268 PASSALID^. 



Length, 32 to 33 mm. ; breadth, 12 jnm. 



Ceylon : Ratnaijura District (according to GVareZ?/). 



Type ? in the Berlin Zoological Museum. 



Differences noted by Gravely between this and M. rotund- 

 ifrons in the jjuncturing of the mentum, dejiressions in the 

 anterior angles of the thorax and the mesosternal scars, do not 

 seem to be constant ; but the three specimens in the British 

 Museum have markedly thinner fringes to the middle tibiae 

 and longer terminal lamellae to the antemise. One of the three 

 specimens is probably a co-tj'pe of the species. 



170. Macrolfnus obesus. (Plate XXIII, fig. 12.) 



Macrolimis obesus Gravely,* Mem. Ind. Mus. vii, 1918, p. 80, 

 fig. 9 (1). 



Rather short, very convex, not parallel- sided, the elj^tra 

 fused together and immovable, with rounded sides. The 

 middle tibia bears a fairly long and close brush of hairs iqjon 

 the uj^per surface. The club of the antemia consists of three 

 moderately long lamellae and three very short ones. The head 

 is rather smooth, with only a very few jDunctures and almost 

 destitute of hairs. The front margin is straight, the marginal 

 processes are symmetrical and triangidar, the median process 

 rather sharply elevated, the frontal ridges strongly bisinuate, 

 forming an acute angle, and rather wide apart in front, where 

 they are united by a sharp ciu'ved carina. The eyes are small, 

 the supraorbital ridges short and rounded. The labrum is 

 shming and bears only a few setigerous punctures. The 

 projwtiim is relatively long and has a very slight incomplete 

 median groove and a fine lateral groove, which extends only 

 a short distance along the front and hmd margins. There are 

 a very few punctures in the front angles and in the lateral scar, 

 which is very small. The elytra are rather narrow at the 

 shoulders, dilating behmd and fairly broad beyond the middle. 

 They are deeply sulcate, with convex intervals, the dorsal 

 grooves are very minutely punctured, the lateral grooves 

 broad and finely but conspicuously punctured. The tnentum 

 is strongly 2)unctured at the sides and the base has an oval 

 impression on each side and a few punctures in the middle. 

 The metasternum is widely and densely punctured at the sides 

 and coarsely and closely on each side of the base. 



Length, 33 mm. ; breadth, 12 mm. 



Ceylon : Belihul-oya (/. Z. Kamiegieter, April to June). 



Type in the Indian Museum, Calcutta ; co-type in the 

 British Museum. 



As indicated by the abbreviate<l and rounded elytra, this is 

 one of the flightless species, which in some parts of the world 

 are fairly numerous. 



