The Scottish Naturalist. 291 



west of them ; and, moreover, are much nearer the mainland ot 

 Scotland. 



All the islands are now destitute of trees, except when 

 attempts have been made at plantations, which, in the Lewis, 

 have been done with more or less success. 



The following is a list of the species recorded in Mr Jenner 

 Weir's lists, with the addition of some species previously re- 

 corded in this Magazine. To the localities of the latter an * is 

 affixed. When no locality is mentioned, the species has been 

 found in all three groups of islands. 



Pieris brassicae. Orkney, *Outer Hebrides. 



,, rapae. ^Orkney. 

 Chortobius davus. 

 Pyrameis cardui. ^Orkney, Shetland. 



,, atalanta. *Orkney, Shetland. 

 Lycaena icarus. Orkney, Outer Hebrides. 

 Acherontia atropos. Orkney, '"Shetland. 

 Sphinx convolvuli. ^Orkney. 

 Macroglossa stellatarum. *Orkney. 

 Hepialus humuli. 

 velleda. 



lupulinus. Orkney. 

 Saturnia pavonia. ^Orkney. 

 Bombyx quercus. ^Orkney, *Outer Hebrides. 

 Phragmatobia fuliginosa. *Orkney. 

 Arctia caja. ^Orkney. 

 Nemeophila plantaginis. 

 Cymatophora Or. Outer Hebrides. 

 Dasypolia templi. ^Shetland. 

 Hydraecia nictitans. Orkney. 



,, micacea. Orkney, Shetland. 



Xylophasia rurea. Orkney, Outer Hebrides. 



,, polyodon. 



Charaeas graminis. '"Orkney, Shetland. 

 Celoena Haworthii. Orkney, Shetland. 

 Miana fasciuncula. Shetland. 



,, furuncula. Orkney. 

 Apamea oculea. Orkney. 



{To be con tinned.) 



5J 



