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Titles
- Ancient types of man [by] Arthur Keith1
- Birds, display by the male1
- Birds, gradation of characters1
- Birds, law of battle1
- Birds, the young like the adult males1
- Birds, vocal music1
- Chimpanzee disappointed and sulky1
- Drosera rotundifolia1
- Evidences of the truth of evolution. Proofs from embryology1
- Evidences of the truth of evolution. Proofs from homologies1
- Expression of joy1
- Fear1
- Fishes1
- Human physiognomy1
- Ideal unity1
- Mammals, development of hair1
- Mammals, law of battle1
- Means of expression in animals1
- On the nature of limbs: a discourse delivered on Friday, February 9, at an evening meeting of the Royal Institution of Great Britain, by Richard Owen1
- Orthoptera1