1. Imaginal behavior of a Trinidad butterfly, Heliconius erato hydara Hewitson, with special reference to the social use of color;Crane;Zoologica, N.Y.,1955
2. Speciation in Heliconius (Lep., Nymphalidae): morphology and geographic distribution;Emsley;Zoologica, N.Y.,1965
3. Colour discrimination by the butterfly Heliconius charitonius;Swihart;Anim. Behav.,1971
4. Colour selection and learned feeding preferences in the butterfly, Heliconius charitonius Linn.;Swihart;Anim. Behav.,1970
5. The electroretinogram of Heliconius erato (Lepidoptera) and its possible relation to established behavior patterns;Swihart;Zoologica, N.Y.,1963