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OBSERVATIONS ON BRITISH AND CONTI- 

 NENTAL TINEINA. 



(Extracted from Letters of our Correspondents, and 

 from other Sources. — The Specie?! not yet known to occur 

 in Britain are indicated by an *.) 



Dasystoma Salicella. " In October I found a few strange 

 looking sluggish lai-va feeding upon Potentilla Anserina. 

 (Silver- weed). I fear they have all died except three, which 

 changed to pupae and have emerged a few weeks since. 

 They consist of one male and two very narrow-winged 

 females of ^ome species of DasystomaJ" (H. B., 2, 461.) 



" In the larger box you will find one male and two females 

 of my supposed Da^^yMoyna^ bred from Potentilla Anserina ; 

 they are all I was able to rear." (H. B., 17, 461). 



[The specimens were Dasystoma Salicella.] 



" I can now send you a few larvae of Dasystoma Salicella^ 

 which I can only find upon Potentilla Anserina, growing by 

 the side of a dusty road, and far from anything like a Salix. 

 They are rather troublesome larvae to feed, as they eat very 

 little at a time and roll themselves up generally in a leaf, 

 which they have not half consumed, before you are obliged 

 to disturb them in their retreat and change their food. They 

 grow so slowly, that I can see scarcely any difference in them 

 from one fortnight to another. This larva seems perfectly 

 wedded to Potentilla Anserina^ nor can I get them to touch 

 anything else. They are scarce this year, and though I have 



