FAUNA SIMALURENSIS. 177 



NOTE XVII. 



FAUNA SIMALURENSIS. 

 COLEOPTERA, EAM. LUCANIDAE 



BY 



C. RITSEMA Cz. 



Only four representatives of the family Lucanidae, be- 

 longing to three species, have been sent over from the 

 island of Simalur (west of North Sumatra) by Mr. Edw. 

 Jacobson, one of which is new to science. 



1. Odontolabis latipennis Hope, Cat. Lucan. 1845, p. 17. — 

 Leuthner, Trans. Zool. Soc. London, XI, 1885, p. 471. 



Two females of a pitchy black colour, both from Sina- 

 bang, one (the smallest) captured in February, the other 

 in April 1913. 



The smallest specimen (n". 1271), which measures 35 

 mm., has two impressions on the face between the front 

 margin of the eyes; the space between these impressions 

 is slightly raised and less densely punctured than the sur- 

 rounding parts of the face. 



The larger specimen (n". 2142) measures 46 mm. in length. 



This species is also known from Malacca, Prince of 

 Wales' Island, Sumatra, Banka, Borneo, and, according to 

 Junk's „Coleopterorum Catalogus", also from Nias. 



2. Cijdomiiiatus simalur ensis^ nov. spec, cf . 



One male (forma major) from Sinabang, April 1913 

 (nO. 2141). 



Length from the tip of the clypeus to the apex of the 

 elytra 26 mm., that of the mandibles, measured on the 



Notes from the Leyden Miuseum, ^'ol. XXXV. 



12 



