DR. F. LEUTHNER ON THE ODONTOLABINI. 489 
PLATE LXXXVI. 
Figs. 1-7. Odontolabis siva, p. 436: 163,72 x. 1, 2, telodont; 1 with rounded 
and convex, 2 with flattened mandibles; 1 with long, and 2 with broad elytra. 
3, amphiodont (compared with the type at Oxford); 4 (amphiodont); 4, 5, 6 
(priodont): a, mentum (telodont); ¢, mentum (priodont); 6, under-surface of 
prothorax (telodont); d, ditto (priodont); ¢, head and prothorax of fig. 6, repre- 
sented twice the natural size. 
PLATE LXXXVII. 
Figs. 1-3. Odontolabis gracilis, p. 438: 1¢ X (telodont); 1a, profile, with strongly 
developed prosternal and mesosternal process; 2 ¢ (amphiodont); 26, thorax 
(profile); m, mentum, ¢; 32 X (head rather too long). 
Figs. 4-7. 0. dalmani, p. 439: 4x(4a, profile), 5,6¢,72 x. 
G. & D. Under-surface of prothorax in 0. gracilis and 0. dalmani ( ¢ ). 
G'. & D'. Ditto, ditto ( ¢ ). 
PLATE LXXXVIII. 
Figs. 1, 2, 8, 5. Odontolabis bellicosus, p. 441: 1,2X,3x ¢,52. 1, telodont, with 
a single central tooth; 2, telodont, with two basal teeth; 3, priodont (= 
O. serrifer, Hope); 5b, prosternal process (2); ¢, mentum (¢); 26, prothorax 
(3), under surface. 
Figs. 6-8. 0. celebensis, p.442: 63 x (telodont), 7 ¢ X (amphiodont), 8 ¢ x (priodont). 
Figs. 9-12. O. platynotus, p. 435: 9,10,11¢; 122 x. 9, telodont (front tibie rather 
too broad); 10, amphiodont; 10 4, prothorax (under surface); 11, priodont, with 
a retracted head; 9, under-surface of head and mentum. 
PLATE LXXXIX. 
Figs. 1-8. Odontolabis alces, p. 443: 1-76, 8¢. 1, telodont (= O. dux, Westw.) ; 
2, profile of type, with large frontal crest; 3, mesodont; 4, ditto, with a small 
projection on the basal side of the central tooth, and rather more rounded 
mandibles; 5, amphiodont (= 0. cumingi, Hope); 6, 7X, priodont (sides of 
prothorax trispinose in fig. 6 and rounded in front in fig. 7). 
PLATE XC. 
Figs. 1-4. Odontolabis stevensi, p. 447: 1, 2x, 36,42. 1, telodont, with broad 
thorax; 2, var. bidentata; 3, priodont, with narrow prothorax, as in female. 
Figs. 5-9. O. duivenbodii, p. 449: 5x,6xX,7,8X d,9x g. 5a, front view of the 
broad quadrangular clypeus of fig. 5. 
VoL. X1.—Part x1. No. 14.— November, 1885. 4B 
