404 lamiidjE. 



on the head ; inside it is a darkish band, traversing the dorsal 

 tubercle ; scutellum with the sides black and a widish fulvous 

 band down the middle. Elytra beyond the middle with a large 

 roundish black spot which is margined with yellow ; near the 

 tip is an ochraceous line which bends up at the margin ; under 

 side of body rather thickly covered with greyish-yellow hairs, 

 the sides of abdomen indistinctly spotted with black. Legs with 

 the two basal joints of the tarsi and a widish band round each 

 tibia of a pinkish flesh-colour ; last joint of abdomen excised 

 in an arcuated form, that part hollowed out and longitudinally 

 striated. 



Length 5f lines. 

 Hab. Brazil (Ega) (Coll. W. B. Bates). 



40. ACANTHOTRITUS, n. g. 



Head wide in front ; antennae with the first joint much thick- 

 ened, the third at the tip with a strong spine standing out at 

 right angles ; the fourth dilated and compressed at the tip ; the 

 joints gradually decreasing in length till the last, which is very 

 short. Thorax with the sides produced into a large conical tu- 

 bercle. Tibiae, especially the fore ones, dilated and flattened at 

 the end. 



1. ACANTHOTRITUS DORSALIS, n. S. PI. X. f. 2. B.M. 



A. pallido-fuscus albo-irroratus ; capitis lateribus et vertice albo- 

 fasciatis ; thoracis lateribus et dorso medio albo-fasciatis ; scu- 

 tello albo ; elytris singulis ad basin unituberculatis, post me- 

 diam partem striga abbreviata undulata, nigra, suturam non 

 attingente, albis ; humero, margine a basi ad medium fuscis ; 

 macula hastata, communi, fusca ; abdomine subtus fusco, 

 albido irrorato. 



Palish brown thickly sprinkled over with small white dots; 

 sides of head and vertex each with a wide white band. Thorax 

 with a lateral whitish band below the spine and continuous with 

 that on the side of the head ; down the middle a whitish band 

 continuous with that on the crown ; scutellum white. Elytra : 

 each with a tubercle near the base, behind it a depression of con- 

 siderable extent ; beyond the middle and approaching the suture 

 there is a small arcuated ridge, the elytra on both sides of it 

 being slightly hollowed ; the greater part of each elytron is 

 whitish ; the shoulder and the space from it to the tubercle and 

 down the margin to beyond the middle pale brown, punctulated 



