i" \ REFERENCES TO PUBLICATIONS, ETC. 383 



19. Cf. Communication to Brit. Assoc, Newcastle, 1916 ; also annual Eeports 

 Midland Reafforesting Assoc, 1905-19. 



20. Cf. {toTthcomuig)BiocheniicalJourn. ; also ' Nature of the Peroxide naturally 

 associated with certain direct oxidising Systems in Plants,' in Biochemical Journ., 13, 

 p. 1 (1919). 



21. To be published in New Phytohgist, Jan. 1921. 



24. Cf. C. J. Chamberlain, The Living Cycads (Univ. of Chicago Press) ; Botanical 

 Gazelle, passim. 



Sfction L. 



4. Education, Sept. 24, 1920. 



5. Highway, Oct. and Nov., 1920 ; Educatiov, Oct. 1, 1920. 



6. Cf. R. 0. Bray, Boy Lahovr and Apprenticeship (Constable). 



7. Journ. of Education, Oct. 1920. 



11. Cf. ' General versus Group Factors in Mental Activities,' in Psychological 

 Reviev), 1920. 



14. Edvcation, Sept. 3, 1920 ; The Times Educational Sv.pp., Sept. 2, 1920. 



15. Journ. of Edvcaticn, Oct. 1920. 



16. To be published in Education. Cf. Athenceum, July 1917. 



17. Cf. An International System of Education (Manchester University Press). 



Sec'Tkw M. 



2. Journ. Ministry of Agriculture and lisheries, Nov. -Dec 1920. 



5. Cf. (for Mid- Wales). ' The Liver Rot of Sheep, and Bionomics of Limnsea 

 truncatula in the Aberystwyth Area,' and ' Some Results of a Survey of the Agricul- 

 tural Zoology of the Aberystwyth Area ' (both in) Parasitology, 10, 2 (1917 ) ; ' Farm 

 Insects Observed in the Aberystwyth Area, 1913-16,' and 'A Note on Agricultural 

 Decology in Mid-Wales,' in Annah of Applied Biology, 4, 1 and 2 (1917). 



7. Jonrn. of Pomology, 5, Nov. 1920; Gardeners'' Chronicle. Oct. 16, 1920; cf. 

 Journ. R.H.S., 42, p. 261 (1917), 44, p. 89 ^019), 45, pp. 267, 269 (1920) ; Bulletin, 

 by R. G. Hutton, ' Summary of the Results in selecting and propagating Paradise 

 Stocks.' 



9. Farm Life, Oct. 2, 1920. 

 10. Quarterly Journ. Forestry, ii,T?^. 253-251 (Oct. 1920). 



12. Cf. ' Solubility of Mineral Phosphates in Citric Acid,' pt. ii., Jovrn. Soc. 

 Chem. Industry 35 (1916) ; Notes on the Nature of the Phosphates contained in 

 Mineral Phosphates,' in Journ. Agric. Science, 8 ; ' Trials on Grass Land with Open- 

 hearth, Basic Slag and Rock Phosphates,' in Journ. Boo.rd of Agriculture, 24 (1918). 



13. Summary in Gardeners' Chronicle, Sept. 18, 1920, p. 139. Results expected 

 to be published in Journ. Boy. Horticultural Soc. 



