348 



examination a small tooth on each may be seen, the tooth being 

 the median culmination of a short narrow ridge. In the 

 original description the femora are not mentioned, and the 

 species was stated to have a scutellum. Probably Mr. Pascoe 

 was deceived by some clothing or dirt in the scutellar region. 



F. 'python, Pasc. (Usfrnderts, Lea). On the type of 

 listroderes all the femora have a short ridge that would pro- 

 bably be overlooked unless specially looked for, but the ridges 

 do not culminate in teeth. 



F. hisignatus, Pasc. I have been unable to find ridges or 

 teeth on any specimen of this species, although it is evidently 

 allied to exitiosus. 



P. foveipennis, Pasc. In this species the femora are not 

 dentate, but they are very conspicuously grooved. I had pur- 

 posed proposing a new genus for it on this account, but as in 

 most of its characters it appears to be a member of the exifiosus 

 group, have refrained from doing so. 



F. vaiiahilis, Lea. The femora are much as on eritiosus, 

 but the' teeth and ridges are still more feeble, and on the 

 front pair are sometimes altogether wanting. 



F. humeralis, Lea. Extremely feeble ridges and feeble 

 teeth are traceable on the four hind femora of this species, but 

 on the front pair the teeth appear to be absent, although a 

 slight swelling on each may be noticed at the position of the 

 tooth. 



Two new species of the group may also be noted. 



F. platyderes, n. sp. The four hind femora each have a 

 subtriangular ridge on tooth that is very distinct from some 

 directions, and only partially concealed by the clothing from 

 the sides; but on the front pair the teeth are less evident. At 

 a glance the species appears to belong to 'python. 



F. lafipennis, n. sp. Feeble ridges are traceable on the 

 femora, but nowhere become angular or dentate. 



POROPTERUS POSTICALIS, U. Sp 



Black; antennae and tarsi more or less red. (29) Kather 

 sparsely (more densely on tubercles and legs than elsewhere) 

 clothed with muddy-brown and ashen scales. 



Head with sparse shallow punctures, except at extreme 

 base, where they are smaller and rather dense. Eyes rather 

 coarsely faceted. Rostrum moderately long, parallel-sided, 

 and with irregular rows of coarse punctures behind antennae; 

 in front of same somew^hat wider, and with denser and smaller 

 punctures. Antennae inserted one-third from apex of 



(29) The colours of the derm and appendages are practically 

 identical in this and all the following species. 



