COLEOrTERA FROM RIOUW. 215 



margin of' the clypeus ^), and by the different shape of the 

 stridulating organs '^), I thiuk it to be advisable to separate 

 these species generically from Hope's genus Dipelicus. 1 

 propose the name Neodipelicus for the new genus. 



4. Xylotrupes Gideon Linu. var. 



A male and a female. — ■ The cT is of intermediate deve- 

 lopment; its elytra are very distinctly punctured (each 

 puncture with a short erect hair), not strongly shining , 

 the apical half of their lateral margin and their apex opaque. 

 The 9 is of a remarkable elongate and parallel shape. — 

 1 believe this form to be Xylotrupes Beckeri Schaufuss 

 (Horae Societ. Entom. Rossicae XIX (1885), p. 193) from 

 Singapore. 



Ceranthycidae. 



5. Eurycephalus Lundi Fabr. 



One example , 9- — Represented in the Leyden Museum 

 by specimens from Java, Sumatra, Banka and Borneo. 



6. Epepeotes luscus Fabr. 



One example, 9» — Represented in the Leyden Museum 

 by specimens from Java , Sumatra , Banka , Billiton and 

 Timor. 



7. Monohammus Jistulator Germ. 



One example , 9' — Represented in the Leyden Museum 

 by specimens from Java , Sumatra and Saleyer. 



8. Batocera Thomsoni Javet. 



One example , cf . — Represented in the Leyden Museum 

 by specimens from Borneo , Sumatra and Banka. 



9. Coptops lichenea Pasc. var. ? 



One example , 9- — Perhaps it may prove to belong to 



1) lu tlie true Dipelicus-species the head is triangular in front, and the 

 frontmargin not reflexed. 



2) lu the true Dipelicus-s\^ticies the stridulating organs (on the middle of 

 the propygidiura) have the shape of a broad V, indistinctly divided by a some- 

 what smoother mesial line, in the abeiraut ones however, they occupy a parallel- 

 sided, rather narrow streak on the middle of the propygidium 



Notes frora the Leyden ]VIuseuin, "Vol. IX. 



