THE BRITISH LEPIDOPTERA. 15 



METROCAMPA, Lat., Metrocam'pa ; fjuerpelv, to mea- 

 sure, /cdfjuTrrj, a caterpillar; alluding to the geo- 

 metrical mode of progression of the larva, pecu- 

 liar, not to this genus only, but to the tribe. 



MARGARITARIA, L., Margarita' ria, margarita, a 



pearl. 



ELLOPIA, Tr., Ellop'ia, the ancient name of the island 

 of Eubcea, now Negropont. 



FASCIARIA, L., Fascia'ria, fascia, a bar or band. 

 EURYMENE, Dup., Eurymene, the name of a town in 

 Thessaly. 



DOLABRARIA, L., Doldbrd'ria, dolabra, a mattock or 

 pickaxe; from the shape of the markings on 

 the wings. 



PERICALLIA, Ste., Perical'lia, 7re/M/eaXX??9, exceed- 

 ingly beautiful. 



SYRINGARIA, L., Syringd'ria, feeds on the Lilac 



(Syringa] and other plants. 



SELENIA, Hub., Selenia, creXrjviov, dimin. from cre\rivrj, 

 any small moon-shaped object ; alluding to the 

 crescent-shaped mark upon the wings of several 

 species. 



ILLUNARIA, Hub., Illunaria, illunis, moonless; the 

 lunule not occurring on the wings of this species. 



LUNARIA, F., Lund'ria, lunaris, crescent-shaped. 



ILLUSTRARIA, Hub., Illustrd'ria, illustris, remark- 

 able, beautiful. 



ODONTOPERA, Ste., Odontop'era ; o8ow, a tooth, 

 Trejoa?, an end, a boundary ; the margin of the 

 wings being toothed. 



BIDENTATA, L., Bidentd'ta, bidens, with two teeth ; 



from the form of the wings. 



CROCALLIS, Tr., Crocal'lis, crocallis, a precious stone 

 (Plin. 37. 10. 56), probably of a saffron colour 

 (Crocus). 



ELINGUARIA, L., Elinguaria, elinguis, tongueless; 



the spiral tongue being obsolete. 



ENNOMOS, Tr., Erinomos, eVj/o/^o?, lawful, just : 

 " rechtmassig" (Treitschke). 



ALNIARIA, L., Alnid'ria, feeds on the Alder (Alnus) 

 and many other trees. 



TILIARIA, Bork., Tilid'ria, feeds on the Lime (Tilia) 

 and other trees. 



FUSCANTARIA, H&.,_Fuscantd'ria, fuscus, dusky. 



EROSARIA, W. V., Erosaria,erosus, gnawed off, eaten 

 away. 



