"loS rRK'HOGOMPIinS SEMMELINKII. 



NOTE XXX. 



DESCRIPTION OF A NEW SPECIES OF THE DYNAS- 

 TID GENUS TRICHOGOMPHUS, BURM. 



BY 



C. RITSEMA Cz. 



Trichoc/ omphus Semmelinkii, sp. n. cT. 



Appears to be allied to Trichogomphus Martahani Guer. ') 

 from the coast of Martaban aud the frontiers of Sylhet, 

 by its punctate elytra , but is undoubtedly distinct , the 

 cephalic horn being provided on the hinder surface of its 

 apical half with a strongly compressed protuberance, the 

 anterior margin of the prothorax being only inconspicu- 

 ously emarginated behind the cephalic horn , the upper 

 surface of the prothorax being regularly excavated and 

 not obliquely raised towards the base (see Guerin's figure), 

 which gives a very different aspect to the prothorax when 

 seen sideways. 



Length 45 — 55 mm. — Upper surface , tibiae and tarsi 

 black ; under surface , femora and club of the antennae 

 dark chestnut-brown ; the pubescence of the under surface, 

 legs and antennae reddish. 



The anterior margin of the clypeus is straight ^vitb 



1) Voya-ge aux Indes-Orientales etc., par Ch. Belanger. Zoölogie (1834) 

 J). 484. Insectes pi. 1, fig. 3 {Oryctes). — Burmeisfer, Jlandhuch der Ento- 

 mulofjie. Bd. V (1847) S. 220, N». 2. — Dohrn, Stefthi. Entom. Zeitumj 

 Jahrg 2C (1865) S. 371. 



Notes troiM the Leyden !Museuin, Vol. III. 



