4131 results after applying filter
In complete archive
[Crustacean]
Between 1929 and 1934
[Grasshopper]
1919
[Frogs, ants, plants]
Imantodes cenchoa
1920-09-13
[Velvet worm]
Margay Tigrina vigens head
1922-03-19
Ibycter americanus
1920-07-20
Eye of black-spotted frog
1920-08-11
Leptodactylus caliginosus tadpoles
1922-05-18
Four gem beetles
1922-07-14
Otter
1922-08-17
Head of marmoset
1922
Three-toed sloth, female
1922-08-15
Bothrops atrox atrox head
1924-05-09
Two-toed sloth head
1924-05-12
Amber harvestman from dead stump
Crypturus variegatus, tail display
Eyes of frogs
Between 1919 and 1924