Production of Mimetic RcsemUances among Buttcrjiie.s. 375 



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

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

 were found " many of the Satyridae, Lycaenidac and 

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



12. Hirundo crytlirogaster, Bodd. (American Swallow). 



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



13. Frogne suhis, 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. 

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



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

 Swallow), Stomachs contained Fieris rccpac and Colias 

 'philodice: Gentry, I.e. i, p. 189. 



15. Cotilc riparia, L. (Sand Martin). Stomachs contained 



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

 IG. Btdgidoptcryx scrrijKJinis, Aud. (Rough-winged Swal- 

 low). Stomachs contained Colias 'philodice, iho, smaller 

 Argynnis and Lycaenidae: Gentry, I.e. i, p. 197. 



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

 Beal found in the stomachs of some nestling birds, 

 tree-hoppers,assassinbugs[Reduviidae], spiders, sphinx 

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

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



18. Vireo Jlavifrons, Vieill. (Yellow-throated Vireo). Ob- 

 served to have eaten Theela hi(,mtdi,'H.Sirr. and Argynnis 

 hcllona, F. : Gentry, I.e. i, p. 221. 



19. FiVeos6i/zY«ri?6S,Wiis. (Blue-headed Vireo). Eats "small 

 Lepidoptera, both diurnal and nocturnal " : Gentry, 

 /. c. i, p. 226. 



20. Vireo novchoracensis, Gm. (White-eyed Vireo). Devours 

 Argynnis myrina and Thymeh {Eudamus) tityrns, F. : 

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



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



food consists chiefly of grasshoppers, crickets, Coleop- 

 terous and other insects, including butterflies ana 

 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 fasciata, Gm. (Song Sparrow), (a) Observed 



to feed on Theela humuli, Harr. : Gentry, /. c. i, p. 287. 

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

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



