100 Mr. A. G. Butler on the Genus Hemispluerius. 



head and much smoother tegmina. A small example of this 

 species from Dorey has received from Mr. Walker the MS. 

 name of H. subconcolor. 



40. Hemispheerius tristis. 

 Hemispheerius tristis, StSl, Trans. Ent. Soc. ser. 3, i. p. 587. n. 5 (1863). 

 Hab. Batchian {Wallace). Type, B.M. 



41. Hemispheerius Walkeri, n. sp. 



Hemispheerius chilocoroides [sic, nee ohilocorides], Walker, Journ. Entom. 

 p. 308 (1862). 



Hab. Siam. 



This is not at all likely to be the male of Walker's Chinese 

 species. 



42. Hemispheerius bacculinus, n. sp. 



Narrow, compressed, ovate ; frons truncate, pyriform, trans- 

 versely rugose at the sides and longitudinally depressed in 

 the middle, nearly twice as long as broad ; head rather wide ; 

 scutellum nearly equilaterally triangular ; tegmina almost 

 elliptical, appressed at the sides : frons piceous, paler on 

 vertex ; collar sordid testaceous ; scutellum piceous ; tegmina 

 deep castaneous, paler at apex and at the extreme edge of the 

 sutural margin ; venter and legs testaceous. 



Length 4 millimetres. 



Hab. Borneo (Wallace). Type, B.M. 



This species is even more compressed in appearance than 

 H. pulcherrimus. 



EXPLANATION OF PLATE IV. 



The right tegmen of the following species is figured, to show the 

 pattern. 



Fig. 1. Hemispheerius villicus, StSl. Fig. 12. Hemispheerius circumcinc- 



Fig. 2. coccinelloides, Bur- tus, StSl. 



meister. Fig. 13. signatus, StSl. 



Fig. 3. tceniatus, StSl. Fig. 14. tgpicus, Walker. 



Pig, 4. vittiger, StSl. Fig. 15. fascudiis, StSl. 



Fig. 5. pidcherrimus, StSl. Fig. 16. signifer, Walker. 



Fig. 6. nigrolineatus, Walker. Fig. 17. dubius, Butler. 



Fiq, 7, submarginalis, Walker. Fig. 18. cervinus, Walker. 



Fig. 8. lativitta, Walker. Fig. 19. jiavimncula, Walker. 



Fig, 9. dilatatus, Walker. Fig. 20. recurrens, Walker. 



Fig. 10. subapicalis, Walker. Fig. 21. variabilis, Butler, 



Fig. 11. c&ntustis,' Walker. Fig. 22. cruentatus,TSutler. 



