DE. F. LEUTHtfEU ON THE ODONTOLABINI. 421 



scattered punctures; prothorax, front edge strongly indented on each side, sides 

 and hinder margin nearly straight ; prosternal process rounded ; elytra strongly convex, 

 arched, of a long oval shape; front tibiae rather broad, with four spines above the 

 terminal fork ; mandibles shorter than the head, each with four or five small irregular 

 teeth on the inner side. 



Female. Pitchy black, shining; elytra much longer than the front part of tlie body; 

 head broad, moderately convex, front coarsely punctured ; canthus as broad as the eyes ; 

 mentum strongly and coarsely punctured ; prothorax flattened, shaped as in the male ; 

 prosternal process canaliculated ; front tibiae broad, with three or four spines above the 

 termmal fork ; middle and hind tibise with a small hook-shaped projection on the 

 inside at the tip. 



Locality. Java. 



Number of specimens examined eighty. ' 



Elytra. 



millim. 

 20 by 15-5 

 18 „ 13-0 



This species occurs only in Java, and not, as Hope believed, in Assam. The males 

 vary but little in size. Their mandibles are always simple and priodont. 



2. (?) Neolucanus l.\nsbeegii, sp. n. (Plate LXXXIV. fig. 4.) 



Male. Unknown. 



Female. Most resembling that of N. laticollis, from Java, in shape and size. Head 

 broad, quadrangular, moderately convex, coarsely shagreened in front, finely behind ; 

 canthus rounded ofi', nearly as broad as the eye ; mentum coarsely punctured, without 

 hair ; gula with an enamel-like lustre ; prothorax broader than in iV". laticollis, the 

 sides rather more oblique, strongly convex, and very finely punctured ; under-surface 

 with an enamel-like lustre ; prosternal process but slightly developed ; elytra long, 

 oval, rounded off' both at the shoulders and at the tip, strongly convex ; uniform jet- 

 black, with a dark reddish-brown spot on each elytron, commencing about 4 millimetres 

 behind the shoulders and ending near the tip ; it is pointed in front and rounded 

 behind ; the outer side is parallel with the black borders of the elytra ; the inner side 

 is straight, and runs diagonally from the shoulder to the tip ; rim of the elytra black 

 beneath ; front tibiee straight ; terminal fork well developed, and two or three straight 

 and well-developed spines on the outside. 



Eahitat. Eastern Sumatra. 



Unique, in the collection of Herr van Lansberge, after whom I have much pleasure 

 in naming it. 



