324 Mr. A. G. Butler on the Acceptance or 



Fig. 6. Entomis variostriata, Clarke, a, ri^lit valve, showing both sulcus 

 and striai to be modified, X 30 diam. ; b, striae and interstitial 

 ornament, X 75 diam. 



Fiy. 7. Entomis variostriata, Clarke. Right valve of a young individual, 

 X30. 



Fig. 8. Entomis variostriata, Clarke, a, right valve of a large specimen, 

 with a central pit rnpresentinpr the sulcus ; and the strife modified, 

 X 30 diam. ; b, ventral profile of the same, x 30 diam. 



Figs. 5-8 from Bicken, Westphalia. 



XXXVIII. — Notes made during the present Year on the 

 Acceptance or Rejection of Insects hy Birds. By AiiTHUK 

 G. Butler, F.L.S., F.Z.S., &c. 



As I consider that the question of the immunity from destruc- 

 tion of certain insects by birds is still far from being an 

 ascertained fact, I have again made notes this year on the effect 

 produced by offering various insects and their larvjB to the 

 occupants of my aviaries. These are as follows : — 



Indoor Aviaries. 



1. Cockatcels, Budgerigars, and Australian Zebra-Finches. 



2. Pekin Nightingales alone. 



3. Whydah-birds, Weavers, American Nonpareils, Saffron- 

 Finches, St.-Helena Seed-eaters, Green Singing-Finches, 

 Canary. 



4. Mannikins, Waxbills, and Blue Robins. 



Conservatory. 



5. Cage containing White-eared Persian Bulbul. 



Outdoor Aviaries. 



1. Chaffinches, Hen Bullfinch, Great Tit, Blackbird; all 

 in good-sized cages. 



2. Chaffinches, Greenfinches, Redwings ; all flying freely 

 about. 



3. Large cages containing Blackbird and Fieldfare. 



4. Bimtings, Bullfinches, Linnets, Goldfinch, Canaries, 

 Siskins, Indigo-Finch, and Australian Zebra-Finches ; all 

 Hying freely about. 



Altogether thirty-six species, most of them flying about in 



