200 LUCANID^. 



(^. The body i« longer an<l nioie parallel-sided than that 

 of the female. The head is longer and rather narrow, the 

 canthus not produced laterally, the sides gently rounded 

 behind the eyes. The mandibles, at their maximum develop- 

 ment, are scarcely longer than the head, narrow, straight 

 cxteinally to near the tip anil serrate at the inner edge. The 

 lateral angle of the pronotiim is less blunt than in the female 

 but not sluu']). The mentum is closely clothed with erect 

 yellow hair. The abdomen is finely punctured and not shuiing. 

 The front tibia is narrow but little longer than that of the 

 female. 



Variation of the. male. In small specimens the mandibles 

 are shorter than the head, very feebly curved externally and of 

 (|uite simple form. In large specimens they are straight, less 

 Hat, and bear a strong erect tooth at the outer edge just before 

 the tip. 



$. Length (witli luan(lil)les), W'i-^A mm. ; (without man- 

 dibles) 31-43 nnu. : breadth, 15-21 mm. 



$. Length, 33-44 nun. ; breadth, 17-20 mm. 



Burma : Loimwe, South Shan States, 5600 ft. (J. P. Drnni- 

 inond, Oct.). Tonkin. 



Type in Dr. Didier's collection. 



ill . Calcodes siva. (Plate XIX, ligs. 1, 2, 4, 5.) 



Lucunufi ttira Hope & We,stoii *, Cat. Luc. Col. 1845, p. 16. 

 Odontolabifi .sira LeiitJmor. 1>au.s. Zool. Soc. Loud. 1885, j). 4;50, 



pi. 8(j, fig.s. 1-7. 

 Calcodes sim Arrow, Traus. H. l']nt. Soc. Load., 8(5. 1937, p. 241, 



pi. 1, fig. 2. 



Black and shining, with the head and the sides of the 

 j)ronotum opaijiie, the elytra very glossy, with very narrow 

 opacjue and flattened margins. The body not very broad, 

 and the prolhoi-ax with very strongly and shai-])ly ])roduced 

 lateral angles. The ])rosternuni lather feebly ])()inte(l behind. 



$. The head is I'ligosely ])unctui'c(l and opaque, with bluntly 

 triangulai- lateral lobes. The pronotum is very smooth antl 

 shining, with very minute s])arse punctures, the sides densely 

 granular and o])aque. The scufelhim is finely ])unctured. The 

 mention is coarsely rugose. 



(^. The head is finely and densely granular and ojtaque, with 

 the front ])art a little hollowed and its u])per margin gently 

 excised, i\\v side lounded iji front of the eye an<l produced into 

 a strong spiuifoiin process behind it. The pronotnm is finely 

 granular, the graiuilation becoming less dense towards the 

 middle, which is nu)derately shining. The front angles are 

 very blunt, the sides very obtusely angulate or abrui)tly 

 rounded at a short distaiu'c from the front angles, gently 



