432 _DR. F. LEUTHNER ON THE ODONTOLABINI. 
clypeus raised, strongly punctured, wrinkled, slightly convex, nearly straight ; canthus 
as broad as or broader than the eye, and strongly and coarsely punctured; mandibles 
short, strongly convex on the outer side; upper and under sides flattened, coarsely 
granulated, with a long tooth at the tip and three small ones in the middle; mentum 
long, with a crescent-shaped crest; prothorax broader in front than in WV. lama, the 
front edge strongly emarginate on each side; front angles somewhat rounded, the 
sides slightly curved ; middle projection rounded, behind which the sides are somewhat 
emarginate ; hind margin nearly straight; elytra oval, with the shoulders rounded, 
dark nut-brown, with a distinct black stripe on the suture; front tibie long and 
narrow, with six spines above the terminal fork, 
Habitat. North India, 
Two males and two females in the collection of Major Parry and the British Museum. 
Measurements. 
Total length. Head. Mandibles, Prothorax, Elytra, 
millim. millim. millim, millim. millim. 
3, type (Parry) .... 615 8:5 by 165 15 12 by 24 31-5 by 25 
3 (Brit. Mus.).,..,, 61 85 ,, 16 15 We wey 2S 31 sy, 23:5 
@, type (Parry) .... 57 8:5 ,, 16 8:5 12 ,, 24 33 ,, 26 
© (Brit. Mus.)...... 52 Seed} 85 11°5 ,, 23 29 4, 22°5 
(2) OponToLaBIs *. 
(ddvds, tooth ; Aa/és, forceps.) 
Odontolabis, p., Hope, Cat. Luc. Cal. pp. 5, 13. 
Anoplocnemus, p., Burm. Handb. d. Ent, y. p. 357. 
Calcodes, Westw. Ann. Sci. Nat. ser. 2, 1. p. 118. 
Male. Head large, quadrangular, flattened, with an occipital crest, but in large 
specimens the frontal crest is often prominent; the labrum often projects between the 
mandibles, above which it frequently forms an epistoma ; mandibles polymorphic, the 
largest being as long as the head and thorax together, and the smallest only as long as 
the head; eyes entirely enclosed by a canthus, behind which is a straight or curved 
spine; sides of the prothorax generally with spines, which are frequently rounded at 
the tips; prosternal process generally prominent, and the mesosternal process like- 
wise often well developed; front tibia much longer than the four hind tibiz, straight 
or incurved, and provided with a terminal fork, and with several spines on the outer 
side; the four hind tibie unarmed ; all the tarsi hairy. 
Female. Resembles the female of Neolucanus. Mentum generally flattened; pro- 
sternal process usually well developed (p. 434). 
Most of the species of Odontolabis are large and flattened insects, with large and 
variously formed mandibles in the male, The number of the spines on the front tibiz 
(although not constant) is of considerable importance in the discrimination of species. 
1 Although the name Odontolabis is feminine, I have not thought it necessary to make the specific names 
agree with it, as the English authors haye invariably used masculine names, 
