DR, F. LEUTHNER ON THE ODONTOLABINI. 491 
Figs. 6, 7, 8, 10, 11, 12. O. sommeri, p. 467: 63 X, mesodont (type?); mandibles as 
in fig. 2; 7d X, amphiodont; 8d x, priodont; 109 x, 119 x, 122, 
exhibiting variation in colours of prothorax and elytra. 
Fig. 9. O. lowit, p. 470: 94, amphiodont, unique (type). 
Figs. 13-18. O. brookeanus, p. 469: 134, telodont, always smaller than the largest 
priodont specimens; 14 ¢, amphiodont; 15 ¢ x, priodont; 16, 17, 18, colour 
varieties of females. 
A. Hairy mentum and gula of 0. sommeri, O. lowii, and O. brookeanus. B. Hairy 
mentum of O. castelnaudi. 
PLATE XCVI. 
Figs. 1-4. Odontolabis latipennis, p. 471: 16,22, 2a, mentum; 34, small race 
from Banka; 42, small race from Banka. 
Figs. 5, 6. O. fratellus, p. 472: 53, 62, figures inexact. 
Figs. 7-9. O. camelus, p. 446: 73 X,83,92x. 
Figs. 10, 11. 0. gazella, p. 463: 106 (=0. bicolor, Oliv.); 100, mesodont; 1192 
(compare type, Pl. XCI. fig. 6). 
Fig. 12. 0. inequalis, p. 465: 12%,120x ¢. 
PLATE XCVII. 
Figs. 1-3. Odontolabis striatus, p. 477: 1,26; 32. 1, var. cephalotes from Borneo ; 
1}, under-surface of head and mandibles; 5 6, head ( @ ) slightly enlarged. 
Figs. 4-6. O. wratus, p. 473: 4,53; 692, enlarged; 40, hairy mentum of fig. 4. 
Figs. 7-13. O. carinatus, p. 474: 76 X (=O. nigritus, Deyr.); 83 X, Linnean type! 
93x; 10¢9,11,12x,13~x, large males of a hairy race (0. cingalensis, Parry) ; 
13, exhibiting three or four longitudinal stripes on the elytra by abrasion; 14x, 
large female of var. cingalensis ; 126, prosternal process: profile; 12 c¢, mentum 
and gula, with traces of a hairy covering. 
