of some new Species of Geometrida. 117 



noured by the friendship of their author will know how to appre- 

 ciate the candour, the kindness, and the unaffected simplicity so 

 conspicuous in his writings. 



Sect. 2. 

 Sp. 4. Er. Necera. 

 Er. Alis omnibus supra nigris, basi cervino-tinctis, anticis vitta 

 basali alba, fascia pone medium transversa, abbreviata dia- 

 phana, lineis duabus submarginalibus ochraceis; posticis vitta 

 media, maculisque marginalibus albis. 

 Exp. alar. 1 unc. 6 lin. vel 38 roillim. 

 Hab. Bolivia. (Tab. XII. fig. 6.) 



Head black, orbits of the eyes white, antennae black. Thorax 

 fawn-coloured. Anterior wings above fuscous black, the base 

 fawn-coloured, with a white dash below the median nervure, the 

 disc with an abbreviated and transparent fascia ; beyond which, near 

 the costa, is a comma-shaped ochreous dot, from which proceed 

 two slender lines of the same colour, reaching about to the first 

 median nervule. Posterior wings above with a rather broad 

 white vitta, occupying the disc, and four white spots on the outer 

 margin. The under surface of both the anterior and posterior 

 wings is cinnabar-coloured, the base streaked with white, the 

 two ochreous lines of the anterior wings replaced by a band of 

 that colour, divided by an ash-coloured line. The posterior wings 

 have several discoidal, lunate white spots, and towards t'le margin 

 a flexuous, ochre-coloured band, divided by a grey li'-ic. Legs 

 ash-coloured. Abdomen fawn-coloured, ringed with white. 



Sect. 3. 

 Sp. 5. Er. Cynthia. 

 Er. Alis omnibus supra fuscis, anticis macula disci diaphana ; 



posticis disco maculisque marginalibus albis. 

 Exp. alar. 1 unc. 1 lin. vel 26 millim. 

 Hab. Bolivia. (Tab. XII. fig. 7, 7a.) 



Head black, orbits of the eyes white, antennae black. Thorax 

 black. Anterior wings above fuscous black, with a large diapha- 

 nous spot beyond the cell, divided by the discoidal and third 

 median nervules. Posterior wings fuscous black, the whole disc 

 occupied by a large white patch ; the cilia black, spotted with 

 white. The lower surface of the anterior wings is varied with 

 cinnabar and ochre-colour, the former colour predominating on 



