Bibliography of butterflies

Suomalainen, Esko, and Keith Spalding Brown, Jr.

1984. Chromosome number variation within Philaethria butterflies (Lepidoptera: Nymphalidae, Heliconiini). Chromosoma 90(3): 170-176, 4 figs. (September) [general; South America]

Suomalainen, Esko, Laurence M. Cook and John Richard George Turner

1972. Chromosome numbers of heliconiine butterflies from Trinidad, West Indies (Lepidoptera, Nymphalidae). Zoologica (New York) 56(4): 121-124, 4 figs., 2 tabs. (7 August) [general; Neotropics]

1973. Achiasmatic oogenesis in the heliconiine butterflies. Hereditas 74(2): 302-304, 2 figs. (17 October) [general; genetics; Trinidad]