of the Amazons Valley. 321 



This species seems to resemble mucli in colours and shape 

 Priscilla hypsiomo'ideSy Thoms. (Systema Ceramb. p. 31) j but 

 the character he gives, " brunneo-setosa/^ does not at all suit, as 

 our insect is one of the few Colobothea-iovms which are destitute 

 of setse on the surface of the body» 



§ II. Fore tarsi dilated and ciliated in the male. 



a. Thorax tumid on each side behind the middle, or furnished with a 

 tubercle : narrowed at the base. 



7. Colobothea pictiliSf n.sp, 



C. elongata, postice modice augustata, grisea ; thorace pone medium 

 acute tuberculato, vitta latiore dorsali altera laterali lineolisque 

 duabus utrinque intermediis nigris ; elytris apice utrinque biden- 

 tatis, fulvo maculatis, fasciis duabus interruptis nigris. Long. 

 3|-4i lin. d 2 . 



Head dusky grey, vertex with two ashy lines, diverging on 

 the occiput. Antennse black, bases of the joints grey. Thorax 

 widest a little behind the middle, where a conical projection is 

 formed on each side, behind constricted : surface grey, with a 

 central vitta (unequal in width) and a lateral stripe, below the 

 tubercles, black; there are also on each side of the upper surface 

 two fine black lines, sometimes partially united. Scutellum 

 black, with a central ashy spot. Elytra moderately elongated 

 and attenuated, apex sinuate-truncate, sutural angles produced 

 into a short tooth, external ones into an elongate spine ; surface 

 grey, sprinkled with tawny patchy spots; each elytron has 

 besides two short angulated lateral fascise of a black colour, and 

 more or less distinct indications of a third near the apex. Body 

 beneath clothed with ashy tomentum ; abdomen of the female 

 spotted with black. Legs black, ringed with grey : fore tarsi 

 moderately dilated and fringed in both sexes. 



6 . Apical ventral segment greatly distorted, its surface forming 

 an angular elevation with an elevated ridge on each side : the 

 concavity thus formed shining black; the dorsal segment is 

 notched in the middle. The middle segments of the abdomen 

 are greatly contracted in the middle. 



$ . Apical ventral segment with its terminal angles produced 

 into long spines ; dorsal segment broadly notched. 



Para, on branches of dead trees ; rare, 



8. Coloboihea pulchellaj n.s^, 



C. parva, postice sensim attenuata, carneo-grisea ; thorace pone[me- 

 dium prominulo angulato, deinde constricto, vitta dorsali (medio 

 constricta) altera laterali lineolisque duabus utrinque intermediis 

 nigris ; elytris utrinque apice bidentatis, carneo maculatis, humeris. 



