ENIGMAS STILL UNANSWERED. 115 



26. " A Nepticula larva, mining the leaves of bircli; the 

 mine has some resemblance to that of N. luteeUa, but the 

 central track of excrement is broader, not so mathematically 

 linear/' 



27. *^ A Gelechia ? larva, feeding in the heads of yarrow 

 ( A chillea 7nillefoliu m).^^ 



33. " A brown Gdechia-Wke larva, found amongst moss 

 hy Mr. Douglas, in March, 1857." 



38. " A Litlwcolletis larva, mining the upper side of 

 beech leaves." 



46. *' A pretty red-spotted yelloAv larva, mining a leaf of 

 Car ex ripcuia, found at Hackney, March 29th, 1858." 



47. " A Gelechia ? larva, mining down the stems (near 

 the root) of Carex ipaladom, collected at V/icken Fen, near 

 Cambridge, April 30th, 1858." 



48. " A larva mining in the stems of the shoots of Hham- 

 nus Frangula, near Guildford, causing the leaves to droop ; 

 collected May 21st, 1858." 



49. " A grotesquely minute, pistol-form Coleopltora case, 

 collected by Mr. Gregson, on Salix fusca, at the end of 

 May." 



50. " A Tortinx ? larva, mining down the stems of Cen- 

 taurea nigra^ and ejecting its ^ frass' from a hole in the side 

 of the stem ; collected by Mr. Boyd, at Probus in Cornwall, 

 June 19th, 1858." (See Int. iv. p. 151). 



57. " A Gelechia ? larva, feeding inside the flowers of 

 Camjmnula persicifolia, collected at Erlangen, at the end of 

 June." 



71. "A brown Gelechia ? larva found by Mr. Scott at 

 the beginning of August, 1859, feeding in the heads of 

 Statice armeria." 



72. '^ A greyish- white CEcophora ? larva, found by Mr. 



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