"On the Study of Biology." (A Lecture in connection with the Loan Collection of Scientific Apparatus at South Kensington Museum, December 16, 1876.) "American Addresses"; "Collected Essays" 3.

"Elementary Instruction in Physiology." (Read at the Meeting of the
Domestic Economy Congress at Birmingham, 1877.) "Science and Culture";
"Collected Essays" 3.

"Technical Education." (An Address delivered to the Working Men's Club and Institute, December 1, 1877.) "Science and Culture"; "Collected Essays" 3.

"Evolution in Biology." (The "Encyclopaedia Britannica" ninth edition volume 8 1878.) "Science and Culture"; "Collected Essays" 2.

"Hume," 1878. "Collected Essays" 6. See also under "Books."

"On Sensation and the Unity of Structure of the Sensiferous Organs."
(An Evening Lecture at the Royal Institution, Friday, March 7, 1879.)
"Nineteenth Century" April 1879. "Science and Culture"; "Collected
Essays" 6.

"Prefatory Note to the Translation of E. Haeckel's Freedom in Science and Teaching," 1879. (Kegan Paul.)

"On Certain Errors respecting the Structure of the Heart attributed to
Aristotle." "Nature" November 6, 1879. "Science and Culture".

"The Coming of Age of 'The Origin of Species.'" (An Evening Lecture at the Royal Institution, Friday, April 9, 1880.) "Science and Culture"; "Collected Essays" 2.

"On the Method of Zadig." (A Lecture delivered at the Working Men's
College, Great Ormond Street, 1880. "Nineteenth Century" June 1880.)
"Science and Culture"; "Collected Essays" 4.