158 LIST OF HOMOPTEROUS INSECTS. 



or confluent ringlets, impressed on each side in front, globose 

 and truncated hindward, where it has three spines, of which the 

 hind one is much longer than the lateral pair. Wings vitreous; 

 veins pale testaceous. Fore wings with the costa black towards the 

 base. Length of the body 2f lines ; of the wings 6 lines. 



a, b. Ega. From Mr. Bates' collection. 



Genus BOCYDIUM, Cat. Horn. p. 600. 



Bocvdium kufiglobum, Cat. Horn, p. 601. 



a — /. Constancia, Province of Rio. Presented by the Rev. Hamlet 



Clark. 

 g, h. Constancia, Province of Rio. Presented by J. Gray, Esq. 



Genus CENTROTUS, Cat. Horn. p. 602. 

 Centeotus rugosus. 



Centrotus rugosus, Montrouzier, Annales des Sciences, fyc. de Lyon, 

 2m e Ser. Ire Par tie. 



Woodlark. 



Centrotus Taurus, Cat. Horn. p. 602. 



■ Var. ? Centrotus terminalis, Cat. Horn. p. 604. 

 Var. P Centrotus reponens, Cat. Horn. p. 604. 



O Centrotus leucaspis. 



Niger; prothorax subpunctatus, antice vix carinatus, cornubus 

 lateralibus longis lanceolatis acutis vix ascendentibus postice 

 recurvis, plaga postica duabusgue lateralibus albo tomentosis, 

 cornu postico gracili arcuato apice acuto abdomen vix super- 

 ante ; tarsi ferruginei ; ala anticce testaceo-vitrea, apud cos- 

 tam nigrce. 



Centrotus leucaspis, MSS. 



This species is erroneously recorded as C. Taurus, Cat. Horn. 

 p. 602. 



