Production of Mimetic Resemblances among Butterjlies. 875 



found in one stomach : Dr. B. H, Warren, " Birds of 

 Pennsylvania," p. 251. — (5) In stomachs of this bird 

 were found " many of the Satyridae, Lycaenidae and 

 Tortricidae " : Gentry, I.e. i, p. 180. 



12. Hirimdo crythrogaster, Bodd. (American Swallow). 



Stomachs contained Lycaenidae : Gentry, /. c. i, p. 187. 



13. Progne subis, Baird (American Purple Martin). " Mr. 



Otto Widman,who has observed the feeding habits of 

 purple martins, found that the parent birds carried 

 to their nestlings dragonflies, butterflies and moths, 

 grasshoppers, beetles and flies " : S. D. Judd, " Yearb. 

 Dept. Agric. Washing.," 1897, p. 417. 



14. Tachycineta hicolor, Vieill. (American White-bellied 

 Swallow). Stomachs contained Pieris ra-pac and Colias 

 jj/iilodice: Gentry, I.e. i, p. 189. 



15. Cottle o'iijaria, L. (Sand Martin). Stomachs contained 



Lycaenidae : Gentry, I.e. i, p. 196. 



16. Stelgidopteryx serrijjennis, Aud. (Rough- winged Swal- 



low), Stomachs contained Colias philodice, the smaller 

 Argynnis and Lycaenidae : Gentry, /. c. i, p. 197. 

 .17. Vireo olivaceus, L. (Red-eyed Vireo). "Prof F. E. L. 

 Beal found in the stomachs of some nestling birds, 

 tree-hoppers,assassin bugs [Reduviidae], spiders, sphinx 

 caterpillars and butterflies " : S. D. Judd, " Yearb. 

 Dept. Agric. Washing.," 1897, p. 416. 

 18.. Vireo Jlavifrons, Vieill. (Yellow-thi'oated Vireo). Ob- 

 served to have eaten Thecla Mimuli, Harr. and Argynnis 

 hellona, F. : Gentry, I. c. i, p. 221. 



19. Vireo sulitarius, Wils. (Blue-headed Vireo). Eats " small 

 Lepidoptera, both diurnal and nocturnal " : Gentry, 

 /. c. i, p. 226. 



20. Vio^eo nmKioracensis, Gm. (White-eyed Vireo). Devours 

 Argynnis myrina and Thymele {Eudamus) tityrus, F. : 

 Gentry, I. e. i, p. 231. 



21. Lanias ludovicianus, L. (Loggerhead Shrike). " Its 



food consists chiefly of grasshoppers, crickets. Coleop- 

 terous and other insects, including butterflies and 

 moths, which it will pursue and capture on the wing " : 

 Dr. Bachman, quoted by Baird, Brewer and Ridgway, 

 "Birds of N. America," i, p. 419. 



22. Melospiza faseiata, Gm. (Song Sparrow), (a) Observed 



to feed on Thecla Jmonuli, Harr. : Gentry, I. c. i, p. 287. 

 — (b) Observed (with Chipping and Savannah spar- 

 rows) to catch and eat a few Vanessa milberii, Pieris 



