404 LAMIIDiE. 



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 5| 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, ; afodomine 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 



