LUCANUS. 



43 



20 (19) Prothorax broad (jroulti Planet, p. oo. 



21 (10) Middle and liind legs viniformly dark. 



22 (25) Pronotum not shining. 



23 (24) Himl angles of the pronotum rounded, do/ieW^t Boil., p. ob. ^ 



24 (23) Hind angles of the pronotum dis- [p. 57. 



^j,j,.^ westennanni Hope, 



25 (22) Pronotum shining in the middle atratus Hope, p. 58. 



26 (1) Front tibia finely serrate externally. 



27 (28) Upper surface black obcrthun Planet, p. o9. 



28 (27) Upper surface metallic green or 



coppery. 



29 (30) Body short and broad le-'^nci Planet, p. bU. 



30 (29) Body long and narrow gracilis Albers, p. 61. 



Key to the Species (females). 



1 (2) Hind angles of the pronotum rounded, /a //h'/;?/?;- Wat., p. 44. 



2 (1) Hind angles of the pronotum distinct. 



3 (22) Front tibia not finely serrate externally. 



4 (11) Lateral angle of the pronotum very 



blunt. 



5 (S) Femora l)lotched with yellow. 



6 (7) Elytra yery dull cantori Hope, p. 51. 



7 (6) Elytra shiAing fuirmairei Plan., p. 54. 



8 (5) Femora not blotched with yellow. 



9 (10) Elytra smooth, shining, yery feebly 



punctured mcaresi Hope, p. o6. 



10 (9) Elytra closely punctured and hairy. . lunifer Hope, p. 45. 



11 (4) Lateral angle of the pronotum well 



marked. 



12 (21) Head angulate before the eye ; elytra 



very closely punctured. 



13 (81) Head with a slight curved ridge above 



the eye. 



14 (15) Lateral angle of the pronotum very 



sharp furdjer, sp. n., p. 4/. 



15 (14) Lateral angle of the pronotum not 



very sharj). 



16 (17) Sides of the i)ronotum coarsely punc- [P- o/. 



tured, elytra not long and narrow. . wcslcrmanni Hope, 



17 (16) Sides of the pronotum not coarsely 



punctured, elytra long and narrow . fnji Boil., p. 48. 

 \i (13) Head without curved lateral ridges. 



19 (20) Sides of the pronotum very finely 



sculptured smiihi Parry, p. 49. 



20 (19) Sides of the pronotum coarsely sculp- 



t^ired villosus Hope, p. 50. 



21 (12) Head not angulate before the eye, 



elytra sparsely punctured atratus Hope, p. 58. 



22 (3) Front tibia finely serrate externally. 



23 (26) Elytra black. . _ 



24 (25) Elytra not very shining oberthurt Plan., p. o9. 



25 (24) Elytra very shining . (jroidti Plan., p. 55. 



26 (23) Elytra metallic lesnei Plan., p. 60. 



The females of L. dohertyi and gracilis are at present 

 unknown. 



