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Titles
- Central circulatory system1
- Chimpanzee disappointed and sulky1
- Coccus cacti: cochincal insect1
- Detectives wanted!1
- Diagram of the causes of mortality in the Army in the East1
- Dog approaching another dog with hostile intentions, by Mr. Riviere. The same in a humble and affectionate frame of mind, by Mr. Riviere1
- Domestic pigs: their variation1
- Dr. Asa Gray, 18671
- Draining of Hilter's nose1
- Drosera rotundifolia1
- Embryonic development1
- English barb1
- English carrier1
- English pouter1
- Ephraim Littlefield1
- Evidences of the truth of evolution. Proofs from embryology1
- Evidences of the truth of evolution. Proofs from homologies1
- Evolution of life by Henry C. Chapman1
- Expression of joy1
- Fear1