gg BRITISH MOTHS 



slin-lit ilontato stripe, whicli is very indistinct in the females. There arc two slightly-curved dusky, slender 

 fascia- (one before and the other beyond the middle of the wing), the space between which is much darker in the 

 males and bears an oval discoidal paler spot ; parallel with the outer margin runs a waved slender stripe 

 (verv indistinct in the fi'Uiales), and the fringe is spotted with dusky. 



The caterpillars, which from frequenting hop-plantations, are well known under the name of Ilop-dogs, are 

 yellow, with the head clay-coloured, several large whitish tufts of hairs on the back (the articulations between 

 which are black), and a larger reddish one on the tail. It feeds on various plants in the autumn, and the moth 

 appears in Alay and June. 



DEMAS, Stephens. COLOCASIA, Ociisenheimek. 



This genus has distinct but very short palpi, as well as a spiral tongue ; the antennas rather long, and only 

 moderately bipectinated in the males ; the wings are densely squamose ; the thora.x is distinctly crested, the 

 abdomen tufted, and the larvtc have several dorsal tussocks of hairs. 



SPECIES I.— DEMAS CORYLI. Plate XVII., Fig. 20, 21. 



SvNONVMKs. — Phal. (Bomb.) Cort/li, Linnaeus; H;uTorth ; Donovan, 9, pi. 309 ; Albin, pi. 90, fig. c^li ; Wilkes, pi. 66 ; Stephens 



(Domas C.) ; Wood, Ind. Eut. pi. C, fig. 58. 



This species measures from 13 to If? inches in expanse of the fore wings, wliich .are of a rusty brown colour ; 

 the base ashy grey, followed by a broad bar occupying the middle of the wing, but paler tow.ards the costa, 

 bounded on each side by a dark waved streak, and enclosing a discoidal black ring and various irregular dark 

 lines; the hind portion of the wings is pale, with an undulated brownish stripe running parallel with the outer 

 margin of the wings. The hind wings are paler, generally with a dusky snbapical fascia. The various markings, 

 however, vary considerably in different individuals. 



The caterpillar is red, with two red tufts of h.airs on the back, and elongated fascicles of hairs on the neck. 

 It feeds on the birch and hazel. It appears in IM.ay and September, and the moth in April and July. It 

 occurs, but rarely, in woods round London, as well as in other parts of the kingdom. 



DESCRIPTION OF PLATE XVIII. 



Insfcts. — Fig. 1. Leucoma vau-nigra (the black V Satin moth). 



" Fig. 2. Stilpnolia Ralicis (thesatin mntli). 3. The Caterpillar. 4. The Clirvsalis. 



" Fig. 5. Ltclia Ccenosa (tlie Wliittlesea tussock). 6. Tlie Caterpillar. 



" Fig. 7. Porthesia ChrysorrhcBa, male (the CJold-tailed moth). 8. Tlic Caterpillar, 



" Fig. 9. Porthesia auriflua, male (the Brown-tailed moth). 10. The Female. 11. The Caterpillar. 



*' Fig. 12. Spilosoma Mcnthastri (the large ermine). 13. The Caterpillar. 



*' Fig. 14. A variety of S. Mcnthastri, by some made a species, S. Walkerii. 



** Fig. 15. Spilosoma Pajiyratia (the water ermine). 



" Fig. 16. Spilosoma Urtica; (the dingy white ermine). 



*' Fig. 17. Sjiilosoma Lubricepeda (the spotted buff ermine). 18. The Caterpillai-. 



'* Fig. 19. A variety of S. Lubricepeda, by some made a species, S, radiata. 



" Fig. 20. Cycnia mcudica, male (the spotted muslin). 21. Tlie Female. 22. The Caterpillar. 



Pi-sNTs Fig. 23, 23. Salix Doniana (Don's Willow). 



*' Fig. 24. Sparganium raraosum (tiie Buri-rced). 



" Fig. 25. Prunus spinosa (the .Sloe). 



" Fig. 26. Mentha rubra (the red Mint). 



