MASON AND LEFROY. 133 



Stomachs examined contd. 



Other remains unidentifiable. 



2 Pieces of grass. 

 29-3-07. 3 Chrysis sp. 



5 Rhyssemus germanus. 



3 Flies. 



18 Aphis sp. 

 13 Oat grains. 



9-4-08. 1 Chrotogonus (small larva). 

 3 Camponotus compreasus. 



1 Cydnus nigritus. 

 1-10-08. 1 Small Elaterid. 



Myllocerus 7 remains. 

 Probably also remains of flies. 



2 Small snails (Hydrobia sp.). 

 3-12-07. 3 Flies. 



21 Aphids. 



1 Small snail. 



12-12-07. Some insects' legs, weevils and ants, and the remains of broken beetle 

 elytra. 



3 Pieces of grass. 



Summary. Of 89 insects taken by 7 birds 45 are injurious, 

 and 44 neutral. None are beneficial. 4 birds took injurious 

 insects and 6 neutral, not including one in which only remains of 

 insects were found. 2 birds took oats from around stables, 2 

 contained species of grass and 2 small snails. 



Conclusion. This bird is apparently beneficial. 



831. Motacilla madraspatensis. Large Pied Wagtail. Catch- 

 ing flies and insects by water's edge. B. N. H. S. J., XIII, 382. 

 In captivity prefers insects except Hemiptera. Then in order grass- 

 hoppers, Mantidse, caterpillars, crickets, flies, butterflies and wasps. 

 It does not care for harder insects, therefore not liking beetles, and 

 will not touch cockroaches or bugs. Also sandhoppers, annelids 

 and Crustacea. B. N. H. S. J., XI., 535. Flies. Dewar, B. P., 26. 



833. Motacilla borealis. Grey-headed Wagtail. Insects dis- 

 turbed by cattle. Jerd. B. L, II, 224. 

 Stomachs examined 



9-1-08. 1 Small Elaterid. 



4 Elytra (Coleoptera).' 1 ^ 



8 Caterpillars ? mandibles. 

 7 Small caterpillars. 

 1 Haltica ? sp. ? 

 1 Spider. 



