ON THE LEPIDOPTERA OF THE OUTER HEBRIDES. 



219 



on the rocks during the daytime, very much affected by the grey 

 colour of the gneiss. Those that most closely assimilated in 

 colour to that of the rock would be less easily perceived by birds, 

 and in the struggle for existence would have the better chance of 

 preservation. 



The unmarked species in the following list of fifty-eight 

 captured are of the usual coloration as that which generally 

 prevails in Scotland, and therefore do not call for any further 

 remarks. Those noted with an asterisk present features of 

 peculiar interest, and will be dealt with seriatim. 



Chortobius Davus. 



Lycfena Alexis. 



Hepialus velleda. 

 *H. humuli. 



Chelouia plantaginis. 



Odoutopera bidentata. 

 *Boarmia repandata var. 



Sodoreusium. 

 *Dasydia obfnscata. 



Scodiona belgiaria. 



Fidonia atomaria. 

 *Larentia didymata. 

 "L. cffisiata. 



*Emmelesia albulata and var. 

 Hebudium. 



Eupithecia satyrata. 



E. lariciata. 



E. nanata. 



E. vulgata. 



E. pumilata. 



E.n.s. ? in the hands of the 

 Rev. H. Harpur Crewe. 



Thera variata. 

 *Ypsipeteg impluviata. 

 '''iVIelanippe hastata. 

 "M. montanata. 



Coremia ferrugata. 

 *Camptogramma bilineata. 

 '■'Cidaria russata. 



C. suffumata. 



Cymatophora or. 



*Xylophasia rurea and var. 



combusta. 

 *X. polyodon. 



Apamea basilinea. 



A. gemina. 



Rusina tenebrosa. 



Agrostis suflusa. 



A. porphyrea. 



Triphtena orbona. 



T. pronuba. 



Noctua C -nigrum. 



N. brunnea. 



N. festiva and var. conflua. 



N. baja. 



Aplecta occulta. 



Hadena adusta. 



H. deutina. 



H. thalassina. 



Scoparia murana. 



S. angustea. 



Crambus pratellus. 



C. margaritellus. 



C. culmellus. 



Tortrix icteraua. 



Pardia tripuuctana. 



Sericoris urticaua. 



Sciapliila penziana. 



Phoxopteris unguicana. 



Grapliolitha campoliaua. 



Coccyx liyrciniana. 



Catoptria ulicetaua. 



