New Species of Exotic Trichoyiera. 311 



and /?. aurata, Brauer. In the first the points of the fork are 

 parallel and very distant, in the latter very unequal and divergent. 

 In the form of the prolongation from the last abdominal segment, 

 and in its general characters, it differs very much from any re- 

 corded species, and forms a transition between the group of R. 

 aurata and two at present undescribed species noticed in Stett. 

 Entomol. Zeitung, 1859, p. ISK 



XXIII. Description of a New Genus and Species o/'Noc- 

 tuites. By Francis Walker, Esq., F L.S. 



* 



[Read 3rd March, 1862.] 



The Lepidopterous insect here described appears to be unique; it 

 was discovered upon a fence at Halifax, in Nova Scotia, by B. 

 Piffard, Esq., and was presented by him to the British Museum. 



Fam. GLOTTULID^, Guen. 

 Genus Phornacisa, n. g. 

 Fcem. — Corpus pilosum, crassum. Proboscis robusta. Palpi 

 spissi, piJosi, oblique ascendentes, frontem non superantes ; 

 articulus 3us conicus, minimus. Antennae glabrae, sat ro- 

 bustse. Abdomen longiconicum, alas posticas sat superans. 

 Pedes robusti, pilosi; tarsi spinosi. Alae sat angustae; anticaB 

 apice rotundatae, costa recta, margine exteriore sub-convexo 

 sub-obliquo. 



Female. — Body pilose, very stout. Proboscis robust, moderately 

 long. Palpi thick, pilose, obliquely ascending, not rising so high 

 as the front; 3rd joint conical, very short. Antennae smooth, 

 rather stout. Abdomen thick, elongate-conical, extending some 

 distance beyond the hind-wings. Legs robust, pilose ; hind-tibise 

 with four moderately-long spurs ; tarsi spinose. Wings rather 

 narrow. Fore- wings rounded at the tips; costa straight; exterior 

 border slightly convex and oblique ; interior angle much rounded; 

 underside with a thin fringe of long hairs in the discal areolet ; 

 2nd inferior vein as far from the 1st as from the 3rd; 3rd about 

 thrice further from the 4th than from the 2nd. 



