CEHOSTOMA. 09 



A northern species, in few collections : my specimens were 

 taken on the coast near Belfast in September. 



4. Dalella, Sta. Cat. p. 11 i\SV,)).—vl(Mla, Hub. Tin. IGt. Alls 

 anticis gri-scis, griseo-fusco mavmoratis, posticc albido-sqiianialis, triaa- 

 gulis tribus dorsi dihitioribus, spatiis iiiterjcctis saturate grisco-fiiseis, 

 niaculis diiabus costic pone mediuiu i'ascis, apicc luargiiiis postici nigi'o- 

 jjinictato. Exp. al. 10 lin. 



Head, face, and palpi dark greyish-fuscous. Antcnnic dark fuscous. 

 Anterior wings grey, luarbleil with greyish-fuscous, posteriorly with 

 sonic whitish scales; on the inner margin arc three pale triangles, Ihc 

 first near the base very small, the second in the middle rcacliing to the 

 fold, and sometimes produced posteriorly beyond it, and the third be- 

 yond the middle reaching beyond the fold ; the spaces between tliesc 

 triangidar marks are dark greyish-fuscous ; on the costa beyond the 

 middle are two fuscous spots ; towards the apex of the hinder nun-gin 

 are two or three black sjjots ; cilia greyish-fuscous, with two darker 

 lines. Posterior wings grey, with jjalcr cilia. 



Not nncommon in the north of England and Scotlaiul, in Scp- 

 Iciuber. j\rany specimens have been taken near liiiddirsfiehl by 

 the Rev. J. Johnson. 



Genus HI. CEROSTOMA. W-HT- ^i 



Cj-.kostoma, Lat. 11. N. xiv. 217 (1802). Ilarp/jj/eri/x p.. Curt. 

 Plntella ])., Zell. Ili/psulopha, lUi'mosia ]i., et .//arj)ip/<'/-i/.v\)., Treit. ; 

 T)up. JJarpipleri/x, lIi/ps(Aopha, ct CluetockUns, Step. 



Caput hirsutum. Ant{>nna) simpliccs, vix crcnulatic. Ilaustellum me- 

 diocre, nudum. Palpi maxillares distiucti, filiformcs. Palpi labialcs, 

 articulo secundo infra in fasciculum producto, tertio erecto aculei- 

 formi. Ahie antcriores elongatic vel oblongiu, intcrdum caiuhdic ; 

 ala' postcriorcs ante angulum analem levitcr retuscc, lanceolata\ me- 

 iViocriter cUlatcp. ; al:c antcriores: vena apicalis furcata supra ct infra 

 apiccm cxcurrit, infra cam rami (piinciuc; ccllula seeuiulariaywytr/a; 

 alie posteriores : ccllula costalis elongata, posticc atleuuata ; vena 

 a))icalis/«rcr//«. Pollieulus larvae mlidm. 



Head rough. Antenna) not thickened, slightly indented between 

 the joints. The tongue of moderate length, naked. Maxillary p;dpi 

 distinct, filiform. Labial palpi with the second joint i)r()l()nged be- 

 neath in a tuft; terminal joint erect, acuminate. Anterior wings elon- 

 gate or oblong, sometimes caiulatc ; posterior wings slightly emargi- 

 nate before the anal angle, lanceolate, with modcratdij lout/ cilia. In 

 the anterior wings the furcate apical vein runs out above and below the 

 apex; below it are five veins from the discoidal eell ; tlie secondary cell 

 is complete. In the posterior wings the elongate costal cell is postc- 



