232 Dr. Malcolm Cameron on 



ventral segment keeled. Legs moderate; tarsi short, 5-jointed, 

 the anterior pair with the iirst three joints shortly triangular, the 

 1st of them considerably broader than those following, the 3rd 

 narrower than the 2nd, the 4th small, semicircular, the 5th elongate, 

 as long as the three preceding joints together; middle tarsi with the 

 first two joints broader than those following, the 1st longer than the 

 2nd, the 3rd and 4th smaller, about as long as broad, the 5th as long 

 as the three preceding together; posterior tarsi with the 1st joint 

 a little longer and stouter than the 2nd, the 2nd and 3rd subequal 

 a little longer than broad, the 4th as long as broad, the 5th as long 

 as the preceding three together. All the claws simple ; tibiae feebly 

 setose. Appears to be related to the Trichophyini and Tachyporini. 



45. Megarthropsis decorata, n. sp. 



Elongate, fusiform, moderately shining, black, the sides and pos- 

 terior half of the thorax, abdomen and legs reddish- testaceous. 

 Antennae long, slender obscure testaceous, the middle joints infuscate. 

 Length 4 mm. 



Head black, transverse, subtriangular, produced in front, gradually 

 narrowed, and rounded, and finely bordered ; eyes large and promin- 

 ent; temples very small, forming an obtuse tooth; coarsely and 

 rugosely punctured, the front smooth and shining. Antennae long, 

 slender reaching the posterior margin of the elytra, the 1st joint 

 cylindrical as long as the 3rd, the 2nd much shorter, 3rd and 4th 

 joints subequal, 5th, 6th and 7th subequal, each a little shorter 

 than the 4th; 8th. 9th and 10th slightly decreasing in length, much 

 longer than broad, 11th elongate, pointed, as long as the 10th. 

 Thorax strongly transverse, broader than the elytra, widest at the 

 middle, from thence equally narrowed and strongly rounded in 

 front and behind, slightly emarginate behind the anterior angles. 

 which are rounded and produced, minutely notched in front of 

 the posterioi angles, which are rectangular; anterior border broadly 

 emarginate, the sides broadly explanate; sculpture coarse and 

 rugose. Scutellum reddish-testaceous, coarsely punctured. Elytra 

 more than half as long again as the thorax, square, coarsely and 

 closely punctured, the sides with very short, stout setae. Abdomen 

 elongate, pointed, reddish- testaceous, the 4th and 5th (visible) 

 segments a little infuscate, finely, indistinctly and moderately 

 closely punctured, ground-sculpture indistinct, coriaceous; lateral 

 setae wanting. 



J. Eighth dorsal segment divided by three narrow triangular 

 excisions into lour pointed, triangular processes, of which the central 

 pair arc a little longer than the lateral, these latter furnished at the 



