"On the Structure of the Skull and of the Heart of Menobranchus
Lateralis" "Proceedings of the Zoological Society" (1874) 186-204.
"Scientific Memoirs" 4.
"On the Hypothesis that Animals are Automata, and its History" "Nature" 10 (1874) 362-366. See also list of Essays.
"Preliminary Note upon the Brain and Skull of Amphioxus Lanceolatus" (1874) "Proceedings of the Royal Society" 23 (1875). "Scientific Memoirs" 4.
"On the Bearing of the Distribution of the Portio Dura upon the
Morphology of the Skull" (1874) "Proceedings of the Cambridge Phil.
Society" 2 (1876) 348-349. "Scientific Memoirs" 4.
"On the Classification of the Animal Kingdom" (1874) "Journal of the
Linnean Society" (Zoology) 12 (1876) 199-226. "Scientific Memoirs" 4.
"On the Recent Work of the 'Challenger' Expedition, and its Bearing on Geological Problems" "Proceedings of the Royal Institution" 7 (1875) 354-357. "Scientific Memoirs" 4.
"On Stagonolepis Robertsoni, and on the Evolution of the Crocodilia"
"Quarterly Journal of the Geological Society" 31 (1875) 423-438.
"Scientific Memoirs" 4.
"Contributions to Morphology. Ichthyopsida.—Number 1. On Ceradotus
Forsteri, with Observations on the Classification of Fishes"
"Proceedings of the Zoological Society" (1876) 24-59. "Scientific
Memoirs" 4.
"On the Position of the Anterior Nasal Apertures in Lepidosiren"
"Proceedings of the Zoological Society" (1876) 180-181. "Scientific
Memoirs" 4.
"On the Nature of the Cranio-Facial Apparatus of Petromyzon" "Journal of Anatomy and Physiology" 10 (1876) 412-429. "Scientific Memoirs" 4.