384 GKORGE D. HIILST. 



PALYADIN.^.. 



This snhfainily is ti'opieiil, the two species of our fauna occurring 

 only in the southern part of Fh)rida. They are characteristically 

 and peculiarly jnarked by the absence of the frenulum, which feature 

 may warrant family distinction. The Geon)etrid character of the 

 family is shown by the strongly marked angle at base of vein (S in 

 the hind wings. 



Syn()])sis of Genera. 



Abdomen of % untufted 1. I'alyas. 



Abdomen of % with lateral tufts on fifth segment 2. l*lii'ygioiii!!t. 



1. I'ALYAS (4uen. 

 Verz. ;J07, 1818. 



Type aura Cram. 



Palpi moderate, bushy, ascending, close to front ; tongue devel- 



()j)ed ; front narrow, tufted ; anteniueof % bipectinate, apex simple, 



thorax smooth, somewhat tufted i)osteriorly ; abdomen smooth ; legs 



slender, hind tibiae not swollen, without hair })encil, with two pairs 



of spurs in both sexes; wings even, rounded, with metallic bands 



and spots; fore wings 12 veins, 10 on 9, 11 from cell; hind wings 



all veins separate, 8 close to cell one-half its length, then separating 



at a sharp angle. 



Species. — P. awiferaria Hulst. 



2. PHRYGIOIVIS Utib. 



Verz. 307, 1818. 



Type argentnta Dru. 



Byssodes Ciuen., Phal. i, ;{9y, 1857, tyjie (irgottaid Dm. 

 Palpi moderate, bushy, a.scending, close to front, rather stout ; 

 tongue developed ; front narrow, short, tufted ; antenna? shortly bi- 

 pectinate in % , filiform, slightly flattened, nakt'd in 9 ; thorax 

 smooth ; abdomen smooth, with subdorsal hair tuftings at extremity 

 of fifth segment in % ; legs long, slender, hind tibise not swollen, 

 without hair pencil, with two pairs of spurs in both sexes ; fore wings 

 without fovea at base in S , 12 veins, 6 separate, 10 on 9, 1 1 on cell ; 

 hind wings all veino separate ; 8 close to cell one-half its length, 

 then separating at a broad angle ; all wings with metallic bands and 

 spots ; hind wings angled at 4. 



Species. — P. argenteodriata Streck. 



MECOCERATIN^. 



The Mecoceratiiue have scarcely any representatives in our fauna, 

 and this subfamily, while tro})ical, has few representatives in any 

 part of the world. They are easily recognised by the extreme length 

 and slenderness of the antennce and legs, which in them becomes a 



