LIST OF HOMOPTEROUS INSEOTS. 159 
Centrotus GAzeLta, Cat. Hom. p. 602. 
a,b. North China, From Mr. Fortune’s collection. 
Cenrrorus HAmirer, Cat. Hom. p. 603. 
a. Port Natal. From M. Gueinzius’ collection.| 
Crnrrorus curvipEns, Cat. Mom. p. 610. 
a. Mexico. From M. Salle’s collection. ; 
CrNTROTUS LAMINIFER. 
Centrotus laminifer, Walk. Journ. Linn. Soc. i. 93, 45. 
a,b, Sarawak, Borneo. From Mr. Wallace’s collection. 
CENTROTUS LATIMARGO, 
Centrotus latimargo, Walk. Journ. Linn. Soe. i. 163, 117. 
a. Sarawak, Borneo. From Mr. Wallace’s collection. 
CENTROTUS DENSUS. 
Centrotus densus, Walk. Journ. Linn. Soe, i. 163, 118. 
a. Sarawak, Borneo. From Mr. Wallace’s collection. 
CENTROTUS OPPONENS. 
Fulvus, punctatus ; prothorax nigro unifasctatus, cornubus late- 
valibus acutis breviusculis subascendentibus postice sub- 
arcuatis; spina postica recta, attenuata, acuta, basi testacea ; 
abdomen prothoracem superans ; pedes testucet; ale cinereo- 
vitree; antice fusco subnotate, basi fulve et punctate. 
Tawny, distinctly punctured. Prothorax vertical, moderately 
high, and slightly marked with black above the head, with a black 
band between the horns; the latter are acute, rather short, very 
slightly ascending and curved backward; hind part straight, 
attenuated, acute, testaceous at the base, not extending to the tip 
P2 
