424 DR. F. LEUTHNER ON THE ODONTOLABINI. 
front edge only slightly emarginate, sides rounded, hinder margin straight; elytra 
long, the sides parallel; the tip rounded; front tibie very short and broad, with 
five or six spines above the terminal fork. 
Habitat. North India, Darjiling. 
Number of specimens examined: males sixty-three, females twenty. 
Measurements. 
Total length. Head. Mandibles. Prothorax. Elytra. 
millim. millim. millim. millim, millim. 
Beasts 36 5 by 10 6 8 by 14 19 by 14 
Oe Atte 34 Gey 5 Si;sulo 19 ,, 15 
The tips of the mandibles are never forked, even in the largest males. 
6. NEoLUCANUS swinHoll (Parry), Bates. (Plate LX XXIV. fig. 15 a, 0,6; fig. 16,2.) 
Neolucanus swinhoei, Bates, Proc. Zool. Soc. 1866, p. 346, fig. 2, ¢ ; Parry, Cat. ed. ili. p. 15. 
Male. Very like WV. 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 JV. castanopterus, but dull and shagreened, with seven or eight teeth 
on the inside; mentum thickly clothed with brown hair; elytra coloured as in WV. 
castanopterus, the sides not parallel, but gradually narrowing to the tip; front tibiz 
narrower in comparison, with four or five spines above the terminal fork. 
Female. Larger than WV. castanopterus, and similarly coloured, but much more unlike 
it than the male; broader, head entirely different from that of WV. castanopterus 2 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 tibize slender, with three or four spines above the terminal fork. 
Habitat. Formosa. 
Two males and two females, in the collections of Parry and Bates. 
Measurements. 
Total length, Head. Mandibles, Prothorax. Elytra. 
millim. millim. millim. millim, millim. 
Es pee 45 6 by 12 9 10 by 18 23 by 18°5 
OR tes 34 Sg. 5 8 ,, 15 20 ,, 15-0 
7, NEOLUCANUS PARRYI, sp.n. (Plate LXXXV. fig. 4, 2.) 
Neolucanus cingulatus, p. Parry, Trans. Ent. Soc. Lond. (3) ii. p. 20 (description) ; Cat. Col. Luc. 
ed. 3, p. 15, no. 10 (from Siam), 
Male. Shining black ; elytra resembling those of Odontolabis cuvera, Hope, chestnut- 
brown, with a black triangular spot; head broad, emarginate in front, straight on the 
