VI. On the evolution of the vertebral column in birds, illustrated by its development in Larus and Struthio
- 1 January 1928
- journal article
- Published by The Royal Society in Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character
- Vol. 216 (431-439), 285-351
- https://doi.org/10.1098/rstb.1928.0006