40 



Sand Martin (Cottle riparia, Linn.). 

 200-203. 3 Males; 1 Female; Ince, Chester ; 29th May, 



1894. — All 4 examples contained a large quantity of fragments 

 of small flies (Diptera) ; but it was impossible to assign them 

 to any particular group. 



House Martin (Chelidon urbica, Linn.). 



204. Pellets from nest; Ince, Chester; August, 1902. — 

 Fragments of Diptera ; many wing cases of Coccinellid 

 beetles. 



205. ? Sex ; Ince, Chester; $th October, 1901. — Filled 

 with beetles (Tachyporus spp., Aphodius fvmetarius, &c). 



Summary. — 1 contained insects of the beneficial group ; 2, 

 indifferent group. 



Field Notes. — 206. Moths. — Large Noctuid moths which are 

 put to flight by labourers when haymaking are frequently 

 caught by Swallows and House Martins. The species which 

 usually fall a prey to these birds in this way are : The Yellow 

 Under wings (Triphaena pronuba and T. orbona), the Heart and 

 Dart (Agrotis exclamationis) , and occasionally other species. 



Greenfinch (Ligurinus chloris, Linn.). 

 207, 208. 2 Males ; near Chester.; 24th February, 1894. — 

 1 contained maize and a few small pieces of cinders ; the other 

 was filled with wheat. 



209. Male ; Aid ford, Chester ; 24th February, 1894. — Wheat 

 and fragments of cinders. 



210, 211. 2 Males ; Aldford, Chester ; 20th and 28th March, 



1895. — Seeds of cultivated mustard ; many fragments of 

 maize. 



212. Male ; Aldford, Chester ; 22nd March, 1894. — Frag- 

 ments of maize ; quartz pebbles. 



213. Female; Christleton, Chester ; 6th April, 1905. — Wheat, 

 in fragments ; particles of cinders. 



214. 215. 2 Examples ; Prestatyn, Flint ; 30th October, 

 1904. — Both contained seeds of the charlock (Brassica Sinapis). 



216. ? Sex ; near Chester ; 19th October, 1904. — Fragments 

 of the seeds of the cultivated sunflower. 



217. ? Sex ; near Chester ; December, 1904. — Seeds of the 

 wild rose [Rosa canina). 



