair united bindward to the middle one. Abdomen with a black band on 

 the fore border of each segment, and with a pubescent testaceous spot on 

 each side near the base. Wings vitreous. Fore wings blackish at the 

 base, clouded with brown at the base and at the tip of the first marginal 

 areolet, on the first, second, third and fourth transverse reins, and on the 

 veins between the first, second and third transverse veins. Hind wings 

 pale luteous at the base. Length of the body 16—18 lines ; of the wings 

 46—48 lines. 



Hindostan. 



FlDICINA INVARIANS. 



Fcem. Nigra; ala vitrece, basi nigra, venis rufescentibus apud coslam 

 ex parte nigris ; anticce venis \a et 2a nigris perobliquis, la sub- 

 nebulosa, 3a et ia undulatis. 

 Female. Black. Wings vitreous, black at the base ; veins reddish, 

 partly black along the costa. Fore wings with the first and second trans- 

 verse veins black, veiy oblique, as is usual in this genus, and parted from 

 each other by thrice the length of the former and four times the length of 

 the latter; first very slightly clouded; third and fourth undulating. 

 Length of the body 18 lines ; of the wings 52 lines. 



Genus CICADA. 



North America. 



Cicada milvus. 



Fcem. Rufescente-fulva, subtus testacea ; caput supra nigricans, fascia 

 antica testacea valde interrupta, margine postico testaceo lituris 

 nigris; prothorax vittis quatuor, fascia antica brevi gutlisque duabus 

 discalibus nigris, margine postico viridiscente ; mesothorax vittis 

 quatuor obconicis nigris, interioribus abbreviatis, exterioribus inter- 

 sectis; abdomen fasciis interruptis nigris ; alee vitrece, venis viridibus 

 apice nigris ; anticce vents la 2aque transversis perobliquis vix 

 arcuatis fusco nebulosis. 



