X-XII, 1875-1878), public à part, London, Macmillan

10. On the spinal nerves oî AmpJiioxus {Journ. of Anat. a. Phijs., X, I8TG).

11. On the development of the spinal nerves in Elasmobranch Fishes {Philosopliical

Transactions of the royal Society, CLXVI, 1876).

\i. On the phenomena accompanying the maturation and imprégnation of the ovum {Quart, journ. Micr. Se., XVIII, 1878).

13. On the structure and development of the vertébrale OMxry {Ibid., XVIII, 1878).

14. On the existence of a head-kidney in the embryo-Chick and on certains points in

the development of the MûUerian duct (en collaboration avec M. Adam Sedgwick)(/62d., XIX, 1879).