312 DYNASTIN^. 



elytra smooth and shining, with a few coarse punctures in im- 

 perfect rows. The apical angles are sharp and slightly produced 

 inwards. The propyrjidium has a graduated series of stridulatory 

 ridges at the middle, very fine posteriorly and becoming very 

 coarse towards the anterior margin of the segment. Thepygidium 

 is finely punctured. 



S . The clypeal shield of the head is produced above into a 

 sharp-pointed short horn, slightly curving backwards. The pro- 

 notum is very deeply excavated, and the cavity is nearly smooth 

 and gives rise at its hind margin to a short elevation limited behind 

 by a carina, which is semicircular or (at its greatest development) 

 sharply angular ; above the cavity the pronotum is rugosely 

 punctured and produced forward as a broad horizontal lamina, 

 rapidly narrowing, truncate in front and abruptly reflexed. The 

 propygidium is produced at the middle almost to the extremity of 

 the pygidium. 



5 . The clypeal shield is shortly bidentate above, and the 

 pronotum coarsely punctate-rugose, with the marginal part smooth, 

 rather abruptly sloping just before the liind margin and very 

 convex above. 



Length 19-22 mm. ; hreadth 10-12 mm. 



Madras : Pondichery, Tranquebar ; Ceylon. 



285. Dipelicus lacordairei. 



Horouotus lacordairei, Sharp, Rev. et May. Zool. 1S73, p. 270. 



Chestnut-red, clothed with tawny hairs beneath, cylindrical and 

 very convex in shape. The head is smooth and \he^ pronotum very 

 coarsely rugose (some large irregular pits being distinguishable in 

 the median part), strongly rounded at the sides, with the base 

 gently curved and bearing a distinct impressed marginal line and all 

 the angles very blunt. The scuteUum is smooth and the elytra are 

 strongly and uniformly punctured, most of the punctures forming 

 deeply impressed double rows ; the apical angles are sharp and 

 slightly produced inwards. The propjigidhi.m is produced behind 

 and the median part covered with stridulatory ridges, extremely 

 fine anteriorly and becoming coarse at the hind margin. The 

 2)ygidinm is finely ])unctured. 



cJ . The head and pronotum are armed as in B. dcdalus, but 

 the cavity of the latter is deeper on each side. The propygidium 

 is produced almost to the end of the pygidium. 



2 . The clypeal shield is bluntly bidentate above, and the 

 pronotum less closely rugose in front and at the sides but not 

 behind, and scarcely sloping there. 



Length 22-23 mm. ; hreadth 10-12 mm. 



Burma : Arakan ; Malay Peninsula. 



Type in coll. R. Oberthiir. 



