168 GUY A. K. MARSHALL. 



A. morio, Heller, from South India, is also of very similar appearance, but the 

 elytra are much less narrowed behind, the front coxae are closely approximate, and 

 all the tibiae lack the median tooth and the subapical one is inconspicuous. 



Subfamily Crvptorrhynchinae. 



Mecistocerus fumosus, sp. nov. (fig. 4). 



^ $. — ^Colour black, with dense blackish or very dark sooty brown scaling 

 above, sometimes sparsely variegated with lighter brown scales ; the lower surface 

 with dense sandy brown scaling, the venter with a very broad, median, dark brown 

 stripe throughout. 



Fig. 4. Mecistocerus fumosus, sp. n, 



Head with the vertex bare and with coarsely reticulate punctures ; the anterior 

 part densely clothed with curled scales, completely hiding the integument, which is 

 much more finely sculptured than the vertex, bearing shallow larger punctures 

 interspersed with much smaller ones ; the frontal fovea very deep and elongate, the 

 scales between it and the eye mostly erect. Rostrum of ^J blackish in the basal half 

 and red-brown towards the apex, coarsely punctate towards the base and there 

 tricarinate dorsally, the apical part finely and sparsely punctate, the antennae 

 inserted at the middle ; of $, paler, a little longer and more slender, more finely 

 punctate throughout, and with the antennae inserted behind the middle. Antennae 



