218 



The perfect insect appears at the end of May and 

 beginning of June, and in August. 



The caterpillar is pale yellow ; the head pale brown. 



The date of the appearance of the caterpillar is in 

 April, May, and July. 



It feeds on the upright perennial brome-grass, (Bromus 

 erectus.) 



The chrysalis is found on the upper side of the leaf near 

 to the stem. 



ELACHISTA ELEGANTELLA. 

 Plate CXXIII. Figure 16. 



Localities for this species are at Chat-Moss near 

 Manchester and Liverpool. 



The perfect insect appears in June. 



C. S. Gregson, Esq., has obliged me with the drawing 

 from which the plate is taken, from a specimen in the 

 collection of R. S. Edelston, Esq. 



ELACHISTA PERPLEXELLA. 

 Plate CXXIII. Figure 17. 



Localities for this species are Scarborough, Edinburgh, 

 Beckenham, West Wickham Wood, and near London. 

 The situations where it is found are woods, etc. 

 The perfect insect appears in May and July May 25. 

 The caterpillar is whitish yellow. 



