65 



The perfect insect appears in June and July. 



The caterpillar is bluish grey, with a row of white dots 

 on each side of the back; below whitish. 



The date of the appearance of the caterpillar is in August 

 and September. 



It feeds on the birch. 



CYMATOPHORA FLUCTUOSA. 

 SATIN CARPET. 



Plate XL. Figure 4. 



Localities for this species are Huddersfield, Sheffield, 

 Rotherham, Brighton, Darenth Wood, West Wickham, 

 Pembury, Poyning's, Worcester, Killarney, Tenterden, 

 Stowmarket, Exeter. 



The situations where it is found are the outskirts of 

 woods. 



The perfect insect appears in June. 



The caterpillar is yellowish white, the head blackish 

 brown. 



The date of the appearance of the caterpillar is in 

 September and October. 



It feeds on the birch. 



CYMATOPHORA DILUTA. 

 LESSER LUTESTRING. 



Plate XL. Figure 5. 



Localities for this species are York, Doncaster, Sutton- 

 on-Derwent, Brighton, Birch Wood, Arundel, Lyndhurst, 

 Manchester, Bristol, Worcester, Stowmarket, Worthing, 

 Burton-on-Trent, Tenterden, Huddersfield, Wavendon. 



VOL. II. K 



