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Collecting
- Butterfly specimens showing Batesian mimicry
- Butterfly specimens showing sexual dimorphism
- Specimens of birdwing butterflies (Papilionidae)
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- Specimens of stick and leaf insects, and a stag-horned deer-fly and other insects
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- Collecting and sending insects to Bates
- Collecting insects in Wales
- Designing an insect cabinet
- Exchanging insect lists with Bates and keeping a journal
- Herbert Wallace collecting in Brazil
- Fish drawing from the Rio Negro - Curimata species
- Descriptions of fishes from the Upper Rio Negro - Curimata species
- Fish drawing from the Upper Rio Negro - Ageneiosus species
- Descriptions of fishes from the Rio Negro - Ageneiosus species
- Wallace is shipwrecked and loses his collections
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Descriptions of fishes from the Rio Negro - Ageneiosus species
Catalogue number: Z88oWAL(2)/p69
Manuscript notes on the fish Ageneiosus militaris from the Rio Negro in South America, dated April 1852.
This page is from Wallace's field notebook in which he recorded measurements and descriptions of the fish he caught and sketched. This entry describes the sketch of the fish Ageneiosus militaris. It provides key details, since Wallace's sketches were not drawn in colour, and perfectly complements the sketch to give a detailed picture of the specimen.
At 16 inches long (approximately 40cm), this fish was 'whitish olive' in colour, with white on the belly and 'olive indigo' on the back and head. Wallace notes a distinctive feature: 'a bone at the corner of the mouth with a row of small hooks'.
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Wallace Letters Online
View high resolution scans and transcripts of Alfred Russel Wallace's correspondence, including all surviving letters between him and Charles Darwin.