184 Mr. H. W. Bates on Longicorn 



Ommata Beltiana, n. sp. — Lsete viridi-aurata, elytris 

 basi fascia aurantiaca ; linearis^ postice angustata, capite 

 grosse scabroso, thorace cylindrico, subelongato, trans- 

 versim grosse rugoso-punctato ; elytris crebre passim 

 punctatis, apice oblique truncatis; corpore subtus pedi- 

 busque viridi-aeneis, nitidis; antennis corpore brevioribus, 

 robustis, apicem versus incrassatis ; oculis distantibus ; 

 pedibus posticis valde elongatis, femoribus apice modice 

 clavatis. 



Long. 6^ lin. $ . 



This exquisite species is nearly allied to 0. aurata and 

 smaragdina, of the Amazons region. 



Ommata cyanipennis, n. sp. — Atro-cyanea, elytris cya- 

 neis, abdomine rufo ; capite et thorace grosse punctato- 

 scabrosis, hoc breviori, antice angustato^ disco antico 

 plagis tribus leevibus ; elytris utrinque lateraliter obtuse 

 carinatis, crebre ruguloso-punctatis, apice truncatis; oculis 

 infra magnis, elongatis ; pedibus posticis vix elongatis, 

 femoribus gradatim clavatis. 



Long. 44 lin. (^ . 



One example.* 



Agaone mo7iostigma, Bates, Trans. Ent. See. 1869, 

 p. 384. — Two examples. 



* Ommata atrata (Dej.) n. sp. — Linearis, nigra, opaca ; elytris, apice gri- 

 eescentibus ; capite crebre punctate, subnitido ; thorace velutino, brevi, 

 medio rotundato, antice angnstato ; elytris mox pone humeros angiistatis, 

 deinde usque ad apicem parallelis, apice late truncatis, supra lateraliter 

 obtuse carinatis, grosse crebre punctatis ; subtus et pedibus nitidis, femor- 

 ibus posticis elytris brevioribus, gi-adatim modice incrassatis. 



Long. 5 Un. (J . 



Brazil. Keceived from Paris iinder the name of Oregostoma atratum, 

 Dej. The globose-conical anterior coxae bring it within Lacordaire's de- 

 finition of the genus Ommata. The antennae are thick, scarcely enlarged 

 towards the apex, and about three-fourths the length of the body. 



Ommata asperiventris, n. sp. — Obscure cyanea, subtus creberrime rugoso- 

 punctulata ; capite grosse punctato ; thorace supra nigi-o, teneo-tincto, 

 crebre reticulato-puuctato, brevi, lateribus regulariter rotundatis ; elytris 

 vix nitidis, creberrime aspere punctatis ; femoribus posticis elytris multo 

 brevioribus, apice distincte clavatis. 



Long. 5 lin. <? . 



Rio Janeiro, Constancia (Eev. H. Clark). The antenna; arc nearly as 

 long as the body, and thickened towards the tip. 



