DR. F. LEUTHNER ON THE ODONTOLABINI. 471 



amis. Head flattened, longer ; canthus not so broad in front of the eyes ; mandibles 

 shorter than the head, and not very much curved, rounded, with five apical and two 

 basal teeth ; prothorax as in 0. brooJceanvs, but with the sides more rounded. Head 

 and mandibles uniform black, with fine granular punctuation ; mentum and gula with 

 brown hair ; prothorax coloured as in 0. Irookeanus above ; under-surface dark blackish 

 brown, with a reddish-brown spot on each side ; elytra straw-coloured, with a black 

 basal band parallel with the base, and broader than in 0. brookeanus, recurved rim 

 black both above and below. Legs black, under-surface of the- femora with a reddish- 

 brown spot as in 0. lacordairii. Mesosternum and abdomen with reddish-brown spots. 

 Front tibise as in 0. brookeanus, long, and slightly incurved, with a double terminal 

 fork (a fork both on the inside and on the outside), above which are two slender spines. 



A single male (the type) in Major Parry's collection. Female unknown. 



Habitat. Borneo. Discovered by Lowe. 



26. Odontolabis latipennis, Hope. (Plate XCVI. figs. 1, 3, d ; figs. 2, 4, $ .) 



? . Lucanus latipennis, Hope, Cat. Luc. Col. p. 17 (type in Oxford) (1845). 



(J . Lucanus dejeani, ReichCj Rev. & Mag. Zool. (2) iv. p. 23, pi. i. fig. 4 (good figure) (1852). 



Odontolabis dejeanii, Parry, Trans. Ent. Soc. Lend. (3) ii. p. 76. 



"i Odontolabis dejeanii, var. nigra, Veil. Tijdsclu". Ent. iv. p. 108. 



Male. Black, elytra dark nut-brown. Head flattened, similar to 0. gazella and 

 0. castelnaudi, broad ; canthus broad, spine behind the eyes acute and straight, or 

 sloping slightly forwards, head sloping obliquely behind; front edge slightly emar- 

 ginate, never crested ; clypeus triangular, descending vertically below the closed mandi- 

 bles ; mandibles broad, upper surface flattened, horizontal, as long as the head, strongly 

 curved, with from seven to nine unequal teeth on the inner side ; under-surface convex. 

 Head and mandibles with coarse granular punctuation. Prothorax broader than the 

 head, resembling 0. castelnaudi, the front edge strongly emarginate on each side ; 

 sides nearly straight, with all the angles almost rounded ofl'; hinder edge strongly 

 waved, but not emarginate at the sides. Upper side shining, towards the margins 

 dull, with fine granular punctuation, margins beneath smooth. Elytra broadly oval, 

 shining, dark nut-brown, very finely punctured. Legs black, front tibise long, some- 

 what curved, dull, with five acute teeth above the terminal fork, middle and hind tibiae 

 thickly clothed with reddish-brown hair on the inner side. 



