2 
Lawson, A. Anstruther. — Gametophyte Generation of the Psilotacese. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 93-113. 
Gametophyte Generation of the Psilotacese. 
A. Anstruther Lawson. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 93-113. 
Generation, Gametophyte, of the Psilotacese. 
A. Anstruther Lawson. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 93-113. 
Psilotacese, Gametophyte Generation of the. 
A. Anstruther Lawson. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 93-113. 
Ewart, J. Cossar, and Dorothy Mackenzie. — The Moulting of the King 
Penguin. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 115-132. 
Mackenzie, Dorothy. See Ewart, J. Cossar. 
The Moulting of the King Penguin. 
J. Cossar Ewart and Dorothy Mackenzie. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 115-132. 
Moulting of the King Penguin. 
J. Cossar Ewart and Dorothy Mackenzie. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 115-132. 
Penguin, Moulting of the King. 
J. Cossar Ewart and Dorothy Mackenzie. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 115-132. 
Thompson, J. M‘L. — The Anatomy and Affinity of Stromatopteris monili- 
formis , Melt. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 133-156. 
Stromatopteris moniliformis, Mett., Anatomy and Affinity of. 
J. M‘L. Thompson. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 133-156. 
Thompson, ,T. M‘L. — A Further Contribution to the Knowledge of Platyzoma 
microphyllum R. Br. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 157-165. 
Platyzoma microphyllum R Br. , Sporangial- and Spore-Differences in. 
J. M‘L. Thompson. 
Trans. Roy. Soc. Edin., vol. lii, 1917, pp. 157-165. 
