147 
for this genus, broad at the base, gradually attenuated to near 
the apex, thence suddenly attenuated, making the truncated apex 
narrow ; sutural spine short, external one elongated ; shoulders 
advanced and rounded, lateral carina strongly pronounced and 
polished, deflexed sides coarsely punctured and with a smooth 
Carina ; surface longitudinally convex, setose, and punctured ; 
two short, rugose, slightly elevated carinse near the base, and 
one longer and smoother along the disk; the colour is brown 
varied with ashy, near the scutellum is a dull blackish patch, and 
behind the middle is an oblique black streak ; the anterior part 
of the disk is ashy, and there is a triangular ashy spot near the 
apex. Body beneath black, with grey pile ; a row of ashy spots 
on each side the abdomen. Legs shining pitchy red, spotted 
with grey. 
$ Terminal ventral segment broadly and triangularly excised, 
angles prolonged into acute spines. Dorsal segment broadly 
truncated. 
On a bough of a dead tree, forest, Ega. There is a closely 
allied and similarly coloured species found at Cayenne*. 
2. Colohothea velutinaj n. sp. 
C. elongata, parallela, convexa, antice et postice declivis, thorace velu- 
tino-nigro vitta lateral! fulva ; elytris griseis fulvo nigroque macu- 
latis, regione scutellari, maculis lateralibus duabus undulatis 
plagaque quadrata apical! purpureo-nigris carneo-fulvo cinctis. 
Long. 6-7 lin. S $ . 
Head brown, a fine central line on the vertex and a broad 
stripe down each cheek tawny ashy. Antennse one-third longer 
than the body, black (dark red towards the base), the fourth 
joint with a grey, the sixth with a white ring. Thorax with a 
distinct tubercle standing out from each side at a short distance 
from the base, scarcely narrowed behind the tubercle, hind angles 
slightly prominent ; surface velvety purplish black, with a tawny- 
* Colobothea ligneola. Parum elongata, angustata, brunnea, cinereo 
nigroque varia, corticis fragmento simillima. Caput piceo-fuscum. 
Antennse piceae, articulis basi cinereis. Thorax cinereo-fuscus, vittis 
duabus nigris, lateribus nigris politis ; convexus, prope basin sinuato- 
attenuatus, tuberculis lateralibus obtusis. Elytra brevia angustata, 
apices versus citius attenuata, apicibus sinuato-truncatis angulis sutu- 
ralibus distinctis exterioribus productis ; supra grosse punctata, prope 
basin et disco breviter costata, brunneo cinereoque varia, vitta brevi 
suturali raaculaque discoidali (lineola cinerea divisa) saturatioribus. 
Corpus subtus nigrum politum, cinereo varium, abdomine lateraliter 
cinereo maculato : pedibus piceo-rufis, griseo raaculatis. Foeminse seg- 
mento ultimo ventrali attenuato, apice sinuato-truncato bispinoso ; 
dorsali apice rotundato, medio unidentato. Long. 3| lin. $ . Hub. 
in Cayenna, a Dom. Bar lecto. 
