122 



point in the middle of the wing, below which is a rounded point ; the line 

 is shaded externally with tawny-yellow, beyond which is a row of dark 

 lunules edged externally with white ; these lunules are most distinct behind 

 the large point in the middle of the wing; from the costa, halt-way between 

 the apex and the outer line, a white line, broken up by the wfhitish-yellow 

 venules, connects with the long, narrow, oblique, apical line; a yellowish, 

 narrow, marginal line, separated by a narrower, dark line from the tawny, 

 slightly-checkered fringe. Hind wings dull chocolate-brown, with a deeply- 

 sinuous, median, pale line, and a snbinarginal scalloped line; fringe as on 

 anterior wings; beneath, richly tinted on both wings with brown and tawny 

 scales; discal dots very distinct; a dark extradiscal line common to both 

 wings, well bent in the middle; half-way between this line and the edge of 

 the wing a row of white, triangular spots. Fringe' distinctly checkered. 



Length of body, <$ , 0.60 ; of fore wing^ <?, 0.70; expanse of wings, 

 c? 1.43 inches. 



Brooklyn, N. Y. (Graef) ; Philadelphia, Pa. (Grote and Robinson); 

 Easton, Pa. (Stultz). 



This description has been drawn up from the type-specimen kindly 

 loaned by Mr. Grote. It is very characteristic, ami need not be confounded 

 with any other of the species. 



Petropiiora testata Packard. Plate 8, Air. 51. 



" Phalasna-Geometra testata Limi., Fauna Sveciea, 331, 1761." 



Phalama testata Fabr., Eut. Syst., iii (ii), 202, 1793. 



■■ Geomi tra achatinata Hiibn., Scbm. Enr., tab. 58, figs. 301, 408 ab, 1796." 



Lygrift achalinulii lliibn., Vcrz., 335, 1H1 ~. 



Cidaria achatinata Treits., .Scbm. Eur., vi (ii), 170, 1828. 



Dap., Lep. France, viii (v), 311, pi. 192, fig. 6, 1830. 

 Electra te*tata Staph., 111., iii, 240, 1830. 

 Electra achatinata Steph., 111., iii, 241, 1831. 

 Cidaria achatinaria Boisd., Geu. et Iml., 213, 1840. 

 Larentia achatinaria H.-Seh., Scbm. Eur., iii. 172, figs. 301, 408, 1S47. 

 Electra achatinata Steph., Cat. Lep. Br. Mus., 190, 1850. 

 Cidaria testata Guerj., Pbal., ii, 473, 1857. 

 Lygris testata Staud., Cat., 78, 1861. 

 Cidaria testata Walk., List Lep. Het. Br. Mils., xxv, 1384, 1802. 



2 S and 2 9 .—Closely allied structurally and in color to P. diversihneala; 

 lemon-yellow; abdomen and hind wings whitish. Head slightly paler above 

 than the palpi. Fore wings lemon-yellow, with two parallel, reddish-ochreous 

 lines near tin' base, each making an obtuse angle in the discal space; beyond, 

 an ochreous line, curved outward around from a little within the middle of the 



