of the Amazons Valley. 391 



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 styligera, n. sp. 



C elongata, thorace fulvo-cinereo, vitta lata mediana alteraque tenui 

 laterali 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 apicali nigro-fuscis. Long. G 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 

 tapering, shoulders less oblique, densely clothed with confluent 

 ashy-tawny spots, leaving a rounded discoidal spot on each behind 

 the middle, and a quadrate one close to the apex, dark brown ; 

 apex sinuate-truncate, sutural angle slightly prominent, external 

 dentiform. Body beneath ashy, varied with tawny patches ; abdo- 

 men spotted with dusky. Legs tawny-ashy, spotted with black. 



^ . Anterior tarsi dilated and fringed. Terminal abdominal 

 segment not reaching the tip of the elytra, narrowed towards 

 the apex ; dorsal plate obtuse, ventral truncate-emarginate. 



$ . Terminal abdominal segment tubular, prolonged con- 

 siderably beyond the apex of the elytra; dorsal plate lanceolate, 

 ventral truncated, angles not produced. 



Ega. 



24. Colohothea grallatriXj n. sp. 



C. elongata, postice valde regulariter attenuata, nigra ; thorace vittis 

 sex cinereo-fulvis, lineolaque mediana cinerea ; elytris cinereo ful- 

 voque dense confluenter irroratis, maculis tribus utrinque discoi- 

 dalibus plagaque magna apicali nigris ; maris pedibus longissimis 

 validis. Long. <5 6|, $ 4| lin. 



Head blackish, streaked with tawny, vertex with two tawny- 

 ashy slightly divergent lines. Antennae robust, black, bases of 

 alternate joints ringed with whitish. Thorax black, and having 

 on each side three tawny-ashy vittse, and a thin grey line down 

 the middle of the black central streak. Elytra with shoulders 

 moderately prominent laterally and vertically, thence regularly 

 tapering to the apex, which is truncated, with the sutural angle 

 moderately produced, and the apical angle spiniform ; the sur- 

 face is thickly covered with confluent spots, partly grey and 



