GEOUETBIDJE. 425 



bifid at the top ; second and anal segment frequently with two conical points. Lives 

 uncovered on trees and low plants. Pupa enclosed in a web amongst leaves. 



Genus GEOMETRA. 



Geometni, Linn. S. N. 1, p. 519 (1758), id. Ed. xii. 11, p. 858 (17G7); Haworth, Lep. Brit. 11, p. 



271 (1809); Treits. Scli. Eur. v. 2, p. 430 (1825); Uiipoiichel, Lep. Fr. vii. 2, p. 106 (182i>); 



Boisd. Ind. Mctli. p. 179 (1840); Steph. Catal. Brit. Lep. B. M. p. 169 (1850); Lederer, 



Vers. Eur. Span. p. 24 (1853); Gueuee, Ph.al. i. p. 343 (1857); Walker, Catal. Lep. llet. 



B. M. xxii. p. 506. 

 Hipparchus, Leacli, Ediii. Euc. ix. p. 134 (1815); Samoueilc, Eiit. U. C. p. 253 (1819); Curtis, 



Brit. Eut. vii. fol. 300 (1830) ; Stephens, 111. B. Eut. Haiist. Ill, p. 178 (1831). 

 Holothahissis, Hiibner, Verz. bek. Sclimett. p. 285 (1818-25). 



Forewing moderately long, triangular; costa slightly arched towards end, 

 apex acute, exterior margin oblique, convex ; cell half the length ; first subcostal 

 near the end, second approximate, quadrifid, sixth from the end ; discocellular 

 deeply concave, radial from above the middle ; the middle median close to end of 

 cell, lower at fully two-fifths : hindwing broad, short, exterior margin convex, 

 slightly scalloped ; cell nearly half the length ; first subcostal close to end ; disco- 

 cellular bent above the middle, radial from the angle ; two upper medians from end 

 of cell, lower at fully two-fifths. Body moderately slender; palpi porrect, narrow, 

 second joint projecting beyond the front, very laxly clothed, third joint about one- 

 third the length of second, slender, squamous ; antenute in male bipectinated, the 

 branches stout, ciliated ; legs rather stout, squamous, hind tibise thickened, spurs 

 moderately long, slender. 



Ti/pe, G. papilionaria. 



GEOMETKA SPECULARIA (Plate 194, Fig. 1, $ la larva). 



Geometra fpecidaria, Guenee, Phal. i. p. 342 (1857); Walker, Catal. Lep. Ilet. B. M. xxii. p. 514 

 (1861). 



Bright green ; cilia paler : forewing with traces of a darker discal sinuous line ; 

 a small black lunular spot at end of the cell : hindwing with traces of a darker 

 discal sinuous line ; a small purplish-ochreous basal spot, and an irregular angulated- 

 bordered transverse discal fascia enclosing a small black spot at end of the cell, the 

 centre of the fascia being brighter coloured. Vertex and basal joint of antennae 

 white ; front of head and palpi above ferruginous ; legs white with dark-brown 

 terminal bands ; antennae green. 



Expanse 2 inches. 



Larva with 10 legs ; looped ; slender ; head bifid ; a conical prominence on 

 12th segment; colour green; head and front legs pale purplish-red and darker 



vol;. III. 3 I 



