86 LUCANID^. 



95 (82) Up2Jer surface not entirely black. 



96 (97) Front tibia straight foveaius Hope, p. 165. 



97 (96) Front tibia curved. 



98 (99) Body rather short ^joZi<tts Parry, p. 150. 



99 (98) Body rather long. 



100 (101) Hind angles of pronotuni obtuse .. . jeiikiiisiWestw.,p. 124. 



101 (100) Hind angles of pronotum wanting. . macdellandi Hope, 



102 (41) Mandibles compressed and bifurcate. [p. 125. 



103 (108) Pronotuni with lateral angle [p. 171. 



104 (105) Body black platycephalus Hope, 



105 (104) Body brown or yellow. 



106 (107) Pronotum entirely shining am 6m<ens Parry, p. 168. 



107 (106) Pronotum dull at the sides iucidus Boil., p. 170. 



108 (103) Pronotum without lateral angle. 



109 (110) Upper surface black humilis Arrow, p. 14(t. 



110 (109) Upper surface dark red groulti Plan., p. 142. 



The females of the following species are unknown to 

 me : — 



Dorcus elegans Parry, groulti Planet, perplexus Parry, 

 arrowi Boil., boreli Boil., castaneicolor Arrow, henry i Arrow, 

 nageli Aitow, vernicatus Arrow, spencei Hope, and prosopo- 

 cceloides Houlb. 



27. Dorcus antaeus. (Plate Vll, figs, 5, 6.) 



Dorcus antxus Hope,* Proc. Ent. Soc. Lond. 1842, p. 83 ; Hope & 



Westw., Cat. Luc. Col. 1845, p. 20 ; Arrow. Aim. Mag. Nat. Hist. 



(11) ii, 1938, p. 53 ; Did., Luc. du Globe, 1928, p. 47, figs. 14-19. 



V- Lvcaniis scaritides Hope & Westw.,* Cat. Luc. Col. 1845, \). 24. 



RhseUis parryi Boil., Mem. Soc. Ent. Belg. ix, 1902, p. 49, pi. 2, fig. 2. 



Dorcus yaksha Gravely,* Rec. Lid. Mus. xi, 1915, p. 422, pi. 29, fig. 1. 



Entirely Jet-black, very smooth but not very shining, the 

 form not very convex, the legs rather stout. The eyes very 

 small, the canthus extending to the middle of the eye and not 

 laterally prominent. The prosternum broad and fiat between 

 and behind the coxa?, gently rounded and scarcely elevated 

 behind. 



$. The head is coarsely rugose and lias a pair of small 

 tubercles in the middle, the ch^ieal process is prominent and 

 feebly bilobcd. The pronotum is rather dull, with the sides 

 narrowly rugose, the lateral edges gently rounded and very 

 feebly angulate behind the middle. The elytra are also rather 

 dull, with the sides rugosely punctured. The metastermiw is 

 smooth and shining in the middle and rugose at the sides. 

 The sides of the abdomen are rugoscl}' ])unctured and the 

 terminal sternite closely ])uncturcd. The front tihio. is forked 

 at the end. 



(^. Rather l)road and (U-pressed. The head is broad and 

 opacjue, the mandibles rather short, fai- a])art at the base, 

 th(! clypeal process extre))iely short and l)road, with the front 



