IKSECTS IN THEIE YISITS TO FLOWEES. l79 



to that of the betony, elliptical, smooth, with longitudinal 

 furrows. 



45. Low Wood, Windermere, Aug. 12th, 1881. Apis melli- 

 fica : Serratida tinctoria only, 24, constantly rejecting Gentcmrea 

 nigra. This Bee was also captured and the pollen adhering to 

 its legs examined. It proved to consist entirely, or nearly so, of 

 the pollen of the Serratula, which is very characteristic, white, 

 shortly oval, with blunt spines ; while that of the Gentcmrea nigra 

 has a smooth extine. 



46. . Eristalis tenax : Gentaurea nigra, 1 ; Spiraea TIl- 



maria, 2 ; Gentaurea nigra, 2. 



47. . : Gentaurea nigra, 1 ; Serratula tinctoria, 2 ; 



Stachys Betonica, 1 ; Serratula tinctoria, 1. 



48. . Pieris Eapae, S : Achillea Ptarmica, 1 ; Serratula 



tinctoria, 1 ; Spircea Ulmaria, 1. 



49. . : Serratula tinctoria, 1 ; Gentaurea nigra, 4 ; 



constantly settling meanwhile on leaves. 



50. . : StacJigs palustris only, 2S. 



51. The Peeet, Windeemeee, Aug. 15th, 1881. Spircea 

 Ulmaria, Gentaurea nigra, Lythrum Salicaria, Prunella vulgaris, 

 Tlialictrumjiavum, Valeriana officinalis, Lychnisflos-cuculi, Stachys 

 palustris, Scahiosa succisa. Bombus sp. : Scahiosa succisa, 1 ; 

 I/y thrum Salicaria, 5 ; Prunella vulgaris, 1 ; Lythrum Sali- 

 caria, 1. 



52. . Bombus sp. : Gentaurea nigra, 1 ; Scahiosa succisa, 5 ; 



Valeriana officinalis, 1 ; Gentaurea nigra, 2. 



53. . : Stachys palustris, 3, at great distances from 



one another. 



54. . : Lythriim Salicaria, 4:, at great distances 



from one another. 



55. . Syrphus clypeata: Spircea Ulmaria, 6; Valeriana 



officinalis, 1 ; when removed from the meadowsweet, always re- 

 turning to it. 



56. "The Knoll," Ambleside. Bubus fruticosus, Stachys 

 Betonica, Achillcea Millefolium, Gampanula rotundifolia, Teiicrium 

 Scorodonia, Hypericimi himiifusum, Bumex Acetosella, Gentaurea 

 nigra. Apis mellifica abundantly visiting the bramble, and 

 when disturbed always returning to it, obviously declining 

 Achillcea Millefoliutn and Stachys Betonica. 



57. . Eristalis tenax was visiting Achillcea Millefolium 



only. This was captured, and the contents of its abdomen exa- 



