THE BRITISH LEPIDOPTERA. 31 



PSEUDO-BOMBYCES, Gu., PSEUDO-BOMBY'fES. 



Moths which bear a very close resemblance to the 

 true Bombyces. 



DICRANURIDJE, Gu., Dicrdnu'rida, the family of which the 

 genus Dicranura is the type. 



DICRANURA, Lat., Dicrdnu'ra-, SUpavos, forked, 

 ovpd, tail. 



BICUSPIS, Bork., Eicus'pis^ bis, twice, cuspis, the 

 point of a spear ; alluding to the two tails of the 

 larva, 



FURCULA, L., Fur'cula, furca, a fork; from the 

 same peculiarity of the larva. 



BIFIDA, Hub., Bifida, bifidus, cleft in two ; from 

 the same peculiarity. 



VINULA, L., Vl'nula, vinum, wine : Linne describes 

 the larva as "e rima sub capite humorem 

 acrem exspuens." 



STAUROPUS, Ger., Stau'ropus ; a-ravpos, a cross, 

 77-01)9, the foot from the form of the fore-legs 

 of the larva. 



FAGI, L., Fd'gi, feeds on Beech (Fagus sylvatica). 

 PETASIA, Ste.jPetas'ia, 7reTacrw=7reTam;/-u_, to spread 

 out, to sprawl; alluding to the outstretched 

 attitude of the insect. 



CASSINIA, Schif., Cassl'nia, named after John Do- 

 minic Cassini, the astronomer; by birth an 

 Italian, but for forty years Astronomer Royal 

 at Paris; he died in 1712. When at rest, the 

 larvae elevate the anterior segments of their 

 bodies, and, as Duponchel expresses it, " elles 

 semblent regarder le del." Hence the genus 

 was named by Boisduval Aster os'copus, star- 

 gazing. 



NUBECULOSA, Esp., Nubeculo r sa, nubeculosus, covered 

 with little clouds. 



PYGJERID.E, Gu., Pyga'rida, the family of which the genus 

 Pygaera is the type. 



PYG^RA, Och., Pyga'ra; Trvyrj, the rump, aipew, to 

 raise : the larvae rest with their hinder segments 

 erect. 



BUCEPHALA, L., Buqeph'ala; /Sou?, fce^aX^, from its 

 large head. 



