LIST OF HO.AIOPTEROUS INSECTS. 605 



less curved backward at the tips : legs generally quite black. Length 

 of the body 3 — 4 lines ; of the wings 6 — 8 lines. 



rt, h. Tenasserim. Presented by — Packman, Esq. 



c. North Bengal. From Miss Campbell's collection. 



d. Philippine Islands. From Mr. Cuming's collection, 

 e,/. Philippine Islands. From Mr. Wood's collection. 



15. Centrotus vicaeius, Fem. 



Niger ; abdomen supra canum ; tarsi posterinres picei ; ala lim- 

 pidcE ; alee anticce ad costce apicem fusco vittatce. 



Has the structure of the two preceding species, but the horns 

 of the fore-chest are shorter ; they are also more curved at the lips 

 than those of C. reponens : wings colourless ; a brown stripe along 

 the tips of the fore borders: legs black; posterior tarsi pitchy. 

 Length of the body 3^ lines ; of the wings 7 lines. 



a — c. Java. From Mr. Melly's collection. 



d. ? Presented by J. G. Children, Esq. 



e,f. ? 



16. Centrotus substitutus, Fem. 



Niger ; pectus Jlavo-pubescens ; abdomen supra canum ; tarsi 

 picei; tarsi postici fulvi ; alee nig ne. 



Like the three preceding species in structure : horns of the 

 fore-chest like those of C. vicarius : breast with a thick patch of 

 pale yellow down on each side in front: legs black; tarsi pitchy ; 

 hind tarsi tawny : wings black ; tips colourless ; veins tawny. Length 

 of the body 3 lines ; of the wings 6 lines. 



a. North Bengal. From Miss Campbell's collection. 



17. Centrotus horkidulus, Fem. 

 Niger, tuberculatus ; tarsi ferruginei ; ahe fuscce. 



Body black, dull, clothed with tawny down, tuberculate : head 

 triangular, hardly broader than long, nuich narrower than the fore- 

 chest ; hind border of the face obconical, occupying half the len<nh 

 of the head : fore-chest thick, vertical al)ove the head ; shoulders 

 rounded, not prominent; horns above theui diverging or ascending 



