-4 PRIOXID^E. 



11. AxACOLUS XIGRIXUS, n. S. B.M. 



A. nigerrimus, abdomine subtus, peclibusque quatuor anticis ob- 

 scure subferrugineis, elytris confertim punctatis ; thorace et 

 capite pilis griseis hirtis. 



Head deep black, between the antennae channelled, palpi some- 

 what ferruginous. Thorax and head more or less thickly covered 

 with greyish brown hairs. Two front pairs of legs of a dark 

 blackish brown ; hind legs black, with a bluish tint. 



Hab. Venezuela. 



12. Axacolus melaxocerus, n. s. B.M. 



A. fkvo-aurantiacus, antermis nigris ; capite postice et linea media 

 impressa nigris ; thorace macula media nigra ; elytris nigris, 

 humeris et mai'ginibus aurantiacis ; pedibus flavis* femoribus 

 posticis intus apice nigris. 



Orange-yellow ; antennas black ; hind part of head black, and 

 an impressed line down the middle black. Thorax in the middle 

 with a black patch. Elytra black, shoulders and margins orange- 

 yellow. Legs yellow ; femora of hind legs black at the tip within, 

 tarsi at the end blackish brown. 



Hab. Venezuela. 



13. x4.NACOLUS XAXTHOCERUS, n. S. B.M. 



A. flavus, antennis flavis basi nigris ; capite postice nigro ; tho- 

 racis dorso macula magna nigra; elytris nigris flaYO-aurantiaco 

 marginatis ; pedibus quatuor anticis omnino flavis ; pedibus 

 posticis flavis, femoribus apice nigris; tibiis intus nigris, postice 

 navo marginatis, extus apice nigris. 



Yellow ; antennas 3-ellow ; basal joint and the stem of the three 

 following joints black ; hind part of head black, and two spots 

 on the face in front of the antennas. Thorax above with a large 

 black spot in the middle. Elytra black, margined with orange- 

 yellow; sides of metathorax with an oblique black line. Two 

 fore pans of legs entirely yellow ; the hind legs yellow, the tip 

 of the femora black, the inside of the tibiae blackish, margined 

 behind with yellow, on the outside blackish at the tip. 



Hab. Venezuela. 



It is not impossible that these four Venezuela Insects may all 

 prove varieties of one species, to which the name Anacolus varia- 

 bilis mav be given; the antennae in all are beautifully rlabellated. 

 They differ from the other Anacoli in having the sternum flat 

 and dilated, somewhat as in Myzqmorphus. A large series of 



