424- DE. F. LEUTHNEE ON THE ODONTOLABINI. 



front edge only slightly emarginate, sides rounded, hinder margin straight ; elytra 

 long, the sides parallel, the tip rounded ; front tibise very short and broad, with 

 five or six spines above the terminal fork. 



Hahitat. North India, Darjiling. 



Number of specimens examined : males sixty-three, females twenty. 



The tips of the mandibles are never forked, even in the largest males. 



6. Neolucanus swinhoii (Parry), Bates. (Plate LXXXIV. fig. 15 a, h,<l; fig. 16,? .) 

 Neolucantts swinhoei, Bates, Proc. Zool. Soc. 18G(3, p. 346, fig. 2, d ; Parry, Cat. ed. iii. p. 15. 



Male. Very like N. castanopterus, but larger and broader, elytra broader and flatter, 

 canthus broader, mandibles longer than the head, forked at the tip in large specimens; 

 in small ones as in N. castanopfci'iis, but dull and shagreened, with seven or eight teeth 

 on the inside ; mentum thickly clothed with brown hair ; elytra coloured as in N. 

 castanopterus, the sides not parallel, but gradually narrowing to the tip ; front tibise 

 narrower in comparison, with four or five spines above the terminal fork. 



Female. Larger than N. castanopterus, and similarly coloured, but much more unlike 

 it than the male ; broader, head entirely different from that of N. castanopterus ? in 

 shape ; triangular, canthus broad, obliquely projecting outwards ; mentum coarsely 

 shagreened, with strongly developed crescent-shaped crest ; prothorax longer, the front 

 edge strongly emarginate ; elytra as in the male, gradually narrower to the tip ; 

 front tibise slender, with three or four spines above the terminal fork. 



Ilahitat. Formosa. 



Two males and two females, in the collections of Parry and Bates. 



7. Neolucanus paeryi, sp. n. (Plate LXXXV. fig. 4, ? .) 



Neolucanus cingulatus, p. Parry, Trans. Eut. Soc. Lend. (3) ii. p. 20 (description) ; Cat. Col. Luc. 

 ed. 3, p. 15, no. 10 (from Siam). 



Male. Shining black ; elytra resembling those of Odontolahis cuvera, Hope, chestnut- 

 brown, with a black triangular spot; head broad, emarginate in front, straight on the 



