Formats: Still image / Subjects: Pigmentation - Digital Collections - National Library of Medicine Search Results

Start Over Formats Still image ✖ Subjects Pigmentation ✖

1. Oedicnemus crepitans, showing the instinctive attitude of concealment. Imitative forms and colors in insects, drawn from nature

Publication:: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
Subject(s):: Birds
Insects
Pigmentation
Adaptation, Biological

2. Two further cases of mimicry, flies resembling a wasp in the one and a bee in the other. A case of mimicry where a non-venomous snake resembles a venomous one

Publication:: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
Subject(s):: Insects
Snakes
Pigmentation
Adaptation, Biological

3. Birds, gradation of characters

Publication:: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
Subject(s):: Feathers -- anatomy & histology
Pigmentation
Galliformes

4. Birds, the young like the adult males

Publication:: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
Subject(s):: Anseriformes -- anatomy & histology
Sex Characteristics
Pigmentation