164 
22. Colohothea latevittata, n. sp. 
C. elongata, angustior ; thorace sordide fulvo-cinereo, vitta lata me- 
diana alteraque tenui lateral! fuscis ; elytris postice attenuatis, 
humeris valde obliquis, fuscis, maculis fulvo- vel sordide cinereis 
plagiatim conspersis. Long. 4-5 lin. S $ • 
Head blackish, streaked with tawny, vertex with a single 
tawny line extending to the occiput. Antennse long and slen- 
der, dusky brownish at the tips and ashy at the bases of the 
joints. Thorax with a small acute prominence on each side near 
the base ; clothed with dingy tawny or ashy tomentum, leaving 
a broad stripe in the middle and a slender line on each side of 
the disk dark brown. Elytra rather slender and tapering; 
shoulders very oblique, apex somewhat narrow and sinuate-trun- 
cate, with sutural angle slightly prominent, external dentiform ; 
surface brown, covered with dingy ashy or tawny spots, which 
unite together in patches, leaving irregular brown spaces. Body 
beneath dingy tawny ; abdomen not spotted with black on the 
sides. Legs rusty brown, varied with black, and ringed with 
ashy. 
^ . Anterior tarsi dilated and fringed. Terminal abdominal 
segment short, truncated; ventral plate emargiiiated at the 
apex. 
$ . Terminal abdominal segment greatly elongated and sub- 
tubular ; dorsal plate slender, obtuse ; ventral truncated, angles 
not produced. 
Var. Obydensis. A female example in my collection from 
Obydos, on the Guiana side of the Lower Amazons, differs from 
the typical form in having a distinct quadrate silky-brown spot 
on each elytron close to the apex, and also a distinct broad 
dusky stripe along the episterna of the prothorax. 
Taken at Carepi, near Para; found also, but sparingly, at 
Santarem and at Ega. 
23. Colohothea styligei'aj n. sp, 
C. elongata, thorace fulvo-cinereo, vitta lata mediana alteraque tenui 
lateral! velutino-nigris, lateribus infra cinereo-fusco late vittatis ; 
elytris postice attenuatis, cinereo-fulvo dense confluenter maculatis, 
relictis utrinque macula rotundata pone medium alteraque qua- 
drata apical! nigro-fuscis. Long. 6 lin. d $ • 
Head blackish, streaked with tawny ; vertex with a single 
tawny line. Antennse blackish, bases of fourth to sixth joints white. 
Thorax with the posterior angles extending laterally towards 
the shoulders of the elytra, above tawny fulvous, with a broad 
velvety-black central vitta, and a narrow lateral line of the same 
colour. The episterna have a broad ashy-brown stripe. Elytra 
